Master Intranet Penetration: NPS, FRP, EW, and Ngrok Explained
This guide introduces four popular intranet‑penetration tools—NPS/NPC, FRP, EW, and Ngrok—detailing their core principles, key features, installation steps, configuration files, and practical usage examples for exposing internal services such as web servers, SSH, RDP, and file sharing to the public internet.
