Common Port Numbers and Protocols

With a plethora of port numbers that are used in a corporate networks, remembering every single one can be daunting. Use this ready reference anytime you need to locate a port number for a Microsoft service / program.

http://support.microsoft.com/kb/832017#5

For information about configuring Windows Firewall, visit the following Microsoft Web sites:

http://technet2.microsoft.com/windowsserver/en/library/6490c9fc-6c06-4304-b61c-5577af1445d01033.mspx

http://technet.microsoft.com/en-us/network/bb545423.aspx