Node.js script to demonstrate UDP hole punching through NAT
License: MIT License
Node.js script to demonstrate UDP hole punching through NAT
Change S.S.S.S in publicserver.js, clientA.js, clientB.js to the IP of your public server.
Run publicserver.js on a public server (not behind a NAT).
Run clientA.js on your first computer behind a NAT.
Run clientB.js on your second computer behind a (different) NAT.
Good Luck!
I don't know if this is a problem trying to send to yourself.
The clients connect to the server and get the host / ports, and attempt to send =>
UDP message sent to 139.162.238.48:33333
139.162.238.48:33333 - {"name":"B","address":"2.106.157.17","port":54513}
UDP message sent to B: 2.106.157.17:54513
UDP message sent to B: 2.106.157.17:54513
UDP message sent to B: 2.106.157.17:54513
UDP message sent to B: 2.106.157.17:54513
UDP message sent to B: 2.106.157.17:54513
UDP message sent to 139.162.238.48:33333
139.162.238.48:33333 - {"name":"A","address":"2.106.157.17","port":65400}
sending UDP message to A: 2.106.157.17:65400
UDP message sent to A: 2.106.157.17:65400
sending UDP message to A: 2.106.157.17:65400
UDP message sent to A: 2.106.157.17:65400
sending UDP message to A: 2.106.157.17:65400
UDP message sent to A: 2.106.157.17:65400
sending UDP message to A: 2.106.157.17:65400
UDP message sent to A: 2.106.157.17:65400
sending UDP message to A: 2.106.157.17:65400
UDP message sent to A: 2.106.157.17:65400
sending UDP message to A: 2.106.157.17:65400
in 2021
This code doesn't work....at most place
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