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move out archived parts (#308)

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- https://git.fediversity.eu/Fediversity/matrix-synapse-debian
- https://git.fediversity.eu/Fediversity/website-old

closes #303

Reviewed-on: Fediversity/Fediversity#308
Reviewed-by: Valentin Gagarin <valentin.gagarin@tweag.io>
Co-authored-by: Kiara Grouwstra <kiara@procolix.eu>
Co-committed-by: Kiara Grouwstra <kiara@procolix.eu>
This commit is contained in:
Kiara Grouwstra 2025-04-15 10:35:36 +02:00 • committed by Valentin Gagarin
parent 195889ef2c
commit 5f694ad76c
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.forgejo/workflows/ci.yaml
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@ -15,13 +15,6 @@ jobs:
- uses: actions/checkout@v4
- run: nix build .#checks.x86_64-linux.pre-commit -L
check-website:
runs-on: native
steps:
- uses: actions/checkout@v4
- run: cd website && nix-build -A tests
- run: cd website && nix-build -A build
check-peertube:
runs-on: native
steps:

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# Eerst: GEEN PDF/PS IN GIT!
*.pdf
*.ps
# ---> LyX
# Ignore LyX backup and autosave files
# http://www.lyx.org/
*.lyx~
*.lyx#
# ---> Vim
# Swap
[._]*.s[a-v][a-z]
!*.svg # comment out if you don't need vector files
[._]*.sw[a-p]
[._]s[a-rt-v][a-z]
[._]ss[a-gi-z]
[._]sw[a-p]
# Session
Session.vim
Sessionx.vim
# Temporary
.netrwhist
*~
# Auto-generated tag files
tags
# Persistent undo
[._]*.un~
# En geen vaults
/ansible/group_vars/matrix/vault.yaml

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---
gitea: none
include_toc: true
---
# A complete Matrix installation
This documentation describes how to build a complete Matrix environment with
all bells and whistles. Not just the Synapse server, but (almost) every bit
you want.
The main focus will be on the server itself, Synapse, but there's a lot more
than just that.
This documentation isn't ready yet, and if you find errors or room for improvement,
please let me know. You can do that via Matrix, obviously (`@hans:woefdram.nl`), via
e-mail (`docs@fediversity.eu`), or make a Pull Request.
## Overview
A complete Matrix environment consists of many parts. Other than the Matrix
server itself (Synapse) there are all kinds of other things that we need:
* [Synapse](https://element-hq.github.io/synapse/latest/)
* Webclient ([Element Web](https://github.com/element-hq/element-web))
* [Element Call](https://github.com/element-hq/element-call) for audio/video
conferencing
* Management with [Synapse-Admin](https://github.com/Awesome-Technologies/synapse-admin)
* Moderation with [Draupnir](https://github.com/the-draupnir-project/Draupnir)
* [Consent
tracking](https://element-hq.github.io/synapse/latest/consent_tracking.html)
* Authentication via
[OpenID](https://element-hq.github.io/synapse/latest/openid.html) (later)
* Several [bridges](https://matrix.org/ecosystem/bridges/) (later)
# Overview
This documentation aims to describe the installation of a complete Matrix
platform, with all bells and whistles. Several components are involved and
finishing the installation of one can be necessary for the installation of the
next.
Before you start, make sure you take a look at the [checklist](checklist.md).
These are the components we're going to use:
## Synapse
This is the core component: the Matrix server itself, you should probably
install this first.
Because not every usecase is the same, we'll describe two different
architectures:
** [Monolithic](synapse)
This is the default way of installing Synapse, this is suitable for scenarios
with not too many users, and, importantly, users do not join many very crowded
rooms.
** [Worker-based](synapse/workers)
For servers that get a bigger load, for example those that host users that use
many big rooms, we'll describe how to process that higher load by distributing
it over workers.
## PostgreSQL
This is the database Synapse uses. This should be the first thing you install
after Synapse, and once you're done, reconfigure the default Synapse install
to use PostgreSQL.
If you have already added stuff to the SQLite database that Synapse installs
by default that you don't want to lose: [here's how to migrate from SQLite to
PostgreSQL](https://element-hq.github.io/synapse/latest/postgres.html#porting-from-sqlite).
## nginx
We need a webserver for several things, see how to [configure nginx](nginx)
here.
If you install this, make sure to check which certificates you need, fix the
DNS entries and probably keep TTL for for those entries very low until after
the installation, when you know everything's working.
## Element Call
Element Call is the new way to have audio and video conferences, both
one-on-one and with groups. This does not use Jitsi and keeps E2EE intact. See
how to [setup and configure it](element-call).
# Element Web
This is the fully-fledged web client, which is very [easy to set
up](element-web).
# TURN
We may need a TURN server, and we'll use
[coturn](coturn) for that.
It's apparently also possible to use the built-in TURN server in Livekit,
which we'll use if we use [Element Call](element-call). It's either/or, so make
sure you pick the right approach.
You could possibly use both coturn and LiveKit, if you insist on being able to
use both legacy and Element Call functionality. This is not documented here
yet.
# Draupnir
With Draupnir you can do moderation. It requires a few changes to both Synapse
and nginx, here's how to [install and configure Draupnir](draupnir).

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# Checklist
Before you dive in and start installing, you should do a little planning
ahead. Ask yourself what you expect from your server.
Is it a small server, just for yourself and some friends and family, or for
your hundreds of colleagues at work? Is it for private use, or do you need
decent moderation tools? Do you need audio and videoconferencing or not?
# Requirements
It's difficult to specify hardware requirements upfront, because they don't
really depend on the number of users you have, but on their behaviour. A
server with users who don't engage in busy rooms like
[#matrix:matrix.org](https://matrix.to/#/#matrix:matrix.org) doesn't need more
than 2 CPU cores, 8GB of RAM and 50GB of diskspace.
A server with users who do join very busy rooms, can easily eat 4 cores and
16GB of RAM. Or more. Or even much more. If you have a public server, where
unknown people can register new accounts, you'll probably need a bit more
oompf (and [moderation](draupnir)).
During its life, the server may need more resources, if users change
their behaviour. Or less. There's no one-size-fits-all approach.
If you have no idea, you should probably start with 2 cores, 8GB RAM and some
50GB diskspace, and follow the [monolithic setup](synapse).
If you expect a higher load (you might get there sooner than you think), you
should probably follow the [worker-based setup](synapse/workers), because
changing the architecture from monolithic to worker-based once the server is
already in use, is a tricky task.
Here's a ballpark figure. Remember, your mileage will probably vary. And
remember, just adding RAM and CPU doesn't automatically scale: you'll need to
tune [PostgreSQL](postgresql/README.md#tuning) and your workers as well so
that your hardware is optimally used.
| Scenario | Architecture | CPU | RAM | Diskspace (GB) |
| :------------------------------------ | :-----------------------------: | :----: | :----: | :------------: |
| Personal, not many very busy rooms | [monolithic](synapse) | 2 | 8GB | 50 |
| Private, users join very busy rooms | [worker-based](synapse/workers) | 4 | 16GB | 100 |
| Public, many users in very busy rooms | [worker-based](synapse/workers) | 8 | 32GB | 250 |
# DNS and certificates
You'll need to configure several things in DNS, and you're going to need a
couple of TLS-certificates. Best to configure those DNS entries first, so that
you can quickly generate the certificates once you're there.
It's usually a good idea to keep the TTL of all these records very low while
installing and configuring, so that you can quickly change records without
having to wait for the TTL to expire. Setting a TTL of 300 (5 minutes) should
be fine. Once everything is in place and working, you should probably increase
it to a more production ready value, like 3600 (1 hour) or more.
What do you need? Well, first of all you need a domain. In this documentation
we'll use `example.com`, you'll need to substitute that with your own domain.
Under the top of that domain, you'll need to host 2 files under
`/.well-known`, so you'll need a webserver there, using a valid
TLS-certificate. This doesn't have to be the same machine as the one you're
installing Synapse on. In fact, it usually isn't.
Assuming you're hosting Matrix on the machine `matrix.example.com`, you need
at least an `A` record in DNS, and -if you have IPv6 support, which you
should- an `AAAA` record too. **YOU CAN NOT USE A CNAME FOR THIS RECORD!**
You'll need a valid TLS-certificate for `matrix.example.com` too.
You'll probably want the webclient too, so that users aren't forced to use an
app on their phone or install the desktop client on their PC. You should never
run the web client on the same name as the server, that opens you up for all
kinds of Cross-Site-Scripting attack. We'll assume you use
`element.example.com` for the web client. You need a DNS entry for that. This
can be a CNAME, but make sure you have a TLS-certificate with the correct name
on it.
If you install a [TURN-server](coturn), either for legacy calls or for [Element
Call](element-call) (or both), you need a DNS entry for that too, and -again- a
TLS-certificate. We'll use `turn.example.com` for this.
If you install Element Call (and why shouldn't you?), you need a DNS entry plus
certificate for that, let's assume you use `call.example.com` for that. This
can be a CNAME again. Element Call uses [LiveKit](element-call#livekit) for the
actual processing of audio and video, and that needs its own DNS entry and certificate
too. We'll use `livekit.example.com`.
| FQDN | Use | Comment |
| :-------------------- | :--------------------- | :--------------------------------------- |
| `example.com` | Hosting `.well-known` | This is the `server_name` |
| `matrix.example.com` | Synapse server | This is the `base_url`, can't be `CNAME` |
| `element.example.com` | Webclient | |
| `turn.example.com` | TURN / Element Call | Highly recommended |
| `call.example.com` | Element Call | Optional |
| `livekit.example.com` | LiveKit SFU | Optional, needed for Element Call |

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---
gitea: none
include_toc: true
---
# TURN server
You need a TURN server to connect participants that are behind a NAT firewall.
Because IPv6 doesn't really need TURN, and Chrome can get confused if it has
to use TURN over IPv6, we'll stick to a strict IPv4-only configuration.
Also, because VoIP traffic is only UDP, we won't do TCP.
TURN-functionality can be offered by coturn and LiveKit alike: coturn is used
for legacy calls (only one-on-one, supported in Element Android), whereas
Element Call (supported by ElementX, Desktop and Web) uses LiveKit.
In our documentation we'll enable both, which is probably not the optimal
solution, but at least it results in a system that supports old and new
clients.
Here we'll describe coturn, the dedicated ICE/STUN/TURN server that needs to
be configured in Synapse, [LiveKit](../element-call#livekit) has its own page.
# Installation
Installation is short:
```
apt install coturn
```
For sake of maintainability we'll move the only configuration file into its
own directoy:
```
mkdir /etc/coturn
mv /etc/turnserver.conf /etc/coturn
```
We need to tell systemd to start it with the configuration file on the new
place. Edit the service file with:
```
systemctl edit coturn
```
Contrary to what the comment suggests, only the parts you add will override
the content that's already there. We have to "clean" the `ExecStart` first,
before we assign a new line to it, so this is the bit we add:
```
[Service]
ExecStart=
ExecStart=/usr/bin/turnserver -c /etc/coturn/turnserver.conf --pidfile=/etc/coturn/run/turnserver.pid
```
Create the directory `/etc/coturn/run` and chgrp it to `turnserver`, so that
coturn can write its pid there: `/run/turnserver.pid` can't be written because
coturn doesn't run as root.
This prepares us for the next step: configuring the whole thing.
# DNS and certificate {#dnscert}
As stated before, we only use IPv4, so a CNAME to our machine that also does
IPv6 is a bad idea. Fix a new entry in DNS for TURN only, we'll use
`turn.example.com` here.
Make sure this entry only has an A record, no AAAA.
Get a certificate for this name:
```
certbot certonly --nginx -d turn.example.com
```
This assumes you've already setup and started nginx (see [nginx](../nginx)).
{#fixssl}
The certificate files reside under `/etc/letsencrypt/live`, but coturn and
LiveKit don't run as root, and can't read them. Therefore we create the directory
`/etc/coturn/ssl` where we copy the files to. This script should be run after
each certificate renewal:
```
#!/bin/bash
# This script is hooked after a renewal of the certificate, so that the
# certificate files are copied and chowned, and made readable by coturn:
cd /etc/coturn/ssl
cp /etc/letsencrypt/live/turn.example.com/{fullchain,privkey}.pem .
chown turnserver:turnserver *.pem
# Make sure you only start/restart the servers that you need!
systemctl try-reload-or-restart coturn livekit-server
```
Run this automatically after every renewal by adding this line to
`/etc/letsencrypt/renewal/turn.example.com.conf`:
```
renew_hook = /etc/coturn/fixssl
```
Yes, it's a bit primitive and could (should?) be polished. But for now: it
works. This will copy and chown the certificate files and restart coturn
and/or LiveKit, depending on if they're running or not.
# Configuration {#configuration}
Synapse's documentation gives a reasonable [default
config](https://element-hq.github.io/synapse/latest/setup/turn/coturn.html).
We'll need a shared secret that Synapse can use to control coturn, so let's
create that first:
```
pwgen -s 64 1
```
Now that we have this, we can configure our configuration file under
`/etc/coturn/turnserver.conf`.
```
# We don't use the default ports, because LiveKit uses those
listening-port=3480
tls-listening-port=5351
# We don't need more than 10000 connections:
min-port=40000
max-port=49999
use-auth-secret
static-auth-secret=<previously created secret>
realm=turn.example.com
user-quota=12
total-quota=1200
# Of course: substitute correct IPv4 address:
listening-ip=111.222.111.222
# VoIP traffic is only UDP
no-tcp-relay
# coturn doesn't run as root, so the certificate has
# to be copied/chowned here.
cert=/etc/coturn/ssl/fullchain.pem
pkey=/etc/coturn/ssl/privkey.pem
denied-peer-ip=0.0.0.0-255.255.255.255
denied-peer-ip=127.0.0.0-0.255.255.255
denied-peer-ip=10.0.0.0-10.255.255.255
denied-peer-ip=172.16.0.0-172.31.255.255
denied-peer-ip=192.168.0.0-192.168.255.255
denied-peer-ip=100.64.0.0-100.127.255.255
denied-peer-ip=192.0.0.0-192.0.0.255
denied-peer-ip=169.254.0.0-169.254.255.255
denied-peer-ip=192.88.99.0-192.88.99.255
denied-peer-ip=198.18.0.0-198.19.255.255
denied-peer-ip=192.0.2.0-192.0.2.255
denied-peer-ip=198.51.100.0-198.51.100.255
denied-peer-ip=203.0.113.0-203.0.113.255
# We do only IPv4
allocation-default-address-family="ipv4"
# No weak TLS
no-tlsv1
no-tlsv1_1
```
All other options in the configuration file are either commented out, or
defaults.
Make sure you've opened the correct ports in the [firewall](../firewall).

