Linux/BSD kernel tuning and network security hardening optimizations

Improve the performance of your linux and/or BSD server to the maximum with these settings files.

Intended use for dedicated server systems at high-speed networks with loads of RAM and bandwidth available.
Optimised and tuned for high-performance web/ftp/mail/dns servers with high connection-rates

Linux: sysctl.conf

BSD: sysctl.conf

More background information at the official Wikipedia page: http://en.wikipedia.org/wiki/Sysctl