Ipfirewall

IPFIRE-wall is an IPv4 Packet Filter with Network Address Translation capabilities. It can be used in desktop systems and in simple network configurations, providing a friendly interface and a simple installation. Also unprivileged users can personalize. Whats New in This Release: Kernel:... Platforms: *nix

This Daemon written in Perl, logs FreeBSD ipfw ip accounting counters every X seconds/minutes, so after rebooting, crashing, flushing, zero out your ipfirewall table, you don't loose any mayor traffic information. Platforms: Mac, BSD, Linux

Sshguard protects networked hosts from the todays widespread brute force attacks against ssh servers. It detects such attacks and blocks the authors address with a firewall rule. This project is BSD licensed. How sshguard works Sshguard monitors ssh servers from their logging activity. It... Platforms: *nix