OpenSnitch is a GNU/Linux port of the Little Snitch firewall
Network Security Appliance Linux Distribution
Serve as a reverse proxy to protect your web services from attacks
A firewall for humans.
AgentGuard is a firewall for AI agents
A high-performance MySQL proxy
Firewall able to analyze visitor behavior & provide adapted response
OWASP Coraza WAF is a golang modsecurity compatible firewall library
HTTP proxy to block ads and customize webpages
Manage port forwardings via UPnP
Anti Spam SMTP Gateway
Intelligently block brute-force attacks by aggregating system logs
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Next Generation Open Source Firewall
iptables script in only one file
RazWall Firewall
Firewall log analyzer
Antivirus eCAP adapter for Squid 3.1 and above.
Share a VPN connection with VMs or containers