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# Coturn TURN SERVER configuration file
# Only IPv4, IPv6 can confuse some software
listening-ip=111.222.111.222
# Listening port for TURN (UDP and TCP):
listening-port=3480
# Listening port for TURN TLS (UDP and TCP):
tls-listening-port=5351
# Lower and upper bounds of the UDP relay endpoints:
# (default values are 49152 and 65535)
#
min-port=40000
max-port=49999
use-auth-secret
static-auth-secret=<very secure password>
realm=turn.example.com
# Per-user allocation quota.
# default value is 0 (no quota, unlimited number of sessions per user).
# This option can also be set through the database, for a particular realm.
user-quota=12
# Total allocation quota.
# default value is 0 (no quota).
# This option can also be set through the database, for a particular realm.
total-quota=1200
# Uncomment if no TCP relay endpoints are allowed.
# By default TCP relay endpoints are enabled (like in RFC 6062).
#
no-tcp-relay
# Certificate file.
# Use an absolute path or path relative to the
# configuration file.
# Use PEM file format.
cert=/etc/coturn/ssl/fullchain.pem
# Private key file.
# Use an absolute path or path relative to the
# configuration file.
# Use PEM file format.
pkey=/etc/coturn/ssl/privkey.pem
# Option to redirect all log output into system log (syslog).
#
syslog
# Option to allow or ban specific ip addresses or ranges of ip addresses.
# If an ip address is specified as both allowed and denied, then the ip address is
# considered to be allowed. This is useful when you wish to ban a range of ip
# addresses, except for a few specific ips within that range.
#
# This can be used when you do not want users of the turn server to be able to access
# machines reachable by the turn server, but would otherwise be unreachable from the
# internet (e.g. when the turn server is sitting behind a NAT)
#
denied-peer-ip=0.0.0.0-255.255.255.255
denied-peer-ip=127.0.0.0-0.255.255.255
denied-peer-ip=10.0.0.0-10.255.255.255
denied-peer-ip=172.16.0.0-172.31.255.255
denied-peer-ip=192.168.0.0-192.168.255.255
denied-peer-ip=100.64.0.0-100.127.255.255
denied-peer-ip=192.0.0.0-192.0.0.255
denied-peer-ip=169.254.0.0-169.254.255.255
denied-peer-ip=192.88.99.0-192.88.99.255
denied-peer-ip=198.18.0.0-198.19.255.255
denied-peer-ip=192.0.2.0-192.0.2.255
denied-peer-ip=198.51.100.0-198.51.100.255
denied-peer-ip=203.0.113.0-203.0.113.255
# TURN server allocates address family according TURN client requested address family.
# If address family not requested explicitly by the client, then it falls back to this default.
# The standard RFC explicitly define that this default must be IPv4,
# so use other option values with care!
# Possible values: "ipv4" or "ipv6" or "keep"
# "keep" sets the allocation default address family according to
# the TURN client allocation request connection address family.
allocation-default-address-family="ipv4"
# Turn OFF the CLI support.
# By default it is always ON.
# See also options cli-ip and cli-port.
#
no-cli
# Do not allow an TLS/DTLS version of protocol
#
no-tlsv1
no-tlsv1_1
# Disable RFC5780 (NAT behavior discovery).
#
# Strongly encouraged to use this option to decrease gain factor in STUN
# binding responses.
#
no-rfc5780
# Disable handling old STUN Binding requests and disable MAPPED-ADDRESS
# attribute in binding response (use only the XOR-MAPPED-ADDRESS).
#
# Strongly encouraged to use this option to decrease gain factor in STUN
# binding responses.
#
no-stun-backward-compatibility
# Only send RESPONSE-ORIGIN attribute in binding response if RFC5780 is enabled.
#
# Strongly encouraged to use this option to decrease gain factor in STUN
# binding responses.
#
response-origin-only-with-rfc5780

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---
gitea: none
include_toc: true
---
# Draupnir
Draupnir is the way to do moderation. It can exchange banlists with other
servers, and drop reports that people send into its moderation room so that
moderators can act upon them.
Start by creating a room where moderators can give Draupnir commands. This
room should not be encrypted. Then create a user for Draupnir, this user
should ideally be an admin user.
Once you've created the user, log in as this user, maybe set an avatar, join
the room you've created and then copy the access token. This token is used by
the Draupnir software to login.
After that, close the window or client, but
do not logout. If you logout, the token will be invalidated.
Make sure you have the right npm, Node.js, yarn and what-have-you ([see
Draupnir's documentation](https://the-draupnir-project.github.io/draupnir-documentation/bot/setup_debian))
and prepare the software:
```
mkdir /opt
cd /opt
git clone https://github.com/the-draupnir-project/Draupnir.git
cd Draupnir
git fetch --tags
mkdir datastorage
yarn global add corepack
useradd -m draupnir
chown -R draupnir:draupnir
```
Now, "compile" the stuff as user draupnir:
```
sudo -u draupnir bash -c "install yarn"
sudo -u draupnir bash -c "yarn build"
```
When this is completed successfully, it's time to configure Draupnir.
# Configuration
Under `config` you'll find the default configuration file, `default.yaml`.
Copy it to `production.yaml` and change what you must.
| Option | Value | Meaning |
| :---- | :---- | :---- |
| `homeserverUrl` | `http://localhost:8008` | Where to communicate with Synapse when using network port|
| `homeserverUrl` | `http://unix:/run/matrix-synapse/incoming_main.sock` | Where to communicate with Synapse when using UNIX sockets (see [Workers](../synapse/workers.md)) |
| `rawHomeserverUrl` | `https://matrix.example.com` | Same as `server_name` |
| `accessToken` | access token | Copy from login session or create in [Synapse Admin](../synapse-admin)) |
| `password` | password | Password for the account |
| `dataPath` | `/opt/Draupnir/datastorage` | Storage |
| `managementRoom` | room ID | Room where moderators command Draupnir |
This should give a working bot.
There are a few other bits that you probably want to change. Draupnir can
direct reports to the management room, this is what you should change to
activate that:
```
web:
enabled: true
port: 8082
address: ::1
abuseReporting:
enabled: true
pollReports: true
displayReports: true
```
For this to work (for reports to reach Draupnir) you'll need to configure
nginx to forward requests for reports to Draupnir:
```
location ~ ^/_matrix/client/(r0|v3)/rooms/([^/]*)/report/(.*)$ {
# The r0 endpoint is deprecated but still used by many clients.
# As of this writing, the v3 endpoint is the up-to-date version.
# Alias the regexps, to ensure that they're not rewritten.
set $room_id $2;
set $event_id $3;
proxy_pass http://[::1]:8082/api/1/report/$room_id/$event_id;
}
# Reports that need to reach Synapse (not sure if this is used)
location /_synapse/admin/v1/event_reports {
proxy_pass http://localhost:8008;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
location ~ ^/_synapse/admin/v1/rooms/([^/]*)/context/(.*)$ {
set $room_id $2;
set $event_id $3;
proxy_pass http://localhost:8008/_synapse/admin/v1/rooms/$room_id/context/$event_id;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
```
# Rate limiting
Normal users are rate limited, to prevent them from flooding the server. Draupnir
is meant to stop those events, but if it it itself rate limited, it won't work
all that well.
How rate limiting is configured server-wide is documented in [Synapse's
documentation](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html?highlight=ratelimiting#ratelimiting).
Overriding is, unfortunately, not something you can easily configure in the
configuration files. You'll have to do that in the database itself:
```
INSERT INTO ratelimit_override VALUES ('@draupnir:example.com', 0, 0);
```

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---
gitea: none
include_toc: true
---
# Overview
Element Call consists of a few parts, you don't have to host all of them
yourself. In this document, we're going to host everything ourselves, so
here's what you need.
* **lk-jwt**. This authenticates Synapse users to LiveKit.
* **LiveKit**. This is the "SFU", which actually handles the audio and video, and does TURN.
* **Element Call widget**. This is basically the webapplication, the user interface.
As mentioned in the [checklist](../checklist.md) you need to define these
three entries in DNS and get certificates for them:
* `turn.example.com`
* `livekit.example.com`
* `call.example.com`
You may already have DNS and TLS for `turn.example.com`, as it is also used
for [coturn](../coturn).
For more inspiraten, check https://sspaeth.de/2024/11/sfu/
# LiveKit {#livekit}
The actual SFU, Selective Forwarding Unit, is LiveKit; this is the part that
handles the audio and video feeds and also does TURN (this TURN-functionality
does not support the legacy calls, you'll need [coturn](coturn) for that).
Downloading and installing is easy: download the [binary from
Github](https://github.com/livekit/livekit/releases/download/v1.8.0/livekit_1.8.0_linux_amd64.tar.gz)
to /usr/local/bin, chown it to root:root and you're done.
The quickest way to do precisely that, is to run the script:
```
curl -sSL https://get.livekit.io | bash
```
You can do this as a normal user, it will use sudo to do its job.
While you're at it, you might consider installing the cli tool as well, you
can use it -for example- to generate tokens so you can [test LiveKit's
connectivity](https://livekit.io/connection-test):
```
curl -sSL https://get.livekit.io/cli | bash
```
Configuring LiveKit is [documented
here](https://docs.livekit.io/home/self-hosting/deployment/). We're going to
run LiveKit under authorization of user `turnserver`, the same users we use
for [coturn](coturn). This user is created when installing coturn, so if you
haven't installed that, you should create the user yourself:
```
adduser --system turnserver
```
## Configure {#keysecret}
Start by creating a key and secret:
```
livekit-server generate-keys
```
This key and secret have to be fed to lk-jwt-service too, [see here](#jwtconfig).
Create the directory for LiveKit's configuration:
```
mkdir /etc/livekit
chown root:turnserver /etc/livekit
chmod 750 /etc/livekit
```
Create a configuration file for livekit, `/etc/livekit/livekit.yaml`:
```
port: 7880
bind_addresses:
- ::1
rtc:
tcp_port: 7881
port_range_start: 50000
port_range_end: 60000
use_external_ip: true
enable_loopback_candidate: false
turn:
enabled: true
domain: livekit.example.com
cert_file: /etc/coturn/ssl/fullchain.pem
key_file: /etc/coturn/ssl/privkey.pem
tls_port: 5349
udp_port: 3478
external_tls: true
keys:
# KEY: SECRET were generated by "livekit-server generate-keys"
<KEY>: <SECRET>
```
Being a bit paranoid: make sure LiveKit can only read this file, not write it:
```
chown root:turnserver /etc/livekit/livekit.yaml
chmod 640 /etc/livekit/livekit.yaml
```
Port `7880` is forwarded by nginx: authentication is also done there, and that
bit has to be forwarded to `lk-jwt-service` on port `8080`. Therefore, we
listen only on localhost.
The TURN ports are the normal, default ones. If you also use coturn, make sure
it doesn't use the same ports as LiveKit. Also, make sure you open the correct
ports in the [firewall](../firewall).
## TLS certificate
The TLS-certificate files are not in the usual place under
`/etc/letsencrypt/live`, see [DNS and
certificate](../coturn/README.md#dnscert) under coturn why that is.
As stated before, we use the same user as for coturn. Because this user does
not have the permission to read private keys under `/etc/letsencrypt`, we copy
those files to a place where it can read them. For coturn we copy them to
`/etc/coturn/ssl`, and if you use coturn and have this directory, LiveKit can
read them there too.
If you don't have coturn installed, you should create a directory under
`/etc/livekit` and copy the files to there. Modify the `livekit.yaml` file and
the [script to copy the files](../coturn/README.md#fixssl) to use that
directory. Don't forget to update the `renew_hook` in Letsencrypt if you do.
The LiveKit API listens on localhost, IPv6, port 7880. Traffic to this port is
forwarded from port 443 by nginx, which handles TLS, so it shouldn't be reachable
from the outside world.
See [LiveKit's config documentation](https://github.com/livekit/livekit/blob/master/config-sample.yaml)
for more options.
## Systemd
Now define a systemd servicefile, like this:
```
[Unit]
Description=LiveKit Server
After=network.target
Documentation=https://docs.livekit.io
[Service]
User=turnserver
Group=turnserver
LimitNOFILE=500000
Restart=on-failure
WorkingDirectory=/etc/livekit
ExecStart=/usr/local/bin/livekit-server --config /etc/livekit/livekit.yaml
[Install]
WantedBy=multi-user.target
```
Enable and start it.
Clients don't know about LiveKit yet, you'll have to give them the information
via the `.well-known/matrix/client`: add this bit to it to point them at the
SFU:
```
"org.matrix.msc4143.rtc_foci": [
{
"type": "livekit",
"livekit_service_url": "https://livekit.example.com"
}
]
```
Make sure it is served as `application/json`, just like the other .well-known
files.
# lk-jwt-service {#lkjwt}
lk-jwt-service is a small Go program that handles authorization tokens for use with LiveKit.
You'll need a Go compiler, but the one Debian provides is too old (at the time
of writing this, at least), so we'll install the latest one manually. Check
[the Go website](https://go.dev/dl/) to see which version is the latest, at
the time of writing it's 1.23.3, so we'll install that:
```
wget https://go.dev/dl/go1.23.3.linux-amd64.tar.gz
tar xvfz go1.23.3.linux-amd64.tar.gz
cd go/bin
export PATH=`pwd`:$PATH
cd
```
This means you now have the latest Go compiler in your path, but it's not
installed system-wide. If you want that, copy the whole `go` directory to
`/usr/local` and add `/usr/local/go/bin` to everybody's $PATH.
Get the latest lk-jwt-service source code and comile it (preferably *NOT* as root):
```
git clone https://github.com/element-hq/lk-jwt-service.git
cd lk-jwt-service
go build -o lk-jwt-service
```
Now, compile:
```
cd lk-jwt-service
go build -o lk-jwt-service
```
Copy and chown the binary to `/usr/local/sbin` (yes: as root):
```
cp ~user/lk-jwt-service/lk-jwt-service /usr/local/sbin
chown root:root /usr/local/sbin/lk-jwt-service
```
## Systemd
Create a service file for systemd, something like this:
```
# This thing does authorization for Element Call
[Unit]
Description=LiveKit JWT Service
After=network.target
[Service]
Restart=always
User=www-data
Group=www-data
WorkingDirectory=/etc/lk-jwt-service
EnvironmentFile=/etc/lk-jwt-service/config
ExecStart=/usr/local/sbin/lk-jwt-service
[Install]
WantedBy=multi-user.target
```
## Configuration {#jwtconfig}
We read the options from `/etc/lk-jwt-service/config`,
which we make read-only for group `www-data` and non-accessible by anyone
else.
```
mkdir /etc/lk-jwt-service
vi /etc/lk-jwt-service/config
chgrp -R root:www-data /etc/lk-jwt-service
chmod 750 /etc/lk-jwt-service
```
This is what you should put into that config file,
`/etc/lk-jwt-service/config`. The `LIVEKIT_SECRET` and `LIVEKIT_KEY` are the
ones you created while [configuring LiveKit](#keysecret).
```
LIVEKIT_URL=wss://livekit.example.com
LIVEKIT_SECRET=xxx
LIVEKIT_KEY=xxx
LK_JWT_PORT=8080
```
Change the permission accordingly:
```
chown root:www-data /etc/lk-jwt-service/config
chmod 640 /etc/lk-jwt-service/config
```
Now enable and start this thing:
```
systemctl enable --now lk-jwt-service
```
# Element Call widget {#widget}
This is a Node.js thingy, so start by installing yarn. Unfortunately both npm
and `yarnpkg` in Debian are antique, so we need to update them after installation.
Install Node.js and upgrade everything. Do not do this as root, we'll only
need to "compile" Element Call once.
See [the Node.js
website](https://nodejs.org/en/download/package-manager/current) for
instructions.
```
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.0/install.sh | bash
```
Exit and login again to set some environment variables (yes, the installation
changes .bashrc). Then install and upgrade:
```
nvm install 23
sudo apt install yarnpkg
/usr/share/nodejs/yarn/bin/yarn set version stable
/usr/share/nodejs/yarn/bin/yarn install
```
Yes, this whole Node.js, yarn and npm thing is a mess. Better documentation
could be written, but for now this will have to do.
Now clone the Element Call repository and "compile" stuff (again: not as
root):
```
git clone https://github.com/element-hq/element-call.git
cd element-call
/usr/share/nodejs/yarn/bin/yarn
/usr/share/nodejs/yarn/bin/yarn build
```
If it successfully compiles (warnings are more or less ok, errors aren't), you will
find the whole shebang under "dist". Copy that to `/var/www/element-call` and point
nginx to it ([see nginx](../nginx#callwidget)).
## Configuring
It needs a tiny bit of configuring. The default configuration under `config/config.sample.json`
is a good place to start, copy it to `/etc/element-call` and change where
necessary:
```
{
"default_server_config": {
"m.homeserver": {
"base_url": "https://matrix.example.com",
"server_name": "example.com"
}
},
"livekit": {
"livekit_service_url": "https://livekit.example.com"
},
"features": {
"feature_use_device_session_member_events": true
},
"eula": "https://www.example.com/online-EULA.pdf"
}
```
Now tell the clients about this widget. Create
`.well-known/element/element.json`, which is opened by Element Web, Element Desktop
and ElementX to find the Element Call widget. It should look this:
```
{
"call": {
"widget_url": "https://call.example.com"
}
}
```

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{
"call":
{
"widget_url": "https://call.example.com"
}
}

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---
gitea: none
include_toc: true
---
# Element-web
Element-web is the webinterface, Element in a browser. You'll find the source
and [documentation on installing and
configuring](https://github.com/element-hq/element-web/blob/develop/docs/install.md)
on Github.
You should never run Element-web on the same FQDN as your Synapse-server,
because of XSS problems. So start by defining a new FQDN for where you will
publish Element-web, and get a certificate for that (don't forget to
[automatically reload nginx after the certificate renewal](../nginx/README.md#certrenew)).
We'll use `element.example.com` here.
# Installing on Debian {#debian}
Installing it on Debian is very easy indeed:
```
wget -O /usr/share/keyrings/element-io-archive-keyring.gpg https://packages.element.io/debian/element-io-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/element-io-archive-keyring.gpg] https://packages.element.io/debian/ default main" |
tee /etc/apt/sources.list.d/element-io.list
apt update
apt install element-web
```
# Configuration {#configuration}
Configuring is done in `config.json`, which needs to go into `/etc/element-web`
in a Debian install. See the [documentation on
Github](https://github.com/element-hq/element-web/blob/develop/docs/config.md).
The most important thing to change is the `default_server_config`. Make sure
it's something like this:
```
"default_server_config": {
"m.homeserver": {
"base_url": "https://matrix.example.com",
"server_name": "example.com"
}
},
```
Of course, substitute the correct domain and server name.
# Browser notes {#browsernotes}
Element-web runs in the browser, on JavaScript. Yours truly found out that
running [JShelter](https://jshelter.org/) throws a spanner in the works, so
you'll have to disable it for the URL you publish Element-web.
Also, Element-web is rather dependent on the version of your browser, so make
sure you keep yours up-to-date. Debian users, who run "Firefox ESR" should
know support for that is on a best effort basis, you might want to consider
using the "real" Firefox. [Debian packages are
available](https://support.mozilla.org/en-US/kb/install-firefox-linux#w_install-firefox-deb-package-for-debian-based-distributions-recommended).
Element Web uses "workers", that are not installed in private windows. One
thing that won't work in a private window, is downloading (i.e. displaying)
images. If you don't see avatars and get "failed to download" messages, check
if you're running Element Web in a private window.

