Windows Firewall: NNTP (Usenet news) server
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2
Add TCP port 119 to the Windows Firewall exceptions list.
For Secure Sockets Layer (SSL) requests, add TCP port 563 to the Windows Firewall exceptions list.