Rtmp-port-tester is a project mainly written in JavaScript, based on the MIT license.
JavaScript wrapper for Jake Hilton's port tester for flash, see here http://www.jakehilton.com/?q=node/43
Checks if client can connect to rtmp and rtmpt (tunneling) on ports 80, 445 & 1935.
Run: node server.js
then open http://localhost:8001/index.html