The Last Line of Defense
summary
Covers tools and techniques to limit damage when usual defenses fail, aimed at everyday sysadmins. Describes attack methods briefly and then focuses on mitigation features available in Fedora Core 3 / RHEL4—ExecShield, Position Independent Executables (PIE) and SELinux—and explains how to customize SELinux for daily server use using Booleans and security contexts, with a web‑server example.
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