nix-infra/config/hosts/coturn/coturn.nix

{ config, ... }:
{
  services.coturn = {
    enable = true;
    min-port = 49200;
    max-port = 49500;
    use-auth-secret = true;
    static-auth-secret-file = "/secrets/static-auth-secret.secret";
    realm = "turn.nekover.se";
    cert = "${config.security.acme.certs."turn.nekover.se".directory}/fullchain.pem";
    pkey = "${config.security.acme.certs."turn.nekover.se".directory}/key.pem";
    no-tcp-relay = true;
    no-cli = true;
    extraConfig = ''
      external-ip=170.133.2.81/10.202.41.118
      prometheus
      syslog

      no-tlsv1
      no-tlsv1_1

      denied-peer-ip=10.0.0.0-10.255.255.255
      denied-peer-ip=192.168.0.0-192.168.255.255
      denied-peer-ip=172.16.0.0-172.31.255.255

      no-multicast-peers
      denied-peer-ip=0.0.0.0-0.255.255.255
      denied-peer-ip=100.64.0.0-100.127.255.255
      denied-peer-ip=127.0.0.0-127.255.255.255
      denied-peer-ip=169.254.0.0-169.254.255.255
      denied-peer-ip=192.0.0.0-192.0.0.255
      denied-peer-ip=192.0.2.0-192.0.2.255
      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=198.51.100.0-198.51.100.255
      denied-peer-ip=203.0.113.0-203.0.113.255
      denied-peer-ip=240.0.0.0-255.255.255.255

      allowed-peer-ip=10.202.41.118

      user-quota=12
      total-quota=1200
    '';
  };
}