how would TCP hole punching even work? TCP has state and a handshake. UDP doesn'... | Hacker News

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		algesten on April 29, 2020 \| parent \| context \| favorite \| on: WebWormHole: Send files quickly using WebRTC how would TCP hole punching even work? TCP has state and a handshake. UDP doesn't.

zozbot234 on April 29, 2020 [–]

UPnP can be used to setup port forwarding if the NAT gateway is configured correctly.

algesten on April 29, 2020 | [–]

sure. I think it's a bit different though. upnp is like some remote control of your fw.

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