Network Security Appliance Linux Distribution
A simple, portable port scanner
PeerGuardian - a privacy oriented firewall application
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
upnp port opener
Webinterface to (un)ban IPs in Fail2Ban
Network Firewall Linux Kernel Module with Conflict Resolution Engine
Open source voucher management / hotspot system
Extract and Convert Juniper Firewall Policies to CSV
download and convert ip block list
network control and reporting
Personal firewall for linux desktop and android phone