this may help. quoted from
http://www.ChicagoTech.net
XP SP2 enables firewall by default
To help protect XP computer against viruses or security threats, XP SP2
enables firewall by default. If you experience some issues after installing
XP SP2, you may want to adjust firewall settings.
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For more and other information, go to
http://www.ChicagoTech.net
Don't send e-mail or reply to me except you need consulting services.
Posting on MS newsgroup will benefit all readers and you may get more help.
Robert Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN, Anti-Virus, Tips & Troubleshooting on
http://www.ChicagoTech.net
This posting is provided "AS IS" with no warranties.