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# Firewall
Several ports need to be opened in the firewall, this is a list of all ports
that are needed by the components we describe in this document.
Those for nginx are necessary for Synapse to work, the ones for coturn and
LiveKit only need to be opened if you run those servers.
| Port(s) / range | IP version | Protocol | Application |
| :-------------: | :--------: | :------: | :--------------------- |
| 80, 443 | IPv4/IPv6 | TCP | nginx, reverse proxy |
| 8443 | IPv4/IPv6 | TCP | nginx, federation |
| 3478 | IPv4 | UDP | LiveKit TURN |
| 5349 | IPv4 | TCP | LiveKit TURN TLS |
| 7881 | IPv4/IPv6 | TCP | LiveKit RTC |
| 50000-60000 | IPv4/IPv6 | TCP/UDP | LiveKit RTC |
| 3480 | IPv4 | TCP/UDP | coturn TURN |
| 5351 | IPv4 | TCP/UDP | coturn TURN TLS |
| 40000-49999 | IPv4 | TCP/UDP | coturn RTC |
The ports necessary for TURN depend very much on the specific configuration of
[coturn](../coturn#configuration) and/or [LiveKit](../element-call#livekit).

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---
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include_toc: true
---
# Reverse proxy with nginx
Clients connecting from the Internet to our Matrix environment will usually
use SSL/TLS to encrypt whatever they want to send. This is one thing that
nginx does better than Synapse.
Furthermore, granting or denying access to specific endpoints is much easier
in nginx.
Synapse listens only on localhost, so nginx has to pass connections on from
the wild west that is the Internet to our server listening on the inside.
# Installing
Installing nginx and the [Let's Encrypt](https://letsencrypt.org/) plugin is
easy:
```
apt install nginx python3-certbot-nginx
```
Get your certificate for the base domain (which is probably not the machine on which
we're going to run Synapse):
```
certbot certonly --nginx --agree-tos -m system@example.com --non-interactive -d example.com
```
Get one for the machine on which we are going to run Synapse too:
```
certbot certonly --nginx --agree-tos -m system@example.com --non-interactive -d matrix.example.com
```
Substitute the correct e-mailaddress and FQDN, or course.
## Automatic renewal {#certrenew}
Certificates have a limited lifetime, and need to be updated every once in a
while. This should be done automatically by Certbot, see if `systemctl
list-timers` lists `certbot.timer`.
However, renewing the certificate means you'll have to restart the software
that's using it. We have 2 or 3 pieces of software that use certificates:
[coturn](../coturn) and/or [LiveKit](../element-call#livekit), and [nginx](../nginx).
Coturn/LiveKit are special with regards to the certificate, see their
respective pages. For nginx it's pretty easy: tell Letsencrypt to restart it
after a renewal.
You do this by adding this line to the `[renewalparams]` in
`/etc/letsencrypt/renewal/<certificate name>.conf`:
```
renew_hook = systemctl try-reload-or-restart nginx
```
# Configuration of domain name {#configdomain}
Let's start with the configuration on the webserver that runs on the domain
name itself, in this case `example.com`.
Almost all traffic should be encrypted, so a redirect from http to https seems
like a good idea.
However, `.well-known/matrix/client` has to be available via http and https,
so that should *NOT* be redirected to https. Some clients don't understand the
redirect and will therefore not find the server if you redirect everything.
Under the `server_name` (the "domain name", the part after the username) you
will need a configuration like this:
```
server {
listen 80;
listen [::]:80;
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name example.com;
location /.well-known/matrix/client {
return 200 '{
"m.homeserver": {"base_url": "https://matrix.example.com"},
}';
default_type application/json;
}
location /.well-known/matrix/server {
return 200 '{"m.server": "matrix.example.com"}';
default_type application/json;
}
location / {
if ($scheme = http) {
return 301 https://$host$request_uri;
}
}
access_log /var/log/nginx/example_com-access.log;
error_log /var/log/nginx/example_com-error.log;
}
```
This defines a server that listens on both http and https. It hands out two
.well-known entries over both http and https, and every other request over
http is forwarded to https.
Be sure to substitute the correct values for `server_name`, `base_url` and the
certificate files (and [renew the certificate](#renewcert)).
See this [full configuration example](domain.conf) with some extra stuff.
# Configuration of the reverse proxy
For the actual proxy in front of Synapse, this is what you need: forward ports
443 and 8448 to Synapse, listening on localhost, and add a few headers so
Synapse know's who's on the other side of the line.
```
server {
listen 443 ssl;
listen [::]:443 ssl;
# For the federation port
listen 8448 ssl default_server;
listen [::]:8448 ssl default_server;
ssl_certificate /etc/letsencrypt/live/matrix.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/matrix.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name matrix.example.com;
location ~ ^(/_matrix|/_synapse/client) {
proxy_pass http://localhost:8008;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
}
```
Again, substitute the correct values. Don't forget to open the relevant ports
in the firewall. Ports 80 and 443 may already be open, 8448 is probably not.
This is a very, very basic configuration; just enough to give us a working
service. See this [complete example](revproxy.conf) which also includes
[Draupnir](../draupnir) and a protected admin endpoint.
# Element Web
You can host the webclient on a different machine, but we'll run it on the
same one in this documentation. You do need a different FQDN however, you
can't host it under the same name as Synapse, such as:
```
https://matrix.example.com/element-web
```
So you'll need to create an entry in DNS and get a TLS-certificate for it (as
mentioned in the [checklist](../checklist.md)).
Other than that, configuration is quite simple. We'll listen on both http and
https, and redirect http to https:
```
server {
listen 80;
listen [::]:80;
listen 443 ssl http2;
listen [::]:443 ssl http2;
ssl_certificate /etc/letsencrypt/live/element.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/element.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name element.example.com;
location / {
if ($scheme = http) {
return 301 https://$host$request_uri;
}
add_header X-Frame-Options SAMEORIGIN;
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";
add_header Content-Security-Policy "frame-ancestors 'self'";
}
root /usr/share/element-web;
index index.html;
access_log /var/log/nginx/elementweb-access.log;
error_log /var/log/nginx/elementweb-error.log;
}
```
This assumes Element Web is installed under `/usr/share/element-web`, as done
by the Debian package provided by Element.io.
# Synapse-admin {#synapse-admin}
If you also [install Synapse-Admin](../synapse-admin), you'll want to create
another vhost, something like this:
```
server {
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/admin.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/admin.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name admin.example.com;
root /var/www/synapse-admin;
access_log /var/log/nginx/admin-access.log;
error_log /var/log/nginx/admin-error.log;
}
```
You'll need an SSL certificate for this, of course. But you'll also need to
give it access to the `/_synapse/admin` endpoint in Synapse.
You don't want this endpoint to be available for just anybody on the Internet,
so restrict access to the IP-addresses from which you expect to use
Synapse-Admin.
In `/etc/nginx/sites-available/synapse` you want to add this bit:
```
location ~ ^/_synapse/admin {
allow 127.0.0.1;
allow ::1;
allow 111.222.111.222;
allow dead:beef::/64;
deny all;
proxy_pass http://localhost:8008;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
```
This means access to `/_synapse/admin` is only allowed for the addresses
mentioned, but will be forwarded to Synapse in exactly the same way as
"normal" requests.
# LiveKit {#livekit}
If you run an SFU for Element Call, you need a virtual host for LiveKit. Make
sure you install, configure and run [Element Call LiveKit](../element-call#livekit).
Then create a virtual host much like this:
```
server {
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/livekit.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/livekit.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name livekit.example.com;
# This is lk-jwt-service
location ~ ^(/sfu/get|/healthz) {
proxy_pass http://[::1]:8080;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
location / {
proxy_pass http://[::1]:7880;
proxy_set_header Connection "upgrade";
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
access_log /var/log/nginx/livekit-access.log;
error_log /var/log/nginx/livekit-error.log;
}
```
# Element Call widget {#callwidget}
If you self-host the [Element Call widget](../element-call#widget), this
should be the configuration to publish that:
```
server {
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/call.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/call.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name call.example.com;
root /var/www/element-call;
location /assets {
add_header Cache-Control "public, immutable, max-age=31536000";
}
location /apple-app-site-association {
default_type application/json;
}
location /^config.json$ {
alias public/config.json;
default_type application/json;
}
location / {
try_files $uri /$uri /index.html;
add_header Cache-Control "public, max-age=30, stale-while-revalidate=30";
}
access_log /var/log/nginx/call-access.log;
error_log /var/log/nginx/call-error.log;
}
```
# Firewall
For normal use, at least ports 80 and 443 must be openend, see [Firewall](../firewall).

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server {
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/call.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/call.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name call.example.com;
root /var/www/element-call;
location /assets {
add_header Cache-Control "public, immutable, max-age=31536000";
}
location /apple-app-site-association {
default_type application/json;
}
location /^config.json$ {
alias public/config.json;
default_type application/json;
}
location / {
try_files $uri /$uri /index.html;
add_header Cache-Control "public, max-age=30, stale-while-revalidate=30";
}
access_log /var/log/nginx/call-access.log;
error_log /var/log/nginx/call-error.log;
}

61
matrix/nginx/conf/domain.conf
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@ -1,61 +0,0 @@
server {
listen 80;
listen [::]:80;
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name example.com;
location /.well-known/matrix/client {
return 200 '{
"m.homeserver": {"base_url": "https://matrix.example.com"},
"org.matrix.msc3575.proxy": {"url": "https://matrix.example.com"},
"org.matrix.msc4143.rtc_foci":[
{"type": "livekit",
"livekit_service_url": "https://livekit.example.com"}
]
}';
default_type application/json;
add_header 'Access-Control-Allow-Origin' '*';
}
location /.well-known/matrix/server {
return 200 '{"m.server": "matrix.example.com"}';
default_type application/json;
}
location /.well-known/matrix/support {
return 200 '{ "contacts":
[
{ "email_address": "admin@example.com",
"matrix_id": "@admin:example.com",
"role": "m.role.admin" },
{ "email_address": "security@example.com",
"matrix_id": "@john:example.com",
"role": "m.role.security" }
],
"support_page": "https://www.example.com/matrix-support"
}';
default_type application/json;
}
location /.well-known/element/element.json {
return 200 '{"call": {"widget_url": "https://call.example.com"}}';
default_type application/json;
}
location / {
if ($scheme = http) {
return 301 https://$host$request_uri;
}
}
access_log /var/log/nginx/example-access.log;
error_log /var/log/nginx/example-error.log;
}

29
matrix/nginx/conf/elementweb.conf
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@ -1,29 +0,0 @@
server {
listen 80;
listen [::]:80;
listen 443 ssl http2;
listen [::]:443 ssl http2;
ssl_certificate /etc/letsencrypt/live/element.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/element.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name element.example.com;
location / {
if ($scheme = http) {
return 301 https://$host$request_uri;
}
add_header X-Frame-Options SAMEORIGIN;
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";
add_header Content-Security-Policy "frame-ancestors 'self'";
}
root /usr/share/element-web;
index index.html;
access_log /var/log/nginx/elementweb-access.log;
error_log /var/log/nginx/elementweb-error.log;
}

37
matrix/nginx/conf/livekit.conf
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@ -1,37 +0,0 @@
server {
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/livekit.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/livekit.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name livekit.example.com;
# This is lk-jwt-service
location ~ ^(/sfu/get|/healthz) {
proxy_pass http://[::1]:8080;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
location / {
proxy_pass http://[::1]:7880;
proxy_set_header Connection "upgrade";
proxy_set_header Upgrade $http_upgrade;
#add_header Access-Control-Allow-Origin "*" always;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
access_log /var/log/nginx/livekit-access.log;
error_log /var/log/nginx/livekit-error.log;
}

85
matrix/nginx/conf/revproxy.conf
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@ -1,85 +0,0 @@
server {
listen 443 ssl;
listen [::]:443 ssl;
# For the federation port
listen 8448 ssl;
listen [::]:8448 ssl;
ssl_certificate /etc/letsencrypt/live/matrix.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/matrix.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name matrix.example.com;
# Abuse reports get forwarded to Draupnir, listening on port 8082
location ~ ^/_matrix/client/(r0|v3)/rooms/([^/]*)/report/(.*)$ {
# The r0 endpoint is deprecated but still used by many clients.
# As of this writing, the v3 endpoint is the up-to-date version.
# Alias the regexps, to ensure that they're not rewritten.
set $room_id $2;
set $event_id $3;
proxy_pass http://[::1]:8082/api/1/report/$room_id/$event_id;
}
# Reports that need to reach Synapse (not really sure if this is used)
location /_synapse/admin/v1/event_reports {
proxy_pass http://localhost:8008;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
location ~ ^/_synapse/admin/v1/rooms/([^/]*)/context/(.*)$ {
set $room_id $2;
set $event_id $3;
proxy_pass http://localhost:8008/_synapse/admin/v1/rooms/$room_id/context/$event_id;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
# If you want the server version to be public:
location ~ ^/_synapse/admin/v1/server_version$ {
proxy_pass http://localhost:8008;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
# The rest of the admin endpoint shouldn't be public
location ~ ^/_synapse/admin {
allow 127.0.0.1;
allow ::1;
allow 111.222.111.222;
allow dead:beef::/48;
deny all;
proxy_pass http://localhost:8008;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
location ~ ^(/_matrix|/_synapse/client) {
proxy_pass http://localhost:8008;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $host;
client_max_body_size 50M;
proxy_http_version 1.1;
}
access_log /var/log/nginx/matrix-access.log;
error_log /var/log/nginx/matrix-error.log;
}

16
matrix/nginx/conf/synapse-admin.conf
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@ -1,16 +0,0 @@
server {
listen 443 ssl;
listen [::]:443 ssl;
ssl_certificate /etc/letsencrypt/live/admin.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/admin.example.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/ssl/dhparams.pem;
server_name admin.example.com;
root /var/www/synapse-admin;
access_log /var/log/nginx/admin-access.log;
error_log /var/log/nginx/admin-error.log;
}

