HTTP proxy to block ads and customize webpages
Network Security Appliance Linux Distribution
Next Generation Open Source Firewall
iptables mini-script in file-wizard
Firewall log analyzer
Anti Spam SMTP Gateway
Antivirus eCAP adapter for Squid 3.1 and above.
Robust and flexible VPN network tunnelling
A simple, portable port scanner
An iptables IPv4 firewall and traffic shaping program
blocklists for openbsd,freebsd,linux,iptables,bsd pf,pf,ipfilter
A powerful network security tool, easy, safe and totally free.
Powerfull Web Application Firewall for PHP