BreadCrumbs: Windows XP Firewall
Windows XP Firewall
From Luke Jackson
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Summary
XP Service pack 2 enables the firewall by default. I personally suggest you do not disable the firewall as it was put there for a reason but...
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Via Command Prompt
To turn the firewall Off
netsh firewall set opmode disable
To turn the firewall On
netsh firewall set opmode enable