OpenSnitch is a GNU/Linux port of the Little Snitch firewall
Firewall able to analyze visitor behavior & provide adapted response
HTTP proxy to block ads and customize webpages
Manage port forwardings via UPnP
Intelligently block brute-force attacks by aggregating system logs
Next Generation Open Source Firewall
Firewall log analyzer
Firewall With iptables
OpenWRT ©VMWare ©ESXi Appliance NAT router
Generació regles IPTables per Continents o Països
Robust and flexible VPN network tunnelling
Anti Spam SMTP Gateway
IPFIRE Firewall for ARM architecture (OrangePi)
Tool to ping hosts through firewalls blocking ICMP
A java PCAP and DPI library
A simple, portable port scanner
Small Content Filtering And Web Acceleration Appliance
An iptables IPv4 firewall and traffic shaping program