Please see http://firehol.org/ for up-to-date releases and information. FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.
IOSec Addons are enhancements for web security and crawler detection
IOSEC PHP HTTP FLOOD PROTECTION ADDONS
IOSEC is a php component that allows you to simply block unwanted access to your webpage. if a bad crawler uses to much of your servers resources iosec can block that.
IOSec Enhanced...
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.
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...
M0n0wall currently doesn't support IPSEC VPN where one or both ends are dynamic IP addresses. This PHP script along with the dynamic DNS service built into m0n0wall, auto-updates the remote gateway IP address in the VPN configuration.
RTelnet is a reverse Telnet, it's increadably useful to get behind firewalls and NAT's or routers running ip masqurading.
very useful for remotely admin someones PC remotely when they don't know how to do anything like opening their firewall.
deface-no-tnx is an anti-defacement system that monitors your Web files and notifies you about unallowed changes. It also replaces the defaced page with a standard "error" page,so that no offensive/joking content can be frauodolently added to your site
SSPE: Simple Security Policy Editor is a simple distributed firewall with an central ascii administration. It uses two plain manually edited ascii-files and some other, static files for each of the target-machines to generate iptables.
Loganalyzer for Windows XP Firewall and Linux Iptables firewall. Generates a nice html document with statistics from all the pakets captured by the firewall. The program is written in Python and has an (optional) graphical interface.
PACIE (Perl Analysis Console for Intrusion Events) Attempts to be a complete replacement for ACID. Place this cgi script on your internal webserver and receive powerfull reporting on your current snort database.