397
matrix/nginx/workers/README.md
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@ -1,397 +0,0 @@
---
gitea: none
include_toc: true
---
# Reverse proxy for Synapse with workers
Changing nginx's configuration from a reverse proxy for a normal, monolithic
Synapse to one for a Synapse that uses workers, is a big thing: quite a lot has to
be changed.
As mentioned in [Synapse with workers](../../synapse/workers/README.md#synapse),
we're changing the "backend" from network sockets to UNIX sockets.
Because we're going to have to forward a lot of specific requests to all kinds
of workers, we'll split the configuration into a few bits:
* all `proxy_forward` settings
* all `location` definitions
* maps that define variables
* upstreams that point to the correct socket(s) with the correct settings
* settings for private access
* connection optimizations
Some of these go into `/etc/nginx/conf.d` because they are part of the
configuration of nginx itself, others go into `/etc/nginx/snippets` because we
need to include them several times in different places.
**Important consideration**
This part isn't a quick "put these files in place and you're done": a
worker-based Synapse is tailor-made, there's no one-size-fits-all. This
documentation gives hints and examples, but in the end it's you who has to
decide what types of workers to use and how many, all depending on your
specific use case and the available hardware.
# Optimizations
In the quest for speed, we are going to tweak several settings in nginx. To
keep things manageable, most of those tweaks go into separate configuration
files that are either automatically included (those under `/etc/nginx/conf.d`)
or explicitly where we need them (those under `/etc/nginx/snippets`).
Let's start with a few settings that affect nginx as a whole. Edit these
options in `/etc/nginx/nginx.conf`:
```
pcre_jit on;
worker_rlimit_nofile 8192;
worker_connections 4096;
multi_accept off;
gzip_comp_level 2;
gzip_types application/javascript application/json application/x-javascript application/xml application/xml+rss image/svg+xml text/css text/javascript text/plain text/xml;
gzip_min_length 1000;
gzip_disable "MSIE [1-6]\.";
```
We're going to use lots of regular expressions in our config, `pcre_jit on`
speeds those up considerably. Workers get 8K open files, and we want 4096
workers instead of the default 768. Workers can only accept one connection,
which is (in almost every case) proxy_forwarded, so we set `multi_accept off`.
We change `gzip_comp_level` from 6 to 2, we expand the list of content that is
to be gzipped, and don't zip anything shorter than 1000 characters, instead of
the default 20. MSIE can take a hike...
These are tweaks for the connection, save this in `/etc/ngnix/conf.d/conn_optimize.conf`.
```
client_body_buffer_size 32m;
client_header_buffer_size 32k;
client_max_body_size 1g;
http2_max_concurrent_streams 128;
keepalive_timeout 65;
keepalive_requests 100;
large_client_header_buffers 4 16k;
server_names_hash_bucket_size 128;
tcp_nodelay on;
server_tokens off;
```
We set a few proxy settings that we use in proxy_forwards other than to our
workers, save this to `conf.d/proxy_optimize.conf`:
```
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
```
For every `proxy_forward` to our workers, we want to configure several settings,
and because we don't want to include the same list of settings every time, we put
all of them in one snippet of code, that we can include every time we need it.
Create `/etc/nginx/snippets/proxy.conf` and put this in it:
```
proxy_connect_timeout 2s;
proxy_buffering off;
proxy_http_version 1.1;
proxy_read_timeout 3600s;
proxy_redirect off;
proxy_send_timeout 120s;
proxy_socket_keepalive on;
proxy_ssl_verify off;
proxy_set_header Accept-Encoding "";
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Connection $connection_upgrade;
proxy_set_header Upgrade $http_upgrade;
client_max_body_size 50M;
```
Every time we use a `proxy_forward`, we include this snippet. There are 2 more
things we might set: trusted locations that can use the admin endpoints, and a
dedicated DNS-recursor. We include the `snippets/private.conf` in the
forwards to admin endpoints, so that not the entire Internet can play with it.
The dedicated nameserver is something you really want, because synchronising a
large room can easily result in 100.000+ DNS requests. You'll hit flood
protection on most servers if you do that.
List the addresses from which you want to allow admin access in
`snippets/private.conf`:
```
allow 127.0.0.1;
allow ::1;
allow 12.23.45.78;
allow 87.65.43.21;
allow dead:beef::/48;
allow 2a10:1234:abcd::1;
deny all;
satisfy all;
```
Of course, subsitute these random addresses for the ones you trust. The
dedicated nameserver (if you have one, which is strongly recommended) should
be configured in `conf.d/resolver.conf`:
```
resolver [::1] 127.0.0.1 valid=60;
resolver_timeout 10s;
```
# Maps {#maps}
A map sets a variable based on, usually, another variable. One case we use this
is in determining the type of sync a client is doing. A normal sync, simply
updating an existing session, is a rather lightweight operation. An initial sync,
meaning a full sync because the session is brand new, is not so lightweight.
A normal sync can be recognised by the `since` bit in the request: it tells
the server when its last sync was. If there is no `since`, we're dealing with
an initial sync.
We want to forward requests for normal syncs to the `normal_sync` workers, and
the initial syncs to the `initial_sync` workers.
We decide to which type of worker to forward the sync request to by looking at
the presence or absence of `since`: if it's there, it's a normal sync and we
set the variable `$sync` to `normal_sync`. If it's not there, we set `$sync` to
`initial_sync`. The content of `since` is irrelevant for nginx.
This is what the map looks like:
```
map $arg_since $sync {
default normal_sync;
'' initial_sync;
}
```
We evaluate `$arg_since` to set `$sync`: `$arg_since` is nginx's variable `$arg_`
followed by `since`, the argument we want. See [the index of
variables in nginx](https://nginx.org/en/docs/varindex.html) for more
variables we can use in nginx.
By default we set `$sync` to `normal_sync`, unless the argument `since` is
empty (absent); then we set it to `initial_sync`.
After this mapping, we forward the request to the correct worker like this:
```
proxy_pass http://$sync;
```
See a complete example of maps in the file [maps.conf](maps.conf).
# Upstreams
In our configuration, nginx is not only a reverse proxy, it's also a load balancer.
Just like what `haproxy` does, it can forward requests to "servers" behind it.
Such a server is the inbound UNIX socket of a worker, and there can be several
of them in one group.
Let's start with a simple one, the `login` worker, that handles the login
process for clients. There's only one worker, so only one socket:
```
upstream login {
server unix:/run/matrix-synapse/inbound_login.sock max_fails=0;
keepalive 10;
}
```
Ater this definition, we can forward traffic to `login`. What traffic to
forward is decided in the `location` statements, see further.
## Synchronisation
A more complex example are the sync workers. Under [Maps](#Maps) we split sync
requests into two different types; those different types are handled by
different worker pools. In our case we have 2 workers for the initial_sync
requests, and 3 for the normal ones:
```
upstream initial_sync {
hash $mxid_localpart consistent;
server unix:/run/matrix-synapse/inbound_initial_sync1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_initial_sync2.sock max_fails=0;
keepalive 10;
}
upstream normal_sync {
hash $mxid_localpart consistent;
server unix:/run/matrix-synapse/inbound_normal_sync1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_normal_sync2.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_normal_sync3.sock max_fails=0;
keepalive 10;
}
```
The `hash` bit is to make sure that request from one user are consistently
forwarded to the same worker. We filled the variable `$mxid_localpart` in the
maps.
## Federation
Something similar goes for the federation workers. Some requests need to go
to the same worker as all the other requests from the same IP-addres, other
can go to any of these workers.
We define two upstreams with the same workers, only with different names and
the explicit IP-address ordering for one:
```
upstream incoming_federation {
server unix:/run/matrix-synapse/inbound_federation_reader1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader2.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader3.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader4.sock max_fails=0;
keepalive 10;
}
upstream federation_requests {
hash $remote_addr consistent;
server unix:/run/matrix-synapse/inbound_federation_reader1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader2.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader3.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader4.sock max_fails=0;
keepalive 10;
}
```
Same workers, different handling. See how we forward requests in the next
paragraph.
See [upstreams.conf](upstreams.conf) for a complete example.
# Locations
Now that we have defined the workers and/or worker pools, we have to forward
the right traffic to the right workers. The Synapse documentation about
[available worker
types](https://element-hq.github.io/synapse/latest/workers.html#available-worker-applications)
lists which endpoints a specific worker type can handle.
## Login
Let's forward login requests to our login worker. The [documentation for the
generic_worker](https://element-hq.github.io/synapse/latest/workers.html#synapseappgeneric_worker)
says these endpoints are for registration and login:
```
# Registration/login requests
^/_matrix/client/(api/v1|r0|v3|unstable)/login$
^/_matrix/client/(r0|v3|unstable)/register$
^/_matrix/client/(r0|v3|unstable)/register/available$
^/_matrix/client/v1/register/m.login.registration_token/validity$
^/_matrix/client/(r0|v3|unstable)/password_policy$
```
We forward that to our worker with this `location` definition, using the
`proxy_forward` settings we defined earlier:
```
location ~ ^(/_matrix/client/(api/v1|r0|v3|unstable)/login|/_matrix/client/(r0|v3|unstable)/register|/_matrix/client/(r0|v3|unstable)/register/available|/_matrix/client/v1/register/m.login.registration_token/validity|/_matrix/client/(r0|v3|unstable)/password_policy)$ {
include snippets/proxy.conf;
proxy_pass http://login;
}
```
## Synchronisation
The docs say that the `generic_worker` can handle these requests for synchronisation
requests:
```
# Sync requests
^/_matrix/client/(r0|v3)/sync$
^/_matrix/client/(api/v1|r0|v3)/events$
^/_matrix/client/(api/v1|r0|v3)/initialSync$
^/_matrix/client/(api/v1|r0|v3)/rooms/[^/]+/initialSync$
```
We forward those to our 2 worker pools making sure the heavy initial syncs go
to the `initial_sync` pool, and the normal ones to `normal_sync`. We use the
variable `$sync`for that, which we defined in maps.conf.
```
# Normal/initial sync
location ~ ^/_matrix/client/(r0|v3)/sync$ {
include snippets/proxy.conf;
proxy_pass http://$sync;
}
# Normal sync
location ~ ^/_matrix/client/(api/v1|r0|v3)/events$ {
include snippets/proxy.conf;
proxy_pass http://normal_sync;
}
# Initial sync
location ~ ^(/_matrix/client/(api/v1|r0|v3)/initialSync|/_matrix/client/(api/v1|r0|v3)/rooms/[^/]+/initialSync)$ {
include snippets/proxy.conf;
proxy_pass http://initial_sync;
}
```
## Media
The media worker is slightly different: some parts are public, but a few bits
are admin stuff. We split those, and limit the admin endpoints to the trusted
addresses we defined earlier:
```
# Media, public
location ~* ^(/_matrix/((client|federation)/[^/]+/)media/|/_matrix/media/v3/upload/) {
include snippets/proxy.conf;
proxy_pass http://media;
}
# Media, admin
location ~ ^/_synapse/admin/v1/(purge_)?(media(_cache)?|room|user|quarantine_media|users)/[\s\S]+|media$ {
include snippets/private.conf;
include snippets/proxy.conf;
proxy_pass http://media;
}
```
# Federation
Federation is done by two types of workers: one pool for requests from our
server to the rest of the world, and one pool for everything coming in from the
outside world. Only the latter is relevant for nginx.
The documentation mentions two different types of federation:
* Federation requests
* Inbound federation transaction request
The second is special, in that requests for that specific endpoint must be
balanced by IP-address. The "normal" federation requests can be sent to any
worker. We're sending all these requests to the same workers, but we make sure
to always send requests from 1 IP-address to the same worker:
```
# Federation readers
location ~ ^(/_matrix/federation/v1/event/|/_matrix/federation/v1/state/|/_matrix/federation/v1/state_ids/|/_matrix/federation/v1/backfill/|/_matrix/federation/v1/get_missing_events/|/_matrix/federation/v1/publicRooms|/_matrix/federation/v1/query/|/_matrix/federation/v1/make_join/|/_matrix/federation/v1/make_leave/|/_matrix/federation/(v1|v2)/send_join/|/_matrix/federation/(v1|v2)/send_leave/|/_matrix/federation/v1/make_knock/|/_matrix/federation/v1/send_knock/|/_matrix/federation/(v1|v2)/invite/|/_matrix/federation/v1/event_auth/|/_matrix/federation/v1/timestamp_to_event/|/_matrix/federation/v1/exchange_third_party_invite/|/_matrix/federation/v1/user/devices/|/_matrix/key/v2/query|/_matrix/federation/v1/hierarchy/) {
include snippets/proxy.conf;
proxy_pass http://incoming_federation;
}
# Inbound federation transactions
location ~ ^/_matrix/federation/v1/send/ {
include snippets/proxy.conf;
proxy_pass http://federation_requests;
}
```

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@ -1,13 +0,0 @@
# These settings optimize the connection handling. Store this file under /etc/nginx/conf.d, because
# it should be loaded by default.
client_body_buffer_size 32m;
client_header_buffer_size 32k;
client_max_body_size 1g;
http2_max_concurrent_streams 128;
keepalive_timeout 65;
keepalive_requests 100;
large_client_header_buffers 4 16k;
server_names_hash_bucket_size 128;
tcp_nodelay on;
server_tokens off;

111
matrix/nginx/workers/locations.conf
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@ -1,111 +0,0 @@
# This file describes the forwarding of (almost) every endpoint to a worker or pool of
# workers. This file should go in /etc/nginx/snippets, because we need to load it once, on
# the right place in our site-definition.
# Account-data
location ~ ^(/_matrix/client/(r0|v3|unstable)/.*/tags|/_matrix/client/(r0|v3|unstable)/.*/account_data) {
include snippets/proxy.conf;
proxy_pass http://account_data;
}
# Typing
location ~ ^/_matrix/client/(api/v1|r0|v3|unstable)/rooms/.*/typing {
include snippets/proxy.conf;
proxy_pass http://typing;
}
# Receipts
location ~ ^(/_matrix/client/(r0|v3|unstable)/rooms/.*/receipt|/_matrix/client/(r0|v3|unstable)/rooms/.*/read_markers) {
include snippets/proxy.conf;
proxy_pass http://receipts;
}
# Presence
location ~ ^/_matrix/client/(api/v1|r0|v3|unstable)/presence/ {
include snippets/proxy.conf;
proxy_pass http://presence;
}
# To device
location ~ ^/_matrix/client/(r0|v3|unstable)/sendToDevice/ {
include snippets/proxy.conf;
proxy_pass http://todevice;
}
# Push rules
location ~ ^/_matrix/client/(api/v1|r0|v3|unstable)/pushrules/ {
include snippets/proxy.conf;
proxy_pass http://push_rules;
}
# Userdir
location ~ ^/_matrix/client/(r0|v3|unstable)/user_directory/search$ {
include snippets/proxy.conf;
proxy_pass http://userdir;
}
# Media, users1
location ~* ^/_matrix/((client|federation)/[^/]+/)media/ {
include snippets/proxy.conf;
proxy_pass http://media;
}
# Media, users2
location ~* ^/_matrix/media/v3/upload {
include snippets/proxy.conf;
proxy_pass http://media;
}
# Media, admin
location ~ ^/_synapse/admin/v1/(purge_)?(media(_cache)?|room|user|quarantine_media|users)/[\s\S]+|media$ {
include snippets/private.conf;
include snippets/proxy.conf;
proxy_pass http://media;
}
# Login
location ~ ^(/_matrix/client/(api/v1|r0|v3|unstable)/login|/_matrix/client/(r0|v3|unstable)/register|/_matrix/client/(r0|v3|unstable)/register/available|/_matrix/client/v1/register/m.login.registration_token/validity|/_matrix/client/(r0|v3|unstable)/password_policy)$ {
include snippets/proxy.conf;
proxy_pass http://login;
}
# Normal/initial sync:
# To which upstream to pass the request depends on the map "$sync"
location ~ ^/_matrix/client/(r0|v3)/sync$ {
include snippets/proxy.conf;
proxy_pass http://$sync;
}
# Normal sync:
# These endpoints are used for normal syncs
location ~ ^/_matrix/client/(api/v1|r0|v3)/events$ {
include snippets/proxy.conf;
proxy_pass http://normal_sync;
}
# Initial sync:
# These endpoints are used for initial syncs
location ~ ^/_matrix/client/(api/v1|r0|v3)/initialSync$ {
include snippets/proxy.conf;
proxy_pass http://initial_sync;
}
location ~ ^/_matrix/client/(api/v1|r0|v3)/rooms/[^/]+/initialSync$ {
include snippets/proxy.conf;
proxy_pass http://initial_sync;
}
# Federation
# All the "normal" federation stuff:
location ~ ^(/_matrix/federation/v1/event/|/_matrix/federation/v1/state/|/_matrix/federation/v1/state_ids/|/_matrix/federation/v1/backfill/|/_matrix/federation/v1/get_missing_events/|/_matrix/federation/v1/publicRooms|/_matrix/federation/v1/query/|/_matrix/federation/v1/make_join/|/_matrix/federation/v1/make_leave/|/_matrix/federation/(v1|v2)/send_join/|/_matrix/federation/(v1|v2)/send_leave/|/_matrix/federation/v1/make_knock/|/_matrix/federation/v1/send_knock/|/_matrix/federation/(v1|v2)/invite/|/_matrix/federation/v1/event_auth/|/_matrix/federation/v1/timestamp_to_event/|/_matrix/federation/v1/exchange_third_party_invite/|/_matrix/federation/v1/user/devices/|/_matrix/key/v2/query|/_matrix/federation/v1/hierarchy/) {
include snippets/proxy.conf;
proxy_pass http://incoming_federation;
}
# Inbound federation transactions:
location ~ ^/_matrix/federation/v1/send/ {
include snippets/proxy.conf;
proxy_pass http://federation_requests;
}
# Main thread for all the rest
location / {
include snippets/proxy.conf;
proxy_pass http://inbound_main;

