Cyber Security Guides & Tutorials

Neon isometric gate guarding the mouth of a dark data tunnel, in magenta and cyan

Thorngate: A Tiny Go WAF That Guards Your Cloudflare Tunnel

Thorngate is a zero-dependency Go reverse-proxy WAF behind a Cloudflare Tunnel that honeypots scanners into a persistent blacklist before they reach your apps.

Linux

Set Up a Secure Linode Ubuntu VM for $5 a Month

Set up a cheap $5/month Linode Ubuntu VM and harden it: create a non-root sudo user, add SSH key login, disable password auth, and change the SSH port.

dotnet

NTunl: An Open, Self-Hosted Alternative to ngrok

NTunl is an open, self-hosted alternative to ngrok for exposing local services. Secure tunnelling for homelab and dev work — no monthly fees, no vendor.