AppArmor Hardening systems with AppArmor

Apr 30, 2006

After penetrating a remote system, intruders might think they are home and dry, but AppArmor spoils the fun, locking the miscreants in a virtual cage.

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Books

Mar 31, 2006
Security and Usability The TCP/ IP Guide: A Comprehensive, Illustrated Internet Protocols Reference Moving to Linux:......
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Netfilter L7 Blocking protocols at Layer 7 with the L7 patch

Feb 28, 2006

If you need a tool for filtering protocols that doesn’t depend on the port, try L7, an IPTables patch that operates through regular expressions.

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Charly's Column The Sysadmin’s Daily Grind: Webalizer Xtended

Feb 28, 2006

Webalizer is a tool for analyzing web server logfiles. A new patch lets admins see what isn’t there.

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Charly's Column The Sysadmin’s Daily Grind: Mod_evasive

Dec 31, 2005

The Apache web server can fight back against DoS attacks. You just need a little help from Mod_evasive.

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Nmap Methods Understanding Nmap analysis techniques

Dec 31, 2005

How does the popular Nmap scanner identify holes in network security? In this article, we examine some Nmap analysis techniques.

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Charly's Column The Sysadmin’s Daily Grind: Sarg

Nov 30, 2005

A busy proxy server is something that no self-respecting admin should leave to its own devices. The Squid logfile analyzer, dubbed Sarg by its author, helps you keep your Squid servers on track.

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Charly's Column The Sysadmin’s Daily Grind: Tor

Oct 31, 2005

Some people don’t mind leaving traces of their IP address wherever they go, others prefer to use a tool like The Onion Router.

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