cgnat

NPF: packet filter with stateful inspection, NAT, IP sets, etc.

TheRouter is a software packet router based on DPDK an NPF libraries.

Fast reverse proxy on fly.io

(Cloudflare Tunnel / ngrok alternative) Self-hosted edge server with built-in tunneling. Expose services behind NAT or CGNAT at your own domain — automatic HTTPS, subdomain routing, edge filtering.

Exposes HTTP(S) services behind NAT, CGNAT, or dynamic IPs without opening inbound ports. Mirror from https://codeberg.org/towonel/towonel

Self-hosted CGNAT bypass using WireGuard, Traefik, Cloudflare, and Docker

A docker hosted minecraft server for people who suffer from CGNAT :)

Keep a DHCP lease alive for a CARP virtual IP (DHCP/CGNAT WAN failover) — OPNsense plugin

My week-long journey setting up VPN access to my homelab server behind CGNAT - from frustration to success with Tailscale

Portlyn is a self-hosted reverse proxy and zero-trust control plane built with Go and Next.js. It combines routing, access control, authentication, certificate management, and observability in one stack.

Run Plex Through Ngrok to Bypass CGNAT or Double-NAT Scenario

Sovereign P2P networking tool. Post-quantum encrypted connections, identity, file transfer, and relay infrastructure. No cloud, no accounts, no trust assumptions.

XDP filter protecting CGNAT/NAT-pool addresses against SYN/ACK reflection, UDP amplification and bogus-TCP-flag floods. Uses kernel conntrack as the source of truth - zero own state, fail-open by design.

Python module for generating CGNAT rules using netmap

MAP-T Parameter Calculator for IP Networking

High-volume proxy tester with real-browser fingerprinting, precise timing, detailed ASN, connection type, and location inspection.

WireGuard-over-WebSocket tunnel. Single-binary Go client + server. Built for free public ingress through Cloudflare's free tier (no VPS, no Spectrum).

Open source client for ngrok

Lightweight network health & connectivity diagnostics for your homelab - CGNAT detection, port checks, ping/DNS monitoring, in one Docker container.