Benjamin Yule Bädorf
ef94681e11
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97 lines
3.1 KiB
Nix
97 lines
3.1 KiB
Nix
{ flake, config, lib, ... }:
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{
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age.secrets."coturn-static-auth-secret" = {
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file = "${flake.self}/secrets/coturn-static-auth-secret.age";
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mode = "400";
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owner = "turnserver";
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};
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services.coturn = rec {
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enable = true;
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no-cli = true;
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no-tcp-relay = true;
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min-port = 49000;
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max-port = 50000;
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use-auth-secret = true;
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static-auth-secret-file = "/run/agenix/coturn-static-auth-secret";
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realm = "turn.pub.solar";
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cert = "${config.security.acme.certs.${realm}.directory}/full.pem";
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pkey = "${config.security.acme.certs.${realm}.directory}/key.pem";
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extraConfig =
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let
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externalIPv4s = lib.strings.concatMapStringsSep "\n" ({ address, ... }: "external-ip=${address}") config.networking.interfaces.enp35s0.ipv4.addresses;
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externalIPv6s = lib.strings.concatMapStringsSep "\n" ({ address, ... }: "external-ip=${address}") config.networking.interfaces.enp35s0.ipv6.addresses;
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in
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''
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${externalIPv4s}
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${externalIPv6s}
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no-tlsv1
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no-tlsv1_1
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no-rfc5780
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response-origin-only-with-rfc5780
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prod
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no-stun-backward-compatibility
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# ban private IP ranges
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no-multicast-peers
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denied-peer-ip=0.0.0.0-0.255.255.255
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denied-peer-ip=10.0.0.0-10.255.255.255
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denied-peer-ip=100.64.0.0-100.127.255.255
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denied-peer-ip=127.0.0.0-127.255.255.255
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denied-peer-ip=169.254.0.0-169.254.255.255
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denied-peer-ip=172.16.0.0-172.31.255.255
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denied-peer-ip=192.0.0.0-192.0.0.255
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denied-peer-ip=192.0.2.0-192.0.2.255
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denied-peer-ip=192.88.99.0-192.88.99.255
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denied-peer-ip=192.168.0.0-192.168.255.255
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denied-peer-ip=198.18.0.0-198.19.255.255
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denied-peer-ip=198.51.100.0-198.51.100.255
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denied-peer-ip=203.0.113.0-203.0.113.255
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denied-peer-ip=240.0.0.0-255.255.255.255
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denied-peer-ip=::1
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denied-peer-ip=64:ff9b::-64:ff9b::ffff:ffff
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denied-peer-ip=::ffff:0.0.0.0-::ffff:255.255.255.255
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denied-peer-ip=100::-100::ffff:ffff:ffff:ffff
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denied-peer-ip=2001::-2001:1ff:ffff:ffff:ffff:ffff:ffff:ffff
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denied-peer-ip=2002::-2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
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denied-peer-ip=fc00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
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denied-peer-ip=fe80::-febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff
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'';
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};
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networking.firewall = {
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interfaces.enp35s0 =
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let
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range = with config.services.coturn; [{
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from = min-port;
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to = max-port;
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}];
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in
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{
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allowedUDPPortRanges = range;
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allowedUDPPorts = [ 3478 5349 ];
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allowedTCPPortRanges = [ ];
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allowedTCPPorts = [ 3478 5349 ];
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};
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};
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# get a certificate
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security.acme.certs.${config.services.coturn.realm} = {
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/* insert here the right configuration to obtain a certificate */
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postRun = "systemctl restart coturn.service";
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group = "turnserver";
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};
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services.nginx.virtualHosts.${config.services.coturn.realm} = {
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enableACME = true;
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addSSL = true;
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globalRedirect = "pub.solar";
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};
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users.users.nginx.extraGroups = [ "turnserver" ];
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}
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