Windows Firewall: Windows Media server
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2
Add TCP ports 80, 554, and 1755 to the Windows Firewall exceptions list.
Add UDP ports 1755, 2460, 5004, and 5005 to the Windows Firewall exceptions list.