simple LKMs fixing some vulnerabilities, without the need to upgrade or patch kernel.
some fixes for incompatibility caused by grsecurity
customized distribution of the Knoppix Live Linux CD
adds full, fine-grained array bounds and pointer checking to GCC (C only)
Bandwidth & Request Throttling for Apache 1.3
provide evasive action in the event of an HTTP DoS or DDoS attack or brute force attack