Configuring Windows XP Firewall for OpenSSH

If you install OpenSSH for Windows on a Windows XP system with Windows Firewall activated, which is automatically activated if you install Service Pack 2 on the system, so that you can have the system function as an SSH server, then you need to add an exception to the Windows XP Firewall settings on the system. To do so, take the following steps.
  1. Click on Start.
  2. Select Control Panel.
  3. Double Click on Security Center.
  4. At the bottom of the Windows Security Center window, you will see "Manage security settings for" with "Windows Firewall" listed below it. Click on Windows Firewall.

    XP Security Center

  5. In the Windows Firewall window, make sure that "Don't allow exceptions" is not checked and click on the Exceptions tab.

    XP Windows Firewall

  6. At the Exceptions window, click on Add Port.

    XP Windows Firewall Exceptions

  7. At the Add a Port window type a description in the Name field, e.g. OpenSSH or whatever you wish and then put 22 in the Port number field, if you are using the default SSH port, and click on TCP to select it.

    XP Windows Firewall - Add ssh port

  8. Click on the Change scope button.
  9. If you want to allow SSH connectivity from any address, click on OK. Otherwise, at the Change Scope window, click on Custom list to select it and put in the IP address of a particular system that should be allowed access, e.g. 192.168.0.55 and then click on OK. If you wanted to allow access only from other systems on the same LAN, you could select My network (subnet) only instead of Custom list
  10. Then click on OK again to close the Add a Program window and then OK to close the Windows Firewall Window.

 

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Created: September 1, 2005