Linux security: Top 10 tips

Harden your Linux security further with these tips on Bash, the command line, PAM, Novell's AppArmor and more.

Get the best advice on PAM, managing Bash from the command line, SELinux and more. Then, if you want to go deeper, check out our Learning guide: Linux and open source security or ask an expert for security advice.

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10 Linux security tips in 10 minutes 

 Red Hat: Pass phrases instead of passwords
 PAM: Account locking for Linux
 Shell game: Managing Bash command history
 BackTrack: The must-have free security tool
 OSSEC: Host intrusion detection
 Linux and IT infrastructures: Avoiding security blunders
 SELinux Policy Editor: Removing micromanagement from administrative control
 YaST control center: Novell AppArmor
 OpenVPN: IPSec-like security with IPSec-less simplicity
 SUSE security:  Forgotten passwords, AppArmor

 

 

Need an answer? Ask an expert   
 
 James Turnbull, Linux security expert
James Turnbull works for the National Australia Bank as a Security Architect. He is also the author of Hardening Linux, which focuses on hardening Linux hosts including the base operating system, file systems, firewalling, connections, logging, testing your security and securing a number of common applications including e-mail, FTP and DNS. He is also the author of Pro Nagios 2.0, a book that looks at enterprise management using the Nagios open source tool.
 

This was first published in March 2007

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