If you're lazy, and you use opensuse, you'll want these tools!
Ban IPs based on #failed login attempts
network control and reporting
flex-fw is a small and fast console frontend to iptables
Raspberry Pi emulation on windows for Educational
Analyze the network carateristics like Delay, Jitter, Packet loss etc.
Turn your linux machine into an infrastructure wifi router.
ddos_deflate, el Guapo Edition is network trench defense!
Configures network variables automatically for MITM, ARP, and SSLstrip
iptables generation tool for large linux networks
Captive portal and access control manager for Linux-based hotspots
several bash scripts for firewall, traffic shaper and development
distribution images that work out of the box for PcDuino V1.0 (2013)
SSH Protector
Block incoming traffic from Tor network with IPTABLES
Cron script turning logwatch into iptable rules.
Easy to use firewall for linux beginners.