This tool locks down Linux and UNIX systems.
Bastille Linux is a Hardening and Reporting/Auditing Program which enhances the security of a Linux box, by configuring daemons, system settings and firewalling. It currently functions on most major Linux distributions and HP-UX. In the past, it has hardened Mac OSX as well. We are working on a code update to modern Linux distributions.
HTTP proxy to block ads and customize webpages
Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks.
chainssh is a shell script to smplify the ssh login via multiple sshgateways/firewallgateaways. e.g. connect from homehost via sshgateway to a clusternode with one command.
The TruongQuangDuocIDS (tqdids) is an IDS that works on multi-platform, from Solaris/SPARC to HP-UX/Alpha. This IDS has features like other IDSs (snort etc.) but it has a special feature inside the binary-pattern-matching algorithm that makes it faster.