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LinuxMall.com: Securing Linux and IP-Masquerading

Mar 14, 2000, 20:03 (5 Talkback[s])
(Other stories by Joshua Drake)

[ Thanks to LinuxMall.com News Editor for this link. ]

"Linux, with its UNIX roots and ease of network setup, is becoming the preferred method of connecting to and protecting small networks from the Internet. Although there are several technologies that allow Linux to do this, the simplest is IP Masquerading...."

"Using Linux as a Masquerading Firewall is a natural choice because Linux is generally more stable and secure than Windows. However, this can generate confidence that sometimes leads people to be lax in their security configurations. Although Linux is more secure than many other operating systems, it is not impenetrable. Generally, if a Linux machine is left in its default installed configuration, it will eventually be cracked...."

"Another step in securing your Linux machine is to think in advance about what your machine will be doing. Will this machine be a mail server? Will you need telnet access to it? Is it only a masquerading server and do you have console access? If you ask yourself these questions, and answer them honestly, you will find it is very simple to provide a Linux-based masquerading machine that is reasonably secure."

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