89 lines
2.7 KiB
Nix
89 lines
2.7 KiB
Nix
{ config, ... }:
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let
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# sudo mkdir -p /var/lib/acme-turn
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# sudo chown -R acme:caddy /var/lib/acme-turn
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turnAcmeDir = "/var/lib/acme-turn";
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in
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{
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users.users.caddy.extraGroups = [
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config.systemd.services.coturn.serviceConfig.Group # caddy user needs to be part of coturn's group for certs
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];
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services = {
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caddy.virtualHosts.${config.services.coturn.realm} = {
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extraConfig = ''
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root /.well-known/acme-challenge/* ${turnAcmeDir}
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file_server
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'';
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useACMEHost = config.services.coturn.realm;
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};
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coturn = rec {
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enable = true;
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no-cli = true;
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no-tcp-relay = true;
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min-port = 49000;
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max-port = 50000;
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use-auth-secret = true;
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static-auth-secret-file = "/etc/secrets/coturn";
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realm = "turn.catnip.ee";
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cert = "${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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# for debugging
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verbose
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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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};
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security.acme.certs.${config.services.coturn.realm} = {
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webroot = turnAcmeDir;
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postRun = "systemctl restart coturn.service";
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group = config.systemd.services.coturn.serviceConfig.Group;
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};
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networking.firewall = {
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allowedUDPPortRanges = with config.services.coturn; [
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{
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from = min-port;
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to = max-port;
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}
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];
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allowedUDPPorts = [
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# coturn
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3478
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5349
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];
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allowedTCPPorts = [
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# coturn
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3478
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5349
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];
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};
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}
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