Go / firewall
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Go library for the Cloudflare v4 API
ShellHub enables teams to easily access any Linux device behind firewall and NAT.
A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.
A wrapper on top of Iptables to manage rules to block docker.
A Go language client for the NAT-PMP internet protocol for port mapping and discovering the external IP address of a firewall.
Use your Mikrotik firewall to do fail2ban like blocking of unwanted IPs. Written in Go
Janusec Application Gateway, a Golang based application security solution which provides WAF (Web Application Firewall), CC attack defense, unified web administration portal, private key protection, web routing and scalable load balancing.