Database firewall written in Go
GoWall is a firewall made in GoLang that uses IPTables as it's backbone, the idea is to allow easy and fast configuration of IPTables.
A Web Application Firewall for PHP written in Go
Janusec Application Gateway, an application security solution which provides WAF (Web Application Firewall), CC attack defense, OAuth2 Authentication, private key protection, Web SSH operation, Web routing and scalable load balancing.
A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.
Go wrapper around iptables utility
Windows API wrappers for Go - useful for SysOps