HTTP proxy to block ads and customize webpages
Anti Spam SMTP Gateway
iptables script in only one file
Next Generation Open Source Firewall
Manage port forwardings via UPnP
A simple, portable port scanner
PeerGuardian - a privacy oriented firewall application
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Open source voucher management / hotspot system
Linux firewall distribution geared towards home and SOHO users.
Programmable completion code (bash) for ipset (netfilter.org)
Jateway is a general purpose TCP/IP connection proxy
network control and reporting
This tool locks down Linux and UNIX systems.
Sonicwall Configuration File Reader
Personal firewall for linux desktop and android phone
Easy to use firewall for linux beginners.
iptables web interface