What's FWD UDP and how / why would I use it ?

heiher / hev-socks5-server

A high-performance socks5 server for Unix (Linux/Android/BSD/macOS)

MIT License

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What's FWD UDP and how / why would I use it ? #33

Closed LindaFerum closed 11 months ago

LindaFerum commented 11 months ago

The readme mentions nonstandard FWD UDP functionality, but not much is explained about it and I am curious, would very much be grateful for an explainer

heiher commented 11 months ago

The non-standard FWD UDP command is used for UDP relay in TCP.

Related source codes (keyword UDP_IN_TCP):

https://github.com/heiher/hev-socks5-core/blob/master/src/hev-socks5-server.c
https://github.com/heiher/hev-socks5-core/blob/master/src/hev-socks5-udp.c