OpenSnitch is a GNU/Linux port of the Little Snitch firewall
A high-performance MySQL proxy
Network Security Appliance Linux Distribution
A firewall for humans.
Serve as a reverse proxy to protect your web services from attacks
HTTP proxy to block ads and customize webpages
Manage port forwardings via UPnP
Next Generation Open Source Firewall
iptables script in only one file
Antivirus eCAP adapter for Squid 3.1 and above.
Anti Spam SMTP Gateway
RazWall Firewall
Firewall log analyzer
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Robust and flexible VPN network tunnelling
Generació regles IPTables per Continents o Països
OpenWRT ©VMWare ©ESXi Appliance NAT router
IPFIRE Firewall for ARM architecture (OrangePi)
Tool to ping hosts through firewalls blocking ICMP