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Internet Security & Firewalls Guide - Internet Security & Firewalls - Page 5

The Internet. It's something you depend on, something which you use as a hobby, something you use as a job or just something you use for leisure. But, how secure is your Internet connection against hackers and spyware? Maybe you need a software or hardware firewall? Listen up as Sevan tells us everything we need to know about this very issue!

By: | Guides | Posted: Aug 22, 2001 4:00 am

Trojan Horse Probes & Conclusion


To find out what ports are currently open on your machine, type the following in an MS-DOS prompt to see the 1234 'listening port":


netcat -L -p 1234


If you want to findout the owner of a specific ip address, go to one of the following addresses below:


Here are many ports that Trojans use in order to work.


555 - phAse zero


1243 - Sub-7, SubSeven


3129 - Masters Paradise


6670 - DepThroat


6711 - Sub-7, SubSeven


6969 - Gatecrasher


21544 - GirlFriend


12345 - NetBus


23456 - EvilFtp


27374 - Sub-7, SubSeven


30100 - NetSphere


31789 - Hack'a'Tack


31337 - BackOrifice, and many others


50505 - Sockets de Troie


In addition, here are some ports that many games need to use in order to operate correctly.


7777 - Unreal, Klingon Honor Guard


7778 - Unreal Tournament


22450 - Sin


26000 - Quake


26900 - Hexen 2


26950 - HexenWorld


27015 - Half-life, Team Fortress Classic


27500 - QuakeWorld


27910 - Quake 2


28000 - 28008 - Starsiege Tribes


28910 - Heretic 2


Now you should have a better idea of how to protect yourself while you surf the Internet, be it at home or in the office. I hope you had fun reading this article and will use it for future references to help protect you and your valuable information.


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