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@ -1,55 +0,0 @@
# These maps set all kinds of variables we can use later in our configuration. This fil
# should be stored under /etc/nginx/conf.d so that it is loaded whenever nginx starts.
# List of allowed origins, can only send one.
map $http_origin $allow_origin {
~^https?://element.example.com$ $http_origin;
~^https?://call.example.com$ $http_origin;
~^https?://someserver.example.com$ $http_origin;
# NGINX won't set empty string headers, so if no match, header is unset.
default "";
}
# Client username from MXID
map $http_authorization $mxid_localpart {
default $http_authorization;
"~Bearer syt_(?<username>.*?)_.*" $username;
"" $accesstoken_from_urlparam;
}
# Whether to upgrade HTTP connection
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
#Extract room name from URI
map $request_uri $room_name {
default "not_room";
"~^/_matrix/(client|federation)/.*?(?:%21|!)(?<room>[\s\S]+)(?::|%3A)(?<domain>[A-Za-z0-9.\-]+)" "!$room:$domain";
}
# Choose sync worker based on the existence of "since" query parameter
map $arg_since $sync {
default normal_sync;
'' initial_sync;
}
# Extract username from access token passed as URL parameter
map $arg_access_token $accesstoken_from_urlparam {
# Defaults to just passing back the whole accesstoken
default $arg_access_token;
# Try to extract username part from accesstoken URL parameter
"~syt_(?<username>.*?)_.*" $username;
}
# Extract username from access token passed as authorization header
map $http_authorization $mxid_localpart {
# Defaults to just passing back the whole accesstoken
default $http_authorization;
# Try to extract username part from accesstoken header
"~Bearer syt_(?<username>.*?)_.*" $username;
# if no authorization-header exist, try mapper for URL parameter "access_token"
"" $accesstoken_from_urlparam;
}

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@ -1,13 +0,0 @@
# This file defines the "safe" IP addresses that are allowed to use the admin endpoints
# of our installation. Store this file under /etc/nginx/snippets, so you can load it on
# demand for the bits you want/need to protect.
allow 127.0.0.1;
allow ::1;
allow 12.23.45.78;
allow 87.65.43.21;
allow dead:beef::/48;
allow 2a10:1234:abcd::1;
deny all;
satisfy all;

8
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@ -1,8 +0,0 @@
# These are a few proxy settings that should be default. These are not used in the proxy_forward to
# our workers, we don't want buffering there. Store this file under /etc/nginx/conf.d because it contains
# defaults.
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;

20
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@ -1,20 +0,0 @@
# Settings that we want for every proxy_forward to our workers. This file should live
# under /etc/nginx/snippets, because it should not be loaded automatically but on demand.
proxy_connect_timeout 2s;
proxy_buffering off;
proxy_http_version 1.1;
proxy_read_timeout 3600s;
proxy_redirect off;
proxy_send_timeout 120s;
proxy_socket_keepalive on;
proxy_ssl_verify off;
proxy_set_header Accept-Encoding "";
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Connection $connection_upgrade;
proxy_set_header Upgrade $http_upgrade;
client_max_body_size 50M;

116
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@ -1,116 +0,0 @@
# Stream workers first, they are special. The documentation says:
# "each stream can only have a single writer"
# Account-data
upstream account_data {
server unix:/run/matrix-synapse/inbound_accountdata.sock max_fails=0;
keepalive 10;
}
# Userdir
upstream userdir {
server unix:/run/matrix-synapse/inbound_userdir.sock max_fails=0;
keepalive 10;
}
# Typing
upstream typing {
server unix:/run/matrix-synapse/inbound_typing.sock max_fails=0;
keepalive 10;
}
# To device
upstream todevice {
server unix:/run/matrix-synapse/inbound_todevice.sock max_fails=0;
keepalive 10;
}
# Receipts
upstream receipts {
server unix:/run/matrix-synapse/inbound_receipts.sock max_fails=0;
keepalive 10;
}
# Presence
upstream presence {
server unix:/run/matrix-synapse/inbound_presence.sock max_fails=0;
keepalive 10;
}
# Push rules
upstream push_rules {
server unix:/run/matrix-synapse/inbound_push_rules.sock max_fails=0;
keepalive 10;
}
# End of the stream workers, the following workers are of a "normal" type
# Media
# If more than one media worker is used, they *must* all run on the same machine
upstream media {
server unix:/run/matrix-synapse/inbound_mediaworker.sock max_fails=0;
keepalive 10;
}
# Synchronisation by clients:
# Normal sync. Not particularly heavy, but happens a lot
upstream normal_sync {
# Use the username mapper result for hash key
hash $mxid_localpart consistent;
server unix:/run/matrix-synapse/inbound_normal_sync1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_normal_sync2.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_normal_sync3.sock max_fails=0;
keepalive 10;
}
# Initial sync
# Much heavier than a normal sync, but happens less often
upstream initial_sync {
# Use the username mapper result for hash key
hash $mxid_localpart consistent;
server unix:/run/matrix-synapse/inbound_initial_sync1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_initial_sync2.sock max_fails=0;
keepalive 10;
}
# Login
upstream login {
server unix:/run/matrix-synapse/inbound_login.sock max_fails=0;
keepalive 10;
}
# Clients
upstream client {
hash $mxid_localpart consistent;
server unix:/run/matrix-synapse/inbound_clientworker1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_clientworker2.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_clientworker3.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_clientworker4.sock max_fails=0;
keepalive 10;
}
# Federation
# "Normal" federation, balanced round-robin over 4 workers.
upstream incoming_federation {
server unix:/run/matrix-synapse/inbound_federation_reader1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader2.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader3.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader4.sock max_fails=0;
keepalive 10;
}
# Inbound federation requests, need to be balanced by IP-address, but can go
# to the same pool of workers as the other federation stuff.
upstream federation_requests {
hash $remote_addr consistent;
server unix:/run/matrix-synapse/inbound_federation_reader1.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader2.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader3.sock max_fails=0;
server unix:/run/matrix-synapse/inbound_federation_reader4.sock max_fails=0;
keepalive 10;
}
# Main thread for all the rest
upstream inbound_main {
server unix:/run/matrix-synapse/inbound_main.sock max_fails=0;
keepalive 10;
}

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---
gitea: none
include_toc: true
---
# Installing PostgreSQL and creating database and user
Installing [PostgreSQL](https://www.postgresql.org/) on Debian is very easy:
```
apt install postgresql python3-psycopg
sudo -u postgres bash
createuser --pwprompt synapse
createdb --encoding=UTF8 --locale=C --template=template0 --owner=synapse synapse
```
After this, PostgreSQL is installed, the database `synapse` exists and so does
the database user `synapse`. Make sure you choose a strong password.
# Configuring access
After a clean installation, PostgreSQL will listen on localhost, both IPv4 and
IPv6 (if available). In many cases, this is exactly what you want.
## Network
PostgreSQL will listen on localhost, this is configured in
`/etc/postgresql/<version>/main/postgresql.conf`:
```
listen_addresses = 'localhost'
```
This line is usually commented out, but as it is the default, it's really
there.
## UNIX socket
If you want PostgreSQL to listen only to a local UNIX socket (more efficient
than network and -depending on the configuration of the rest of you system-
easier to protect), make the aforementioned option explicitly empty and
uncomment it:
```
listen_addresses = ''
```
Check these options to make sure the socket is placed in the right spot and
given the correct permissions:
```
unix_socket_directories = '/var/run/postgresql'
#unix_socket_group = ''
#unix_socket_permissions = 0777
```
## Permissions
Add permission for the user to connect to the database from localhost (if
PostgreSQL listens on localhost), or the socket (if you use that). This is
configured in `/etc/postgresql/<version>/main/pg_hba.conf`:
```
local synapse synapse password # for use with UNIX sockets
host synapse synapse localhost md5 # for use with localhost network
```
Make sure you add these lines under the one that gives access to the postgres
superuser, the first line.
# Tuning {#tuning}
This is for later, check [Tuning your PostgreSQL Server](https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server)
on the PostgreSQL wiki.
For tuning in the scenario with [Synapse workers](../synapse/workers), see [this
useful site](https://tcpipuk.github.io/postgres/tuning/index.html).

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# Synapse-admin
This is the webgui for Synapse.
Installation can be done in 3 ways
([see Github](https://github.com/Awesome-Technologies/synapse-admin)), we'll
pick the easiest one: using the precompiled tar.
Unpack it under `/var/www`, link `synapse-admin` to the directory that the
archive creates. This is to make sure you can easily unpack a newer version,
prepare that, and then change the symlink.
```
# ls -l /var/www
total 8
drwxr-xr-x 2 root root 4096 Nov 4 18:05 html
lrwxrwxrwx 1 root root 20 Nov 18 13:24 synapse-admin -> synapse-admin-0.10.3
drwxr-xr-x 5 root root 4096 Nov 18 15:54 synapse-admin-0.10.3
```
We use 0.10.3, but point nginx to '/var/www/synapse-admin'. Configuring nginx
is fairly straightforward, [see here](../nginx/README.md#synapse-admin).
You should probably restrict Synapse-Admin to your own Synapse-server, instead
of letting users fill in whatever they want. Do this by adding this bit to
`config.json`. In our config we've moved that file to
`/etc/synapse-admin` and link to that from `/var/www/synapse-admin`.
```
{
"restrictBaseUrl": "https://matrix.example.com"
}
```

