Ports used for UDP acceleration

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StrikerTwo
Posts: 2
Joined: Fri Aug 25, 2017 2:42 pm

Ports used for UDP acceleration

Post by StrikerTwo » Fri Aug 25, 2017 2:48 pm

I have set up Soft Ether with all clients disabling their UDP acceleration because this would lead to unstable connections.

Today I noticed why: My router/firewall has only port forwardings for TCP/5555 and not for UDP ports, so all UDP connections were dropped. I saw blocked connection attempts to UDP/40000 and UDP/40001 for the two clients I tested.
What is the port range SoftEther uses for UDP acceleration, so I can forward the correct range? Right now I'm using UDP/40000-41000 (I have maybe 10 clients) and so far that seems to work, but I'm not sure that's enough.

Throughput with UDP acceleration on has roughly doubled, so I don't want to turn it off again ;)

thisjun
Posts: 2339
Joined: Mon Feb 24, 2014 11:03 am

Re: Ports used for UDP acceleration

Post by thisjun » Thu Sep 14, 2017 7:07 am


StrikerTwo
Posts: 2
Joined: Fri Aug 25, 2017 2:42 pm

Re: Ports used for UDP acceleration

Post by StrