OWASP Coraza WAF is a golang modsecurity compatible firewall library
Manage port forwardings via UPnP
A java PCAP and DPI library
Jateway is a general purpose TCP/IP connection proxy
Sonicwall Configuration File Reader
Personal firewall for linux desktop and android phone
Patch to integrate URL Filter in IPCop 2.0.6
Drop specified IP n seconds remotely, auto-undrop it when timeout.
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Lomalarga is a VPN-like service based on SSH and Linux.