{ config, ... }:
{
  services.coturn = {
    enable = true;
    lt-cred-mech = true;
    use-auth-secret = true;
    static-auth-secret = builtins.toString config.secrets.files.synapse_turn_shared_secret.file;
    realm = "turn.graven.dev";
    relay-ips = [
      "65.21.58.38"
      "2a01:4f9:c010:34cb::1"
    ];
    no-tcp-relay = true;
    extraConfig = "
    cipher-list=\"HIGH\"
    no-loopback-peers
    no-multicast-peers
    ";
    secure-stun = true;
    cert = "/var/lib/acme/graven.dev/fullchain.pem";
    pkey = "/var/lib/acme/graven.dev/key.pem";
    min-port = 49152;
    max-port = 49999;
  };
}