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@ -1,646 +0,0 @@
---
gitea: none
include_toc: true
---
# Installation and configuration of Synapse
Mind you: this an installation on Debian Linux (at least for now).
Start by installing the latest Synapse server, see the [upstream
documentation](https://element-hq.github.io/synapse/latest/setup/installation.html).
```
apt install -y lsb-release wget apt-transport-https build-essential python3-dev libffi-dev \
python3-pip python3-setuptools sqlite3 \
libssl-dev virtualenv libjpeg-dev libxslt1-dev libicu-dev git python3-jinja2
wget -O /usr/share/keyrings/matrix-org-archive-keyring.gpg https://packages.matrix.org/debian/matrix-org-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/matrix-org-archive-keyring.gpg] https://packages.matrix.org/debian/ $(lsb_release -cs) main" |
tee /etc/apt/sources.list.d/matrix-org.list
apt update
apt install matrix-synapse-py3
```
This leaves a very basic configuration in `/etc/matrix-synapse/homeserver.yaml`
and two settings under `/etc/conf.d`. All other configuration items will also
be configured with yaml-files in this directory.
Configure the domain you with to use in `/etc/matrix-synapse/conf.d/server_name.yaml`.
What you configure here will also be the global part of your Matrix handles
(the part after the colon). Also add the URL clients should connect to:
```
server_name: example.com
public_baseurl: https://matrix.example.com/
```
The `public_baseurl` will probably be different than the `server_name`, see
also [Delegation and DNS](#Delegation).
You now have a standard Matrix server that uses sqlite. You really don't want
to use this in production, so probably want to replace this with PostgreSQL.
There are two different ways to configure Synapse, documented here:
* [Monolithic](monolithic)
* [Workers](workers)
We'll use Synapse, using the workers architecture to make it scalable, flexible and reusable.
# Listeners
A fresh installation configures one listener, for both client and federation
traffic. This listens on port 8008 on localhost (IPv4 and IPv6) and does not
do TLS:
```
listeners:
- port: 8008
tls: false
type: http
x_forwarded: true
bind_addresses: ['::1', '127.0.0.1']
resources:
- names: [client, federation]
compress: false
```
# Database
The default installation leaves you with an sqlite3 database. Nice for experimenting, but
unsuitable for a production environment.
[Here's how you setup PostgreSQL](../postgresql).
Once you've created a database and user in PostgreSQL, you configure Synapse
to use it.
First delete (or comment out) the SQLITE datbase in `homeserver.yaml`:
```
#database:
# name: sqlite3
# args:
# database: /var/lib/matrix-synapse/homeserver.db
```
Then create the database configuration for PostgreSQL in
`conf.d/database.yaml`:
```
database:
name: psycopg2
args:
user: synapse
password: <password>
dbname: synapse
host: /var/run/postgresql
cp_min: 5
cp_max: 10
```
Note: you configure the directory where the UNIX socket file lives, not the
actual file.
Of course, if you use localhost, you should configure it like this:
```
host: localhost
port: 5432
```
After changing the database, restart Synapse and check whether it can connect
and create the tables it needs.
# Create admin
Synapse doesn't create an admin account at install time, so you'll have to do
that yourself.
You need to set a `registration_shared_secret` for this, set that in
`conf.d/keys.yaml` like this:
```
registration_shared_secret: xxxx
```
You can create such a key by running `pwgen -csn 52 1`. Restart Synapse after
setting this key.
Now create an admin user. Login and issue this command:
```
register_new_matrix_user -u admin -a -c /etc/matrix-synapse/conf.d/keys.yaml
```
This will ask for a password, choose a safe one.
# Logging
Logging is configured in `log.yaml`. Some logging should go to systemd, the
more specific logging to Synapse's own logfile(s).
This part is yet to be completed, the default configuration is adequate for
most cases.
# Delegation and DNS {#Delegation}
If you run your server under a different FQDN than just the domain name you
want to use, you need to delegate: point from your domain to the server.
Example. You want to use example.com for your domain, but your server is
called matrix.example.com. To make that work, you need to serve 2 bits of
JSON-code on example.com to point clients and servers to the correct
machine: matrix.example.com.
Pointing servers to the correct server is done by publishing this bit of
JSON-code under `https://example.com/.well-known/matrix/server`:
```
{
"m.homeserver": {"base_url": "https://matrix.example.com"}
}
```
Pointing clients to the correct server needs this at
`https://example.com/.well-known/matrix/client`:
```
{
"m.server": "matrix.example.com"
}
```
Very important: both names (example.com and matrix.example.com) must be A
and/or AAAA records in DNS, not CNAME.
You can also publish support data: administrator, security officer, helpdesk
page. Publish that as `.well-known/matrix/support`.
See the included files for more elaborate examples, and check
[nginx](../nginx) for details about how to publish this data.
# E-mail {#Email}
Synapse should probably be able to send out e-mails; notifications for those
who want that, and password reset for those who need one.
You configure this under the section `email` (yes, really).
First of all, you need an SMTP-server that is configured to send e-mail for
your domain. Configuring that is out of scope, we'll assume we can use the
server `smtp.example.com`.
Configure this in `conf.d/email.yaml`:
```
email:
smtp_host: smtp.example.com
smtp_port: 465
smtp_user: matrix@example.com
smtp_pass: SuperSecretPassword
force_tls: true
notif_from: "Your Matrix server <matrix@example.com>"
```
This configures an SMTP-connection with SSL (port 465, `force_tls`). See Matrix'
[email documentation](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html?highlight=require_transport_security#email)
for more information.
# Media store {#mediastore}
Files and avatars need to be stored somewhere, we configure these options in
`conf.d/mediastore.yaml`:
```
media_store_path: /var/lib/matrix-synapse/media
enable_authenticated_media: true
max_upload_size: 50M
url_preview_enabled: true
url_preview_ip_range_blacklist:
- '127.0.0.0/8'
- '10.0.0.0/8'
- '172.16.0.0/12'
- '192.168.0.0/16'
- '100.64.0.0/10'
- '192.0.0.0/24'
- '169.254.0.0/16'
- '192.88.99.0/24'
- '198.18.0.0/15'
- '192.0.2.0/24'
- '198.51.100.0/24'
- '203.0.113.0/24'
- '224.0.0.0/4'
- '::1/128'
- 'fe80::/10'
- 'fc00::/7'
- '2001:db8::/32'
- 'ff00::/8'
- 'fec0::/10'
```
These are a few sane (?) defaults, check [Matrix' documentation](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html?highlight=media_store_path#media-store)
for many more options.
# Homeserver blocking {#blocking}
This is a series of options that can be used to block and/or limit users. The
whole list of options can be found in [Matrix' documentation](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html?highlight=mau_stats_only%3A#homeserver-blocking),
we're going to pick out a few useful ones.
Let's configure these options in `conf.d/homeserver_blocking.yaml`.
```
admin_contact: matrixadmin@example.com
mau_stats_only: true
max_avatar_size: 2M
allowed_avatar_mimetypes:
- "image/png"
- "image/jpeg"
- "image/gif"
forgotten_room_retention_period: 7d
```
# Authentication {#authentication}
Logging in can be done in basically two ways: an internal or external
database. Let's start with the first: users and their passwords are stored in
Synapse's database.
We use `conf.d/authentication.yaml` to configure this stuff.
```
password_config:
policy:
enabled: true
localdb_enabled: true
pepper: <random string>
minimum_length: 8
require_digit: true
require_symbol: true
require_lowercase: true
require_uppercase: true
```
With this bit, we configure Synapse to let users pick and change their own
passwords, as long as they meet the configured conditions. Mind you: `pepper` is
a secret random string that should *NEVER* be changed after initial setup.
But in a bigger environment you'll probably want to use some authentication
backend, such as LDAP. LDAP is configured by means of a module (see
[Synapse LDAP auth Provider](https://github.com/matrix-org/matrix-synapse-ldap3/)
on Github).
Configuring Synapse to use LDAP, would be something like this:
```
password_config:
policy:
enabled: only_for_reauth
localdb_enabled: false
password_providers:
- module: "ldap_auth_provider.LdapAuthProvider"
config:
enabled: true
uri: "ldap://ldap.example.com:389"
start_tls: true
base: "ou=users,dc=example,dc=com"
attributes:
uid: "uid"
mail: "mail"
name: "cn"
filter: "(&(objectClass=posixAccount)(accountStatus=active))"
mode: "search"
bind_dn: "cn=matrix,ou=service,dc=example,dc=com"
bind_password: "<very secure password>"
```
This would connect to ldap.example.com over TLS, and authenticate users that
live under `ou=users,dc=example,dc=com` and that are active Posix
accounts. Users will not be able to change their passwords via Matrix, they
have to do that in LDAP.
The bottom 3 lines enable search mode, necessary to find users' displayname
and e-mail address. These values are in LDAP under the attributes "mail" and
"cn" (completely dependent on your LDAP DIT of course, this setup is common
for OpenLDAP). The bind_dn and bind_password are for the account Synapse can
use to connect and search, necessary if anonymous access is prohibited.
# Server configuration {#serverconfig}
See [Define your homeserver name and other base options](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html?highlight=require_auth_for_profile_requests#server)
in the Synapse documentation.
It would be logical to put the next options under `conf.d/server.yaml`, but
Debian insists on `conf.d/server_name.yaml` existing and containing the name
of the domain. So we'll use that file for the next options as well. Add these
options:
```
presence:
enabled: true
include_offline_users_on_sync: false
require_auth_for_profile_requests: true
allow_public_rooms_over_federation: true
ip_range_blacklist:
- '127.0.0.0/8'
- '10.0.0.0/8'
- '172.16.0.0/12'
- '192.168.0.0/16'
- '100.64.0.0/10'
- '192.0.0.0/24'
- '169.254.0.0/16'
- '192.88.99.0/24'
- '198.18.0.0/15'
- '192.0.2.0/24'
- '198.51.100.0/24'
- '203.0.113.0/24'
- '224.0.0.0/4'
- '::1/128'
- 'fe80::/10'
- 'fc00::/7'
- '2001:db8::/32'
- 'ff00::/8'
- 'fec0::/10'
filter_timeline_limit: 500
delete_stale_devices_after: 1y
```
These should be reasonable defaults, but do check the [Server block](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html#server)
in Synapse's documentation for more options and information.
# Registration {#Registration}
Registration of new users is configured under `conf.d/registration.yaml`:
```
enable_registration: false
enable_registration_without_verification: false
registrations_require_3pid: email
registration_shared_secret: <long random string>
allow_guest_access: false
enable_set_displayname: false
enable_3pid_changes: false
```
The last two lines prohibit users to change their displayname and 3pid-data
(i.e. e-mail address and phone number). In many cases you'd want them to be
able to set these, of course. But when you use LDAP, which provides these
values, you don't want users to change those.
See for more options [Synapse's documentation](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html#registration).
# TURN
Check for more information about [how to configure the TURN
server](../coturn) or [LiveKit](../element-call#livekit). You probably want
LiveKit, but read on if you choose coturn.
It might be useful to use both coturn and LiveKit, so as to support both
legacy and EC calls, but you'd need to tweak the configurations so that they
don't bite each other.
Once you've set up your TURN server, configure it in
Synapse, in `conf.d/turn.yaml`:
```
turn_shared_secret: "<long random string>"
turn_uris:
- "turn:turn.matrixdev.example.com?transport=udp"
- "turn:turn.matrixdev.example.com?transport=tcp"
turn_user_lifetime: 86400000
turn_allow_guests: true
```
Restart Synapse to activate this bit.
# Consent Tracking {#consenttracking}
As administrator you sometimes need to push a message to all your users. See
the [Synapse documentation](https://element-hq.github.io/synapse/latest/server_notices.html)
to see how to configure that.
It's also necessary for moderation ([see Draupnir](../draupnir)).
## Server Notices
Server notices allow administrators to send messages to users, much like the
`wall` functionality in UNIX/Linux.
Add this bit of info to `conf.d/server_notices.yaml`:
```
server_notices:
system_mxid_localpart: server
system_mxid_display_name: "Server Notices"
# system_mxid_avatar_url: "mxc://example.com/QBBZcaxfrrpvreGeNhqRaCjG"
room_name: "Server Notices"
# room_avatar_url: "mxc://example.com/QBBZcaxfrrpvreGeNhqRaCjG"
room_topic: "Room used by your server admin to notice you of important
information"
auto_join: true
```
This means that the user sending the messages (who isn't really a user anyway)
is `server@example.com`, with the display name `Server Notices`. The room that users receive
these messages in is called the same. The room will be created if it doesn't
yet exist, every user that receives a server message will be put in a room
with that name.
Every user gets his own room, so if you send a server notice to 100 users,
there will be (at least) 100 rooms by that name, all containing 1 user.
The option `auto_join` means that users will automatically join the room as
soon as it's created. They can leave afterwards, but they'll be put into it again
as soon as they receive another server message.
The two commented out options are the avatars for user and room. This is a bit
tricky. You'll need to upload an image to a room first, so that it's present
in the media store. Then you can refer to it by the ID it gets, in the way
shown above. These avatars will only be set or changed when you send a server
notice.
Important bit: you must upload these pictures to an unencrypted room. Pictures
in an encrypted room are... well... encrypted, and that causes a problem for
the thumbnailer. Pictures in encrypted rooms are stored as MIME type
`application/octet-stream`, you want one of the formats you configured under
[Homeserver Blocking](#blocking). Or, if you haven't defined a whitelist, at
least an image mimetype...
Apparently this was a bug that's supposed to be fixed in Synapse 1.20, but we
haven't tested that yet.
You can find the ID of the picture in the database (table `local_media_repository`)
or, more conveniently, in [Synapse-Admin](../synapse-admin), which is also
where you'll want to go if you want to send a server notice.
In Synapse-Admin, open the User tab, select the user(s) you want to send a
notice to, and click "Send Server Notices".
If the result is that you're returned to the login screen of Synapse-Admin,
there was an error sending the notice. Check the Synapse logs.
## Consent template
You can force your users to accept an agreement before you let them on your
machine, see the [Synapse Documentation](https://element-hq.github.io/synapse/latest/consent_tracking.html#support-in-synapse-for-tracking-agreement-to-server-terms-and-conditions).
First, make the directory where you want Synapse to search for the document,
we create the directory `consent_policy`:
```
mkdir -p /var/lib/matrix-synapse/consent_policy/en
```
You'll have to add the directory `en` under that, as every document is assumed
to be in English. Support for other languages is on the wish list.
Create a Jinja2 template with the texts you want: the text users have to agree
to before they can use the service, and the text users that have already
agreed will see. Something like this:
```
<!doctype html>
<html lang="en">
<head>
<title>Example End User Policy</title>
</head>
<body>
{% if has_consented %}
<p>
You have already accepted the Example End User Policy.
</p>
{% else %}
<h1>Example End User Policy</h1>
These are the terms under which you can use this service. Unless you accept these terms, you
will not be allowed to send any messages.
<ol>
<li>You will not be abusive to other users, be they on this server or on an other.
<li>You will not do other nasty stuff.
<li>Basically: you will behave like a good person.
</ol>
We promise you a few things too:
<ol>
<li>We'll keep your data safe
<li>We won't snoop on you
<li>We'll only turn you in with the authorities if you do nasty stuff.
</ol>
If you accept these terms, you can use this system.
{% if not public_version %}
<!-- The variables used here are only provided when the 'u' param is given to the homeserver -->
<form method="post" action="consent">
<input type="hidden" name="v" value="{{version}}"/>
<input type="hidden" name="u" value="{{user}}"/>
<input type="hidden" name="h" value="{{userhmac}}"/>
<input type="submit" value="I accept"/>
</form>
{% endif %}
{% endif %}
</body>
</html>
```
The name of this document needs to be a version name with the extension `.html`.
Say you want your users to accept version 0.1, the file must be named
0.1.html. This version is referred to in the configuration.
After a user has agreed to this policy, he is presented with `success.html`,
which you will also have to make (although it's not mentioned in the
documentation). This doesn't have to be very complicated.
```
<!doctype html>
<html lang="en">
<head>
<title>ProcoliX End User Policy</title>
</head>
<body>
<p>You have agreed to our End User Policy, you can now use our service.</p>
<p>Have fun!</p>
</body>
</html>
```
We now have the texts ready, time to configure Synapse to use it.
Create a `form_secret`:
```
pwgen -csny 30 1
```
Add this bit to `conf.d/server_notices.yaml`:
```
form_secret: "<previously generated secret>"
user_consent:
require_at_registration: true
policy_name: "Example End User Policy"
template_dir: consent_policy
version: <version>
server_notice_content:
msgtype: m.text
body: >-
You have to agree to our End User Policy before you can use this
service. Please read and accept it at %(consent_uri)s.
block_events_error: >-
You haven't accepted the End User Policy yet, so you can't post any
messages yet. Please read and accept the policy at %(consent_uri)s.
```
Last bit it to enable the consent tracking on all listeners where `client` is
active. We have only one listener, so we add `consent` to that:
```
listeners:
- port: 8008
tls: false
type: http
x_forwarded: true
bind_addresses: ['::1', '127.0.0.1']
resources:
- names:
- client
- consent
- federation
compress: false
```
Restart Synapse for these changes to take effect.
If you update your policy, you'll have to copy the current one to a new
version, edit that (e.g. `0.2.html`) and change the `version` to the new
document. Restart Synapse after that. Your users will all have to agree to the
new policy.
The options `server_notice_content` and `block_events_error` do not seem to be
used, this is something that needs to be investigated.

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@ -1,22 +0,0 @@
# Authentication stuff
password_config:
policy:
enabled: only_for_reauth
localdb_enabled: false
password_providers:
- module: "ldap_auth_provider.LdapAuthProvider"
config:
enabled: true
uri: "ldap://ldap.example.com"
start_tls: true
mode: "search"
base: "ou=users,o=Example,dc=example,dc=eu"
attributes:
uid: "uid"
mail: "mail"
name: "cn"
filter: "(&(objectClass=posixAccount)(accountStatus=active))"
bind_dn: "cn=matrix,ou=service,dc=example,dc=com"
bind_password: "<very secure password>"

19
matrix/synapse/conf.d/call.yaml
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@ -1,19 +0,0 @@
experimental_features:
# MSC3266: Room summary API. Used for knocking over federation
msc3266_enabled: true
# The maximum allowed duration by which sent events can be delayed, as
# per MSC4140.
max_event_delay_duration: 24h
rc_message:
# This needs to match at least the heart-beat frequency plus a bit of headroom
# Currently the heart-beat is every 5 seconds which translates into a rate of 0.2s
per_second: 0.5
burst_count: 30
extra_well_known_client_content:
org.matrix.msc4143.rtc_foci:
type: livekit
livekit_service_url: https://livekit.example.com

9
matrix/synapse/conf.d/database.yaml
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@ -1,9 +0,0 @@
database:
name: psycopg2
args:
user: synapse
password: <secure password>
dbname: synapse
host: /var/run/postgresql
cp_min: 5
cp_max: 10

9
matrix/synapse/conf.d/email.yaml
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@ -1,9 +0,0 @@
# This takes care of sending e-mail
email:
smtp_host: smtp.example.com
smtp_port: 465
smtp_user: matrix@example.com
smtp_pass: <secure password>
force_tls: true
notif_from: "Your Matrix server <matrix@example.com>"

11
matrix/synapse/conf.d/homeserver_blocking.yaml
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@ -1,11 +0,0 @@
# Various settings for blocking stuff.
# See https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html?highlight=mau_stats_only%3A#homeserver-blocking
admin_contact: admin@example.com
mau_stats_only: true
max_avatar_size: 2M
allowed_avatar_mimetypes:
- "image/png"
- "image/jpeg"
- "image/gif"
forgotten_room_retention_period: 7d

5
matrix/synapse/conf.d/keys.yaml
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@ -1,5 +0,0 @@
# This file contains secrets
signing_key_path: "/etc/matrix-synapse/homeserver.signing.key"
macaroon_secret_key: <secure key>
registration_shared_secret: <secure key>

29
matrix/synapse/conf.d/mediastore.yaml
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@ -1,29 +0,0 @@
# Media stuff
# See https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html?highlight=media_store_path#media-store
media_store_path: /var/lib/matrix-synapse/media
enable_authenticated_media: true
max_upload_size: 50M
url_preview_enabled: true
url_preview_ip_range_blacklist:
- '127.0.0.0/8'
- '10.0.0.0/8'
- '172.16.0.0/12'
- '192.168.0.0/16'
- '100.64.0.0/10'
- '192.0.0.0/24'
- '169.254.0.0/16'
- '192.88.99.0/24'
- '198.18.0.0/15'
- '192.0.2.0/24'
- '198.51.100.0/24'
- '203.0.113.0/24'
- '224.0.0.0/4'
- '::1/128'
- 'fe80::/10'
- 'fc00::/7'
- '2001:db8::/32'
- 'ff00::/8'
- 'fec0::/10'
dynamic_thumbnails: true

5
matrix/synapse/conf.d/report_stats.yaml
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@ -1,5 +0,0 @@
# This file is autogenerated, and will be recreated on upgrade if it is deleted.
# Any changes you make will be preserved.
# Whether to report homeserver usage statistics.
report_stats: true

43
matrix/synapse/conf.d/server_name.yaml
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@ -1,43 +0,0 @@
# This file is autogenerated, and will be recreated on upgrade if it is deleted.
# Any changes you make will be preserved.
# The domain name of the server, with optional explicit port.
# This is used by remote servers to connect to this server,
# e.g. matrix.org, localhost:8080, etc.
# This is also the last part of your UserID.
#
server_name: example.com
# The rest is our local configuration:
public_baseurl: https://matrix.example.com/
presence:
enabled: true
include_offline_users_on_sync: false
require_auth_for_profile_requests: true
allow_public_rooms_over_federation: true
ip_range_blacklist:
- '127.0.0.0/8'
- '10.0.0.0/8'
- '172.16.0.0/12'
- '192.168.0.0/16'
- '100.64.0.0/10'
- '192.0.0.0/24'
- '169.254.0.0/16'
- '192.88.99.0/24'
- '198.18.0.0/15'
- '192.0.2.0/24'
- '198.51.100.0/24'
- '203.0.113.0/24'
- '224.0.0.0/4'
- '::1/128'
- 'fe80::/10'
- 'fc00::/7'
- '2001:db8::/32'
- 'ff00::/8'
- 'fec0::/10'
filter_timeline_limit: 500
delete_stale_devices_after: 1y

