First test
This commit is contained in:
parent
dd89642966
commit
efaa107cc2
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@ -7,7 +7,7 @@
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outputs = { self, nixpkgs, snf, disko }:
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outputs = { self, nixpkgs, snf, disko }:
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let
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let
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vmName = "vm02186";
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vmName = "fedi01";
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in {
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in {
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nixosConfigurations.${vmName} = nixpkgs.lib.nixosSystem {
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nixosConfigurations.${vmName} = nixpkgs.lib.nixosSystem {
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@ -2,6 +2,7 @@
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{
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{
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imports = [ (modulesPath + "/profiles/qemu-guest.nix")];
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imports = [ (modulesPath + "/profiles/qemu-guest.nix")];
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services.qemuGuest.enable = true;
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boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
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boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
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boot.initrd.kernelModules = [ "dm-snapshot" ];
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boot.initrd.kernelModules = [ "dm-snapshot" ];
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@ -6,14 +6,14 @@
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boot.loader.efi.canTouchEfiVariables = true;
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boot.loader.efi.canTouchEfiVariables = true;
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networking = {
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networking = {
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hostName = "vm02186";
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hostName = "fedi01";
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domain = "procolix.com";
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domain = "procolix.com";
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interfaces = {
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interfaces = {
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eth0 = {
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eth0 = {
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ipv4 = {
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ipv4 = {
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addresses = [
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addresses = [
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{
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{
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address = "185.206.232.186";
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address = "95.215.187.101";
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prefixLength = 24;
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prefixLength = 24;
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}
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}
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];
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];
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@ -21,7 +21,7 @@
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ipv6 = {
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ipv6 = {
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addresses = [
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addresses = [
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{
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{
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address = "2a00:51c0:12:1201::186";
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address = "2a00:51c0:13:1305::101";
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prefixLength = 64;
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prefixLength = 64;
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}
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}
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];
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];
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@ -29,91 +29,16 @@
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};
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};
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};
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};
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defaultGateway = {
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defaultGateway = {
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address = "185.206.232.1";
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address = "95.215.187.1";
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interface = "eth0";
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interface = "eth0";
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};
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};
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defaultGateway6 = {
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defaultGateway6 = {
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address = "2a00:51c0:12:1201::1";
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address = "2a00:51c0:13:1305::1";
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interface = "eth0";
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interface = "eth0";
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};
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};
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nameservers = [ "95.215.185.6" "95.215.185.7" ];
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# nameservers = [ "95.215.185.6" "95.215.185.7" ];
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firewall.enable = false;
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# firewall.enable = false;
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nftables = {
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enable = true;
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ruleset = ''
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#!/usr/sbin/nft -f
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flush ruleset
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########### define usefull variables here #####################
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define wan = eth0
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define ssh_allow = {
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83.161.147.127/32, # host801 ipv4
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95.215.185.92/32, # host088 ipv4
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95.215.185.211/32, # host089 ipv4
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95.215.185.34/32, # nagios2 ipv4
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95.215.185.181/32, # ansible.procolix.com
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95.215.185.235/32, # ansible-hq
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}
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define snmp_allow = {
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95.215.185.31/32, # cacti ipv4
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}
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define nrpe_allow = {
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95.215.185.34/32, # nagios2 ipv4
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}
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########### here starts the automated bit #####################
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table inet filter {
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chain input {
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type filter hook input priority 0;
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policy drop;
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# established/related connections
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ct state established,related accept
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ct state invalid drop
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# Limit ping requests.
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ip protocol icmp icmp type echo-request limit rate over 10/second burst 50 packets drop
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ip6 nexthdr icmpv6 icmpv6 type echo-request limit rate over 10/second burst 50 packets drop
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# loopback interface
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iifname lo accept
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# icmp
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ip protocol icmp icmp type { destination-unreachable, echo-reply, echo-request, source-quench, time-exceeded } accept
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# Without the nd-* ones ipv6 will not work.
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ip6 nexthdr icmpv6 icmpv6 type { destination-unreachable, echo-reply, echo-request, nd-neighbor-solicit, nd-router-advert, nd-neighbor-advert, packet-too-big, parameter-problem, time-exceeded } accept
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# open tcp ports: sshd (22)
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tcp dport {ssh} accept
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# open tcp ports: snmp (161)
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ip saddr $snmp_allow udp dport {snmp} accept
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# open tcp ports: nrpe (5666)
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ip saddr $nrpe_allow tcp dport {nrpe} accept
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# open tcp ports: http (80,443)
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tcp dport {http,https} accept
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}
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chain forward {
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type filter hook forward priority 0;
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}
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chain output {
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type filter hook output priority 0;
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}
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}
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table ip nat {
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chain postrouting {
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}
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chain prerouting {
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}
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}
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'';
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};
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};
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};
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# Set your time zone.
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# Set your time zone.
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time.timeZone = "Europe/Amsterdam";
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time.timeZone = "Europe/Amsterdam";
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