Snort2Pf is a small Perl daemon which greps Snort's alertfile and blocks the "naughty" hosts for a given amount of time using pfctl.
SSS is a simple socks server written in perl that implements the SOCKS v5 protocol.
Web Manager Firewall/Proxy for FreeBSD
EasyBSD is a modular automation script designed to assist in the extensive post installation process that is required in FreeBSD. The following are modules that are included with EasyBSD, Checks, Update, Security, Networking, Firewall, and more...
BMHT is a method of target tracking that allows decisions to be adjusted and refined until enough data has been collected to ensure a level of confidence.
DaemonWall is an OpenBSD-based network security live CD which can act as an Internet firewall/gateway.
INSTALL7 is a post installation script that automates several key areas and procedures involved in updating and securing FreeBSD. Updating the source and ports, securing system, and the configuration of pf firewall.
intranetadmin is a group of scripts to administrate a intranet. it's based on FreeBSD, PHP, Perl, C and shell scripts.
An easy-to-use, self-configuring OpenBSD-based firewall with a web interface.
A package of scripts to watch for snort alerts, change / create firewall rules to block high priority alerts, and record recent blocks. It will increase block times based on previously recorded blocks
Compact FreeBSD distribution for flash card based wireless boxes.
inundator is a tool used to anonymously inundate intrusion detection logs with false positives to obfuscate a real attack, leaving the IDS analyst feeling completely inundated.
pfck - pf check - organizes flow information by host
pfck is a perl script that reads the state table of pf and reports back flows based on a supplied port number. pfck is very handy in ddos attacks to identify who's hitting a host or network on a particular port service, and who they are specifically hitting.
a logging system for openbsd's pf. uses postgresql for storage, and is designed to cope with an unreliable network connection to the database.