Unreal Tournament server
IN UDP 7777 (default gameplay port)
IN UDP 7778 (server query port
IN UDP 7779+ (UDP 7779+ are allocated dynamically for each helper UdpLink objects, including UdpServerUplin objects. Try starting with 7779-7781 and add ports if needed.))
IN UDP 27900 (server query, if master server uplink is enabled. Some master servers use other ports, like 27500)
IN TCP 8080
(Port 8080 is for UT Server Admin. In the [UWeb.WebServer] section of the server.ini file, set the ListenPort to 8080 (to match the mapped port above) and ServerName to the IP assigned to the router from your ISP.

(direct from practicallynetworked.com)