26
matrix/synapse/conf.d/server_notices.yaml
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@ -1,26 +0,0 @@
# Necessary for server notices, and moderation
server_notices:
system_mxid_localpart: server
system_mxid_display_name: "Server Notices"
system_mxid_avatar_url: "mxc://example.com/QBBZcaxfrrpvreGeNhqRaCjG"
room_name: "Server Notices"
room_avatar_url: "mxc://example.com/QBBZcaxfrrpvreGeNhqRaCjG"
room_topic: "Room used by your server admin to notice you of important information"
auto_join: true
user_consent:
require_at_registration: true
policy_name: "Example End User Policy"
template_dir: consent_policy
version: 0.2
server_notice_content:
msgtype: m.text
body: >-
You have to agree to our End User Policy before you can use this
service. Please read and accept it at %(consent_uri)s.
block_events_error: >-
You haven't accepted the End User Policy yet, so you can't post any
messages yet. Please read and accept the policy at %(consent_uri)s.
form_secret: "<secure password>"

9
matrix/synapse/conf.d/turn.yaml
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@ -1,9 +0,0 @@
# This configures the connection to the TURN server
turn_shared_secret: "<secure key>"
turn_uris:
- "turn:turn.example.com?transport=udp"
- "turn:turn.example.com?transport=tcp"
turn_user_lifetime: 86400000
turn_allow_guests: true

34
matrix/synapse/homeserver.yaml
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@ -1,34 +0,0 @@
# Configuration file for Synapse.
#
# This is a YAML file: see [1] for a quick introduction. Note in particular
# that *indentation is important*: all the elements of a list or dictionary
# should have the same indentation.
#
# [1] https://docs.ansible.com/ansible/latest/reference_appendices/YAMLSyntax.html
#
# For more information on how to configure Synapse, including a complete accounting of
# each option, go to docs/usage/configuration/config_documentation.md or
# https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html
#
# This is set in /etc/matrix-synapse/conf.d/server_name.yaml for Debian installations.
# server_name: "SERVERNAME"
pid_file: "/var/run/matrix-synapse.pid"
listeners:
- port: 8008
tls: false
type: http
x_forwarded: true
bind_addresses: ['::1', '127.0.0.1']
resources:
- names:
- client
- consent
- federation
compress: false
#database:
# name: sqlite3
# args:
# database: /var/lib/matrix-synapse/homeserver.db
log_config: "/etc/matrix-synapse/log.yaml"
trusted_key_servers:
- server_name: "matrix.org"

43
matrix/synapse/templates/0.1.html
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@ -1,43 +0,0 @@
<!doctype html>
<html lang="en">
<head>
<title>Example End User Policy</title>
</head>
<body>
{% if has_consented %}
<p>
You have already accepted the Example End User Policy.
</p>
{% else %}
<h1>Example End User Policy</h1>
These are the terms under which you can use this service. Unless you accept these terms, you
will not be allowed to send any messages.
<ol>
<li>You will not be abusive to other users, be they on this server or on an other.
<li>You will not do other nasty stuff.
<li>Basically: you will behave like a good person.
</ol>
We promise you a few things too:
<ol>
<li>We'll keep your data safe
<li>We won't snoop on you
<li>We'll only turn you in with the authorities if you do nasty stuff.
</ol>
If you accept these terms, you can use this system.
{% if not public_version %}
<!-- The variables used here are only provided when the 'u' param is given to the homeserver -->
<form method="post" action="consent">
<input type="hidden" name="v" value="{{version}}"/>
<input type="hidden" name="u" value="{{user}}"/>
<input type="hidden" name="h" value="{{userhmac}}"/>
<input type="submit" value="I accept"/>
</form>
{% endif %}
{% endif %}
</body>
</html>

11
matrix/synapse/templates/success.html
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@ -1,11 +0,0 @@
<!doctype html>
<html lang="en">
<head>
<title>Example End User Policy</title>
</head>
<body>
<p>You have agreed to our End User Policy, you can now use our service.</p>
<p>Have fun!</p>
</body>
</html>

12
matrix/synapse/well-known-client.json
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@ -1,12 +0,0 @@
{
"m.homeserver": {
"base_url": "https://matrix.example.com"
},
"org.matrix.msc4143.rtc_foci":[
{
"type": "livekit",
"livekit_service_url": "https://livekit.example.com"
}
]
}

1
matrix/synapse/well-known-server.json
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@ -1 +0,0 @@
{"m.server": "matrix.example.com"}

17
matrix/synapse/well-known-support.json
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@ -1,17 +0,0 @@
{
"contacts": [
{
"email_address": "admin@example.com",
"matrix_id": "@john:example.com",
"role": "m.role.admin"
},
{
"email_address": "security@example.com",
"matrix_id": "@bob:example.com",
"role": "m.role.security"
}
],
"support_page": "https://support.example.com/"
}

593
matrix/synapse/workers/README.md
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@ -1,593 +0,0 @@
---
gitea: none
include_toc: true
---
# Introduction to a worker-based setup
Very busy servers are brought down because a single thread can't keep up with
the load. So you want to create several threads for different types of work.
See this [Matrix blog](https://matrix.org/blog/2020/11/03/how-we-fixed-synapse-s-scalability/)
for some background information.
The traditional Synapse setup is one monolithic piece of software that does
everything. Joining a very busy room makes a bottleneck, as the server will
spend all its cycles on synchronizing that room.
You can split the server into workers, that are basically Synapse servers
themselves. Redirect specific tasks to them and you have several different
servers doing all kinds of tasks at the same time. A busy room will no longer
freeze the rest.
Workers communicate with each other via UNIX sockets and Redis. We choose
UNIX sockets because they're much more efficient than network sockets. Of
course, if you scale to more than one machine, you will need network sockets
instead.
**Important note**
While the use of workers can drastically improve speed, the law of diminished
returns applies. Splitting off more and more workers will not further improve
speed after a certain point. Plus: you need to understand what the most
resource-consuming tasks are before you can start to plan how many workers for
what tasks you need.
In this document we'll basically create a worker for every task, and several
workers for a few heavy tasks, as an example. You mileage may not only vary, it
will.
Tuning the rest of the machine and network also counts, especially PostgreSQL.
A well-tuned PostgreSQL can make a really big difference and should probably
be considered even before configuring workers.
With workers, PostgreSQL's configuration should be changed accordingly: see
[Tuning PostgreSQL for a Matrix Synapse
server](https://tcpipuk.github.io/postgres/tuning/index.html) for hints and
examples.
A worker-based Synapse is tailor-made, there is no one-size-fits-all approach.
All we can do here is explain how things work, what to consider and how to
build what you need by providing examples.
# Redis
Workers need Redis as part of their communication, so our first step will be
to install Redis.
```
apt install redis-server
```
For less overhead we use a UNIX socket instead of a network connection to
localhost. Disable the TCP listener and enable the socket in
`/etc/redis/redis.conf`:
```
port 0
unixsocket /run/redis/redis-server.sock
unixsocketperm 770
```
Our matrix user (`matrix-synapse`) has to be able to read from and write to
that socket, which is created by Redis and owned by `redis:redis`, so we add
user `matrix-synapse` to the group `redis`. You may come up with a
finer-grained permission solution, but for our example this will do.
```
adduser matrix-synapse redis
```
Restart Redis for these changes to take effect. Check for error messages in
the logs, if port 6379 is no longer active, and if the socketfile
`/run/redis/redis-server.sock` exists.
Now point Synapse at Redis in `conf.d/redis.yaml`:
```
redis:
enabled: true
path: /run/redis/redis-server.sock
```
Restart Synapse and check if it can connect to Redis via the socket, you should find log
entries like this:
```
synapse.replication.tcp.redis - 292 - INFO - sentinel - Connecting to redis server UNIXAddress('/run/redis/redis-server.sock')
synapse.util.httpresourcetree - 56 - INFO - sentinel - Attaching <synapse.replication.http.ReplicationRestResource object at 0x7f95f850d150> to path b'/_synapse/replication'
synapse.replication.tcp.redis - 126 - INFO - sentinel - Connected to redis
synapse.replication.tcp.redis - 138 - INFO - subscribe-replication-0 - Sending redis SUBSCRIBE for ['matrix.example.com/USER_IP', 'matrix.example.com']
synapse.replication.tcp.redis - 141 - INFO - subscribe-replication-0 - Successfully subscribed to redis stream, sending REPLICATE command
synapse.replication.tcp.redis - 146 - INFO - subscribe-replication-0 - REPLICATE successfully sent
```
# Synapse
Workers communicate with each other over sockets, that are all placed in one
directory. These sockets are owned by `matrix-synapse:matrix-synapse`, so make
sure nginx can write to them: add user `www-data` to group `matrix-synapse`
and restart nginx.
Then, make sure systemd creates the directory for the sockets as soon as
Synapse starts:
```
systemctl edit matrix-synapse
```
Now override parts of the `Service` stanza to add these two lines:
```
[Service]
RuntimeDirectory=matrix-synapse
RuntimeDirectoryPreserve=yes
```
The directory `/run/matrix-synapse` will be created as soon
as Synapse starts, and will not be removed on restart or stop, because that
would create problems with workers who suddenly lose their sockets.
Then we change Synapse from listening on `localhost:8008` to listening on a
socket. We'll do most of our workers work in `conf.d/listeners.yaml`, so let's
put the new listener configuration for the main proccess there.
Remove the `localhost:8008` stanza, and configure these two sockets:
```
listeners:
- path: /run/matrix-synapse/inbound_main.sock
mode: 0660
type: http
resources:
- names:
- client
- consent
- federation
- path: /run/matrix-synapse/replication_main.sock
mode: 0660
type: http
resources:
- names:
- replication
```
This means Synapse will create two sockets under `/run/matrix-synapse`: one
for incoming traffic that is forwarded by nginx (`inbound_main.sock`), and one for
communicating with all the other workers (`replication_main.sock`).
If you restart Synapse now, it won't do anything anymore, because nginx is
still forwarding its traffic to `localhost:8008`. We'll get to nginx later,
but for now you should change:
```
proxy_forward http://localhost:8008;
```
to
```
proxy_forward http://unix:/run/matrix-synapse/inbound_main.sock;
```
If you've done this, restart Synapse and nginx, and check if the sockets are created
and have the correct permissions.
Synapse should work normally again, we've switched from network sockets to
UNIX sockets, and added Redis. Now we'll create the actual workers.
# Worker overview
Every worker is, in fact, a Synapse server, only with a limited set of tasks.
Some tasks can be handled by a number of workers, others only by one. Every
worker starts as a normal Synapse process, reading all the normal
configuration files, and then a bit of configuration for the specific worker
itself.
Workers need to communicate with each other and the main process, they do that
via the `replication` sockets under `/run/matrix-synapse` and Redis.
Most worker also need a way to be fed traffic by nginx: they have an `inbound`
socket for that, in the same directory.
Finally, all those replicating workers need to be registered in the main
process: all workers and their replication sockets are listed in the `instance_map`.
## Types of workers
We'll make separate workers for almost every task, and several for the
heaviest tasks: synchronising. An overview of what endpoints are to be
forwarded to a worker is in [Synapse's documentation](https://element-hq.github.io/synapse/latest/workers.html#available-worker-applications).
We'll create the following workers:
* login
* federation_sender
* mediaworker
* userdir
* pusher
* push_rules
* typing
* todevice
* accountdata
* presence
* receipts
* initial_sync: 1 and 2
* normal_sync: 1, 2 and 3
Some of them are `stream_writers`, and the [documentation about
stream_witers](https://element-hq.github.io/synapse/latest/workers.html#stream-writers)
says:
```
Note: The same worker can handle multiple streams, but unless otherwise documented, each stream can only have a single writer.
```
So, stream writers must have unique tasks: you can't have two or more workers
writing to the same stream. Stream writers have to be listed in `stream_writers`:
```
stream_writers:
account_data:
- accountdata
presence:
- presence
receipts:
- receipts
to_device:
- todevice
typing:
- typing
push_rules:
- push_rules
```
As you can see, we've given the stream workers the name of the stream they're
writing to. We could combine all those streams into one worker, which would
probably be enough for most instances.
We could define a worker with the name streamwriter and list it under all
streams instead of a single worker for every stream.
Finally, we have to list all these workers under `instance_map`: their name
and their replication socket:
```
instance_map:
main:
path: "/run/matrix-synapse/replication_main.sock"
login:
path: "/run/matrix-synapse/replication_login.sock"
federation_sender:
path: "/run/matrix-synapse/replication_federation_sender.sock"
mediaworker:
path: "/run/matrix-synapse/replication_mediaworker.sock"
...
normal_sync1:
path: "unix:/run/matrix-synapse/replication_normal_sync1.sock"
normal_sync2:
path: "unix:/run/matrix-synapse/replication_normal_sync2.sock"
normal_sync3:
path: "unix:/run/matrix-synapse/replication_normal_sync3.sock"
```
## Defining a worker
Every working starts with the normal configuration files, and then loads its
own. We put those files under `/etc/matrix-synapse/workers`. You have to
create that directory, and make sure Synapse can read them. Being
profesionally paranoid, we restrict access to that directory and the files in
it:
```
mkdir /etc/matrix-synapse/workers
chown matrix-synapse:matrix-synapse /etc/matrix-synapse/workers
chmod 750 /etc/matrix-synapse-workers
```
We'll fill this directory with `yaml` files; one for each worker.
### Generic worker
Workers look very much the same, very little configuration is needed. This is
what you need:
* name
* replication socket (not every worker needs this)
* inbound socket (not every worker needs this)
* log configuration
One worker we use handles the login actions, this is how it's configured in
/etc/matrix-synapse/workers/login.yaml`:
```
worker_app: "synapse.app.generic_worker"
worker_name: "login"
worker_log_config: "/etc/matrix-synapse/logconf.d/login.yaml"
worker_listeners:
- path: "/run/matrix-synapse/inbound_login.sock"
type: http
resources:
- names:
- client
- consent
- federation
- path: "/run/matrix-synapse/replication_login.sock"
type: http
resources:
- names: [replication]
```
The first line defines the type of worker. In the past there were quite a few
different types, but most of them have been phased out in favour of one
generic worker.
The first listener is the socket where nginx sends all traffic related to logins
to. You have to configure nginx to do that, we'll get to that later.
The `worker_log_config` defines how and where the worker logs. Of course you'll
need to configure that too, see further.
The first `listener` is the inbound socket, that nginx uses to forward login
related traffic to. Make sure nginx can write to this socket. The
`resources` vary between workers.
The second `listener` is used for communication with the other workers and the
main thread. The only `resource` it needs is `replication`. This socket needs
to be listed in the `instance_map` in the main thread, the inbound socket does
not.
Of course, if you need to scale up to the point where you need more than one
machine, these listeners can no longer use UNIX sockets, but will have to use
the network. This creates extra overhead, so you want to use sockets whenever
possible.
### Media worker
The media worker is slightly different than the generic one. It doesn't use the
`synapse.app.generic_worker`, but a specialised one: `synapse.app.media_repository`.
To prevent the main process from handling media itself, you have to explicitly
tell it to leave that to the worker, by adding this to the configuration (in
our setup `conf.d/listeners.yaml`):
```
enable_media_repo: false
media_instance_running_background_jobs: mediaworker
```
The worker `mediaworker` looks like this:
```
worker_app: "synapse.app.media_repository"
worker_name: "mediaworker"
worker_log_config: "/etc/matrix-synapse/logconf.d/media.yaml"
worker_listeners:
- path: "/run/matrix-synapse/inbound_mediaworker.sock"
type: http
resources:
- names: [media]
- path: "/run/matrix-synapse/replication_mediaworker.sock"
type: http
resources:
- names: [replication]
```
If you use more than one mediaworker, know that they must all run on the same
machine; scaling it over more than one machine will not work.
## Worker logging
As stated before, you configure the logging of workers in a separate yaml
file. As with the definitions of the workers themselves, you need a directory for
that. We'll use `/etc/matrix-synapse/logconf.d` for that; make it and fix the
permissions.
```
mkdir /etc/matrix-synapse/logconf.d
chgrp matrix-synapse /etc/matrix-synapse/logconf.d
chmod 750 /etc/matrix-synapse/logconf.d
```
There's a lot you can configure for logging, but for now we'll give every
worker the same layout. Here's the configuration for the `login` worker:
```
version: 1
formatters:
precise:
format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
handlers:
file:
class: logging.handlers.TimedRotatingFileHandler
formatter: precise
filename: /var/log/matrix-synapse/login.log
when: midnight
backupCount: 3
encoding: utf8
buffer:
class: synapse.logging.handlers.PeriodicallyFlushingMemoryHandler
target: file
capacity: 10
flushLevel: 30
period: 5
loggers:
synapse.metrics:
level: WARN
handlers: [buffer]
synapse.replication.tcp:
level: WARN
handlers: [buffer]
synapse.util.caches.lrucache:
level: WARN
handlers: [buffer]
twisted:
level: WARN
handlers: [buffer]
synapse:
level: INFO
handlers: [buffer]
root:
level: INFO
handlers: [buffer]
```
The only thing you need to change if the filename to which the logs are
written. You could create only one configuration and use that in every worker,
but that would mean all logs will end up in the same file, which is probably
not what you want.
See the [Python
documentation](https://docs.python.org/3/library/logging.config.html#configuration-dictionary-schema)
for all the ins and outs of logging.
# Systemd
You want Synapse and its workers managed by systemd. First of all we define a
`target`: a group of services that belong together.
```
systemctl edit --force --full matrix-synapse.target
```
Feed it with this bit:
```
[Unit]
Description=Matrix Synapse with all its workers
After=network.target
[Install]
WantedBy=multi-user.target
```
First add `matrix-synapse.service` to this target by overriding the `WantedBy`
in the unit file. We're overriding and adding a bit more.
```
systemctl edit matrix-synapse.service
```
Add this to the overrides:
```
[Unit]
PartOf=matrix-synapse.target
Before=matrix-synapse-worker
ReloadPropagatedFrom=matrix-synapse.target
[Service]
RuntimeDirectory=matrix-synapse
RuntimeDirectoryMode=0770
RuntimeDirectoryPreserve=yes
[Install]
WantedBy=matrix-synapse.target
```
The additions under `Unit` mean that `matrix-synapse.service` is part of the
target we created earlier, and that is should start before the workers.
Restarting the target means this service must be restarted too.
Under `Service` we define the directory where the sockets live (`/run` is
prefixed automatically), its permissions and that it should not be removed if
the service is stopped.
The `WantedBy` under `Install` includes it in the target. The target itself is
included in `multi-user.target`, so it should always be started in the multi-user
runlevel.
For the workers we're using a template instead of separate unit files for every
single one. Create the template:
```
systemctl edit --full --force matrix-synapse-worker@
```
Mind the `@` at the end, that's not a typo. Fill it with this content:
```
[Unit]
Description=Synapse worker %i
AssertPathExists=/etc/matrix-synapse/workers/%i.yaml
# This service should be restarted when the synapse target is restarted.
PartOf=matrix-synapse.target
ReloadPropagatedFrom=matrix-synapse.target
# if this is started at the same time as the main, let the main process start
# first, to initialise the database schema.
After=matrix-synapse.service
[Service]
Type=notify
NotifyAccess=main
User=matrix-synapse
Group=matrix-synapse
WorkingDirectory=/var/lib/matrix-synapse
ExecStart=/opt/venvs/matrix-synapse/bin/python -m synapse.app.generic_worker --config-path=/etc/matrix-synapse/homeserver.yaml --config-path=/etc/matrix-synapse/conf.d/ --config-path=/etc/matrix-synapse/workers/%i.yaml
ExecReload=/bin/kill -HUP $MAINPID
Restart=always
RestartSec=3
SyslogIdentifier=matrix-synapse-%i
[Install]
WantedBy=matrix-synapse.target
```
Now you can start/stop/restart every worker individually. Starting the `login`
worker would be done by:
```
systemctl start matrix-synapse-worker@login
```
Every worker needs to be enabled and started individually. Quickest way to do
that, is to run a loop in the directory:
```
cd /etc/matrix-synapse/workers
for worker in `ls *yaml | sed -n 's/\.yaml//p'`; do systemctl enable matrix-synapse-worker@$worker; done
```
After a reboot, Synapse and all its workers should be started. But starting
the target should also do that:
```
systemctl start matrix-synapse.target
```
This should start `matrix-synapse.service` first, the main worker. After that
all the workers should be started too. Check if the correct sockets appear and
if there are any error messages in the logs.
# nginx
We may have a lot of workers, but if nginx doesn't forward traffic to the
correct worker(s), it won't work. We're going to have to change nginx's
configuration quite a bit.
See [Deploying a Synapse Homeserver with
Docker](https://tcpipuk.github.io/synapse/deployment/nginx.html) for the
inspiration. This details a Docker installation, which we don't have, but the
reasoning behind it applies to our configuration too.
Here's [how to configure nginx for use with workers](../../nginx/workers).

