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Settings for port maintenance on WinNT 4.0

The answer to the May 6 question regarding how to open and close ports addressed where the settings were for Windows 2000. Can you also cover specifically Window NT 4.0?

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Yes, you can manage ports individually from NT or Windows 2000. Here's how:

NT -- Open up the TCP/IP properties of your network adapter and check the "enable security" option. Click the advanced tab and you will have the ability to permit/deny individual TCP/IP/udp ports.

Windows 2000 -- Open up the TCP/IP properties of your network adapter and go to advanced. Next go to the option tab and select "TCP/IP filtering." You will now have the option to enable individual port filtering.

For more information on this topic, visit these other SearchSecurity resources:
Ask the Expert: Explanation of ports
Best Web Links: Firewalls
Best Web Links: Securing Microsoft products

This was first published in May 2002

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