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Chicago Tribune: Protecting your Linux machine from the big, bad Internet

Jan 31, 2000, 05:41 (8 Talkback[s])
(Other stories by V. Navratilova)

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"Whenever you're on the Internet, you face the risk of hackers and crackers taking over your system, deleting your files or hijacking your computer accounts for use in taking over other machines."

"How can you protect yourself? Instead of running for the hills with your shotgun and leftover Y2K rations, you can use a feature of your Linux kernel that will keep others from connecting to the most vulnerable network ports of your machine. Doing so will help compensate for the fact that Linux network code isn't always completely secure...."

"IP Chains (ipchains) is a traffic filtering package that comes with the 2.1.102 Linux kernel (and above) that can block Internet hackers from cracking into your computer when you're online. It's usually precompiled in your distribution's initially installed kernel, but you should double-check to see that it has been activated on your system."

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