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How to disable the Windows firewall from the commandline

There are many Network Administration tasks that can't be accomplished when the Windows Firewall is enabled. Since the release of XP SP2 the Firewall is enabled by default. Here is a way to disable the firewall from the commandline which can be very usefull.

Prerequisites

You must have access to the PC you want to disable the Firewall on.
Possible options: Local access, a remote shell like telnet, or you must have admin access to the computer and be on another computer within the same subnet (this requires PSEXEC).


XP

Checking the Firewall Status

The 'NetSH' command allows us to check the firewall status.

netsh firewall show opmode


Disabling the Firewall

netsh firewall set opmode DISABLE

Enabling the Firewall

netsh firewall set opmode ENABLE


Windows 7

Checking Firewall Status

netsh advfirewall show profiles state

Where profiles is AllProfiles, CurrentProfile, DomainProfile, PrivateProfile, or PublicProfile.


Disabling the Firewall

netsh advfirewall set profiles state off


Enabling the Firewall

netsh advfirewall set profiles state on


Notes

1) You can also disable the Windows Firewall via Group Policy if your computers are on a Windows 2000+ domain.