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Remove All Firewall Programs While
Troubleshooting
Personal firewall programs such as BlackICE, Norton Internet
Security, Sygate Personal Firewall, Tiny Personal Firewall, or
ZoneAlarm protect you computer and your network from access by
other people on the Internet. However, if the firewall is not
configured correctly, it can do its job too well, preventing
access by you to your own computers, as well.
The only way to be sure that a firewall isn’t causing your
network problems is to completely remove it while
troubleshooting. If that solves the problems, consult the
firewall program’s documentation for how to configure it to
allow normal LAN access while protecting your network against
outside access.
Here’s how to do it, with examples showing how to remove
ZoneAlarm Version 2.6 from Windows XP. The steps should be
similar for other firewalls:
1. Disable the firewall. For ZoneAlarm,
right-click the system tray icon and select Shutdown
ZoneAlarm.
2. Un-install the firewall, using the procedure provided
by the manufacturer. This procedure is usually available
in Control Panel | Add or Remove Programs. Click the
program name and then click Change/Remove.
3. Reboot the computer.
4. Disable any remnants of the firewall:
a) Click Start | Run, type msconfig in the box, and click
OK. |
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b) Click the Startup tab and un-check
the box next to any remaining items related to the
un-installed firewall.
c) Click Apply and Close to exit.
5. Reboot the computer.
Don’t re-install the firewall until you’ve fixed the
network problems.
If you’re concerned about other Internet users accessing
your network while the firewall is removed, disable your
Internet connection.
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