OpenSnitch is a GNU/Linux port of the Little Snitch firewall
Serve as a reverse proxy to protect your web services from attacks
HTTP proxy to block ads and customize webpages
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
RazWall Firewall
Robust and flexible VPN network tunnelling
Anti Spam SMTP Gateway
OpenWRT ©VMWare ©ESXi Appliance NAT router
Tool to ping hosts through firewalls blocking ICMP
Small Content Filtering And Web Acceleration Appliance
Bash script to enable the firewall on startup of your Ubuntu server.
High interaction honeypot solution for Linux based systems
This tool locks down Linux and UNIX systems.
IoT Device, Gateway, Server platform
A simple captive portal
Drop specified IP n seconds remotely, auto-undrop it when timeout.
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks