Allowing VPN Access under Windows XP Service Pack 2

When Service Pack 2 for Windows XP is first installed, it turns on the Windows XPFirewall by default. When the Windows XPFirewall is turn on, the Cisco VPN client is unable to connect to the remote host to make a connection. The following instructions opens the port necessary for the VPN client to connect to the remote host.

To configure the new Windows XP firewall to allow the Cisco VPN client to work correctly an exception must be added.

• From the Control Panel, choose Security Center.
  
• Under "Manage Security Settings for:" select Windows Firewall.
  
• Choose the Exceptions tab and Add Port…
  Enter the Name: Cisco VPN
  Port Number: 62515
  Select UDP
  
• Choose OK to accept the new exception.
  
• Choose OK again to exit Firewall settings.