OWASP Coraza WAF is a golang modsecurity compatible firewall library
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Manage port forwardings via UPnP
A java PCAP and DPI library
PeerGuardian - a privacy oriented firewall application
A client for the MikroTik RouterOS API protocol, written in PHP.
IOSec Addons are enhancements for web security and crawler detection
Sonicwall Configuration File Reader
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks