Thursday, May 7, 2009

Firewall hack

Ever encountered a system where the group policy prevents you from enabling the firewall? Sounds lame and ironic but it happened to me. I feel naked and insecure without a host-based firewall so I had to figure out how to crack the policy and turn on the firewall.
Hack to enable Windows Firewall. Here are the instructions.
  1. Click "Start" then "Run". Type in "regedit".
  2. Back up your registry by clicking "File" then "Export".
  3. Drill down to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\" and delete the key "EnableFirewall".
  4. Drill down to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\" and delete the key "EnableFirewall".
  5. Reboot Windows, login and turn on Windows Firewall.

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