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worker_app: "synapse.app.generic_worker"
worker_name: "federation_reader1"
worker_log_config: "/etc/matrix-synapse/logconf.d/federation_reader-log.yaml"
worker_listeners:
- path: "/run/matrix-synapse/replication_federation_reader1.sock"
type: http
resources:
- names: [replication]
- path: "/run/matrix-synapse/inbound_federation_reader1.sock"
type: http
resources:
- names: [federation]

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worker_app: "synapse.app.generic_worker"
worker_name: "federation_sender1"
worker_log_config: "/etc/matrix-synapse/logconf.d/federation_sender-log.yaml"
worker_listeners:
- path: "/run/matrix-synapse/replication_federation_sender1.sock"
type: http
resources:
- names: [replication]

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worker_app: "synapse.app.generic_worker"
worker_name: "initial_sync1"
worker_log_config: "/etc/matrix-synapse/logconf.d/initial_sync-log.yaml"
worker_listeners:
- path: "/run/matrix-synapse/inbound_initial_sync1.sock"
type: http
resources:
- names:
- client
- consent
- federation
- path: "/run/matrix-synapse/replication_initial_sync1.sock"
type: http
resources:
- names: [replication]

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version: 1
formatters:
precise:
format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
handlers:
file:
class: logging.handlers.TimedRotatingFileHandler
formatter: precise
filename: /var/log/matrix-synapse/login.log
when: midnight
backupCount: 3
encoding: utf8
buffer:
class: synapse.logging.handlers.PeriodicallyFlushingMemoryHandler
target: file
capacity: 10
flushLevel: 30
period: 5
loggers:
synapse.metrics:
level: WARN
handlers: [buffer]
synapse.replication.tcp:
level: WARN
handlers: [buffer]
synapse.util.caches.lrucache:
level: WARN
handlers: [buffer]
twisted:
level: WARN
handlers: [buffer]
synapse:
level: INFO
handlers: [buffer]
root:
level: INFO
handlers: [buffer]

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worker_app: "synapse.app.generic_worker"
worker_name: "login"
worker_log_config: "/etc/matrix-synapse/logconf.d/login-log.yaml"
worker_listeners:
- path: "/run/matrix-synapse/inbound_login.sock"
type: http
resources:
- names:
- client
- consent
- federation
- path: "/run/matrix-synapse/replication_login.sock"
type: http
resources:
- names: [replication]

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version: 1
formatters:
precise:
format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
handlers:
file:
class: logging.handlers.TimedRotatingFileHandler
formatter: precise
filename: /var/log/matrix-synapse/media.log
when: midnight
backupCount: 3
encoding: utf8
buffer:
class: synapse.logging.handlers.PeriodicallyFlushingMemoryHandler
target: file
capacity: 10
flushLevel: 30
period: 5
loggers:
synapse.metrics:
level: WARN
handlers: [buffer]
synapse.replication.tcp:
level: WARN
handlers: [buffer]
synapse.util.caches.lrucache:
level: WARN
handlers: [buffer]
twisted:
level: WARN
handlers: [buffer]
synapse:
level: INFO
handlers: [buffer]
root:
level: INFO
handlers: [buffer]

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worker_app: "synapse.app.media_repository"
worker_name: "mediaworker"
worker_log_config: "/etc/matrix-synapse/logconf.d/media-log.yaml"
worker_listeners:
- path: "/run/matrix-synapse/inbound_mediaworker.sock"
type: http
resources:
- names: [media]
- path: "/run/matrix-synapse/replication_mediaworker.sock"
type: http
resources:
- names: [replication]

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result
.direnv

92
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@ -1,92 +0,0 @@
# Fediversity web site
This web site is built with a static site generator based on the Nix language [module system](https://nix.dev/tutorials/module-system/).
It has unique features such as:
- correct-by-construction relative links, automatic redirects for moved pages
- correct-by-construction content fields
- customisable templating and content structure, all seamlessly expressed in the Nix language
- correct-by-construction spec-compliant HTML output
- content source organisation independent of output structure
Structured content is managed through Nix expressions, and copy is written in [CommonMark](https://commonmark.org/).
# Contributing
- [Install Nix](https://nix.dev/install-nix)
- [Set up `direnv`](https://github.com/nix-community/nix-direnv#installation)
- Run `direnv allow` in the directory where repository is stored on your machine
> **Note**
>
> This is a security boundary, and allows automatically running code from this repository on your machine.
- Start a live preview in a different terminal:
```bash
devmode
```
This will open your default web browser and automatically reload the page when the source changes.
- Edit any of the files, see [repository layout](#repository-layout) for guidance
# Testing
As a derivation, e.g. for CI:
```bash
nix-build -A tests
```
In the development shell:
```bash
run-tests
```
Running tests in a loop on source code changes:
```bash
test-loop
```
# Repository layout
- [content](./content)
Content of the web site is managed here.
The entry point is [`content/default.nix`](./content/default.nix) and is built to correspond to `index.html` in the result.
All other content sources are automatically included in `imports`, and can be accessed though the `config` module argument.
- [structure](./structure)
Definitions of content data structures, such as pages, articles, menus, collections, etc.
- [presentation](./presentation)
Code specific to how the web site is rendered.
In particular, it encodes the mechanism for distributing content to files, and for putting together files for the final result.
In principle, different output formats (such as RSS feeds) are possible, and would be implemented there.
- [default.nix](./default.nix)
Entry point for building the project.
This is where content, structure, and presentation are wired up.
- [shell.nix](./shell.nix)
Convenience wrapper to enable running `nix-shell` without arguments.
- [lib.nix](./lib.nix)
Reusable convenience functions.
Also exposed under the `lib` attribute in [default.nix](./default.nix).
- [npins](./npins)
Dependencies, managed with [`npins`](https://github.com/andir/npins/).
- [README.md](./README.md)
This file.

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website/assets/images/users.svg
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<svg xmlns="http://www.w3.org/2000/svg" width="72" height="72" viewBox="0 0 24 24" fill="none" stroke="#ff6e00" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" class="feather feather-users"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"></path><circle cx="9" cy="7" r="4"></circle><path d="M23 21v-2a4 4 0 0 0-3-3.87"></path><path d="M16 3.13a4 4 0 0 1 0 7.75"></path></svg>
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59
website/assets/scss/base.scss
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html {
@apply text-base-sm md:text-base;
}
body {
@apply bg-body font-primary font-normal leading-relaxed text-text;
}
h1,
h2,
h3,
h4,
h5,
h6 {
@apply font-secondary font-bold leading-tight text-dark;
}
h1,
.h1 {
@apply text-h1-sm md:text-h1;
}
h2,
.h2 {
@apply text-h2-sm md:text-h2;
}
h3,
.h3 {
@apply text-h3-sm md:text-h3;
}
h4,
.h4 {
@apply text-h4;
}
h5,
.h5 {
@apply text-h5;
}
h6,
.h6 {
@apply text-h6;
}
b,
strong {
@apply font-semibold;
}
code {
@apply after:border-none;
}
blockquote > p {
@apply my-0 #{!important};
}

15
website/assets/scss/buttons.scss
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.btn {
@apply inline-block rounded border border-transparent px-5 py-2 font-semibold capitalize transition;
}
.btn-sm {
@apply rounded-sm px-4 py-1.5 text-sm;
}
.btn-primary {
@apply border-primary bg-primary text-white;
}
.btn-outline-primary {
@apply border-dark text-dark hover:bg-dark bg-transparent hover:text-white;
}

74
website/assets/scss/components.scss
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main {
min-height: 70vh;
}
// section style
.section {
@apply py-24 xl:py-28;
&-sm {
@apply py-16 xl:py-20;
}
}
// container
.container {
@apply mx-auto px-4 2xl:max-w-[1320px];
}
// form style
.form-input {
@apply bg-theme-light text-dark placeholder:text-light focus:border-primary w-full rounded border-transparent px-6 py-4 focus:ring-transparent;
}
.form-label {
@apply font-secondary text-dark mb-4 block text-xl font-normal;
}
// social icons
.social-icons {
@apply space-x-4;
li {
@apply inline-block;
a {
@apply bg-primary flex h-9 w-9 items-center justify-center rounded text-center leading-9 text-white;
svg {
@apply h-5 w-5;
}
}
}
}
// swiper pagination
.swiper-pagination-bullet {
@apply bg-theme-light h-2.5 w-2.5 opacity-100 mx-1.5 #{!important};
&-active {
@apply bg-primary h-4 w-4 #{!important};
}
}
// content style
.content {
@apply prose max-w-none;
@apply prose-headings:mb-[.3em] prose-headings:mt-[.6em] prose-headings:text-dark;
@apply prose-h1:text-h1-sm md:prose-h1:text-h1;
@apply prose-h2:text-h2-sm md:prose-h2:text-h2;
@apply prose-h3:text-h3-sm md:prose-h3:text-h3;
@apply prose-img:max-w-full prose-img:rounded;
@apply prose-hr:border-border;
@apply prose-p:text-base prose-p:text-text;
@apply prose-blockquote:rounded-lg prose-blockquote:border prose-blockquote:border-l-[10px] prose-blockquote:border-primary prose-blockquote:bg-theme-light prose-blockquote:px-8 prose-blockquote:py-10 prose-blockquote:font-secondary prose-blockquote:text-2xl prose-blockquote:not-italic prose-blockquote:text-dark;
@apply prose-pre:rounded-lg prose-pre:bg-theme-light;
@apply prose-code:px-1;
@apply prose-strong:text-dark;
@apply prose-a:text-text prose-a:underline hover:prose-a:text-primary;
@apply prose-li:text-text;
@apply prose-table:relative prose-table:overflow-hidden prose-table:rounded-lg prose-table:before:absolute prose-table:before:left-0 prose-table:before:top-0 prose-table:before:h-full prose-table:before:w-full prose-table:before:rounded-[inherit] prose-table:before:border prose-table:before:content-[""];
@apply prose-thead:border-border prose-thead:bg-theme-light;
@apply prose-th:relative prose-th:z-10 prose-th:px-4 prose-th:py-[18px] prose-th:text-dark;
@apply prose-tr:border-border;
@apply prose-td:relative prose-td:z-10 prose-td:px-3 prose-td:py-[18px];
.btn {
@apply no-underline hover:text-white #{!important};
}
}

127
website/assets/scss/custom.scss
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// Add your own custom styles here
.grid-container {
display: flex;
justify-content: space-between;
}
.column {
flex-basis: calc(50% - 10px); /* Adjust width as necessary */
}
.list {
list-style-type: none;
padding: 0;
}
.list-item {
margin-bottom: 10px;
}
.link {
text-decoration: none;
color: inherit;
}
.title {
font-weight: bold;
}
.hr-list {
border: 0;
border-top: 1px solid #ccc;
margin-top: 5px;
margin-bottom: 5px;
}
.list-item {
display: flex;
justify-content: space-between;
align-items: center;
}
.content {
flex: 1;
}
.link {
text-align: left;
}
.time {
text-align: right;
}
.grid-container {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 20px;
}
.grid-item {
padding: 20px;
}
.header-with-image {
display: flex;
align-items: flex-start;
}
.header-with-image img {
margin-right: 10px;
max-width: 100px; /* Adjust as needed */
max-height: 100px; /* Adjust as needed */
align-items: center;
}
.read-more-link {
color: #FF6E00; /* Use the variable defined in theme.json */
}
.center-wrapper {
display: flex;
justify-content: center;
align-items: center;
}
.grid-container-small {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 20px;
}
.hr-list {
margin-top: 0;
margin-bottom: 0;
margin-right: .5rem;
}
.center-layout {
display: flex;
justify-content: center;
}
.hr-list2 {
border: 20;
border-top: 1px solid #FF6E00;
margin-top: 5px;
margin-bottom: 5px;
}
.header-with-image2 {
text-align: center;
}
.header-with-image2 img {
display: inline-block;
}
.line {
border-top: 1px solid #FF6E00; /* Change color and thickness as needed */
margin: 10px 0; /* Adjust spacing between the line and the divs */
}

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