Labs

Open source and lab projects.

Small tools we build because we need them.

OPEN SOURCE
LAB / X-CAD
FRP-SSH-Guard filters connections on the public server before they reach SSH behind an FRP tunnel.
Open-source infrastructure live

FRP-SSH-Guard

Protect FRP-forwarded SSH ports and your public server's own SSH service with connection limits, temporary bans, and access controls you can manage.

Packets dropped 3.2M
Drop fraction 99.97%
Failed logins 6,442 → 0