Vista / Server 2008: Enable or Disable Firewall from the Command Line
Contributed by Rob Rogers 
Tagged: Microsoft Vista Instead of using the GUI, you can enable and disable the Windows Firewall from the command line. A must for any command line junkie.
You will need to use an elevated command prompt to do this.
1. Click the Start button.
2. Click All Programs and select Accessories.
3. Right-click Command Prompt and select Run as administrator.
To Enable the Windows Firewall, use the following:
netsh advfirewall set currentprofile state on
To Disable the Windows Firewall, use the following:
netsh advfirewall set currentprofile state off
After the command has been executed, the prompt will return an Ok when the Firewall has been enabled/disabled.
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dannystaple said on April 30, 2009
Thanks so much. This turned out to be the only sane way to talk someone over the phone through disabling an auto-enabled software firewall (we already have hardware ones).