OWASP Coraza WAF is a golang modsecurity compatible firewall library
Intelligently block brute-force attacks by aggregating system logs
Firewall log analyzer
HTTP proxy to block ads and customize webpages
Manage port forwardings via UPnP
OpenBSD based firewall distribution
Robust and flexible VPN network tunnelling
A java PCAP and DPI library
A simple, portable port scanner
OWASP ModSecurity Core Rule Set (CRS) Project
blocklists for openbsd,freebsd,linux,iptables,bsd pf,pf,ipfilter
Provisions Simple Secure Network Firewall/Router
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
shell program to automatically configure freebsd as a firewall
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
track log files, block intrusions, and much more
A client for the MikroTik RouterOS API protocol, written in PHP.