OWASP Coraza WAF is a golang modsecurity compatible firewall library
Next Generation Open Source Firewall
Firewall log analyzer
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Anti Spam SMTP Gateway
Produces a graphical map of hosts, switches and routers in a network.
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This Tool blocks a Mass of IP's via the Windows Firewall - IP Blocker
Create and delete block rules for the Windows firewall
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
A client for the MikroTik RouterOS API protocol, written in PHP.
Open source tool to monitor your servers and websites
Extract and Convert Juniper Firewall Policies to CSV
User Computer and IP Address Tracking
single file multi-purpose multi-platform shell written in php
IOSec Addons are enhancements for web security and crawler detection
Is your host up or down?
several bash scripts for firewall, traffic shaper and development
c# tool for generate wipfw batch script configurator
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
MySQL Load Balancing PHP script