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Replacing Telnet: OpenSSH, a secure alternative - http://freeos.com/articles/2745/
A step-by-step guide to setting up and using OpenSSH instead of telnet on your Linux box. |
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Linux Journal: Creating a Linux Firewall Using the TIS Firewall Toolkit - http://www.linuxjournal.com/article/1204
Benjamin Ewy explains very thoroughly how to build your own `bastion host' firewall with Linux using the Trusted Information Systems Firewall Toolkit. |
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A Bit About Security - http://linuxgazette.net/issue24/berglund.html
Brief discussion on what to check to ensure Linux system security, by Marcus Berglund, Linux Gazette January 1998. |
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Securing Your Linux Box - http://linuxgazette.net/issue34/vertes.html
Introduction to securing a Linux box, by Peter Vertes, Linux Gazette November 1998. |
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More Linux Security - http://linuxgazette.net/issue16/security.html
An introductory article on Linux security, by Andrew Berkheimer, Linux Gazette April 1997. |