How to manually open ports in Internet Connection Firewall in Windows XP?
Follow the instructions to manually open ports in Internet Connection Firewall in Windows XP:
Click ‘Start’ , and then click ‘My Network Places’ .
Under ‘Network Tasks’, click ‘View Network Connections’.(Or, right-click ‘My Network Places’ on the desktop, and then click ‘Properties’ .)
Right-click the connection that you use for the Internet, and then click ‘Properties’ .
Click the ‘Advanced’ tab, and then click ‘Settings’. Note If the ‘Settings’ button is unavailable, ICF is not enabled on this connection, and you do not have to open any ports (because they are all already open).
Click ‘Add’ to open a new port.
In the ‘Description’ box, type a friendly name. For example, type ‘File Sharing : Port 445’ .
In the Name or IP address of the computer hosting this service on your network box, type ‘127.0.0.1’. Note You can specify the IP address of an internal computer. But you typically will use 127.0.0.1.
In the External port and Internal port boxes, type the port number. Generally, this number is the same.
Click either ‘TCP’ or ‘UDP’ , and then click ‘OK’ .
Repeat steps 1 through 9 for each port that you want to open.
Note that if the Settings button is unavailable, ICF is not enabled and you do not have to open any ports because they are already open.