{ config, lib, pkgs, ... }: {
  networking.firewall.allowedUDPPorts = [
    3478  # Headscale DERP UDP
    10000 # Jitsi
  ];
  networking.firewall.allowedTCPPorts = [
    80    # HTTP
    443   # HTTPS
    42420 # Vintage Story
    25565 # Minecraft
    1443  # Headscale DERP
    4443  # jitsi-jvb
    5222  # Jitsi
    5347  # Jitsi
    5280  # Jitsi
    25   # Mailserver
    143  # Mailserver
    465  # Mailserver
    587  # Mailserver
    993  # Mailserver
    4190 # Mailserver
  ];
}