OpenSnitch is a GNU/Linux port of the Little Snitch firewall
A simple way to block access to the internet per app
HTTP proxy to block ads and customize webpages
Robust and flexible VPN network tunnelling
Next Generation Open Source Firewall
Firewall log analyzer
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Small Content Filtering And Web Acceleration Appliance
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A powerful network security tool, easy, safe and totally free.
Provisions Simple Secure Network Firewall/Router
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
Simulating an IP packet traversing the Linux kernel.
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Network Firewall Linux Kernel Module with Conflict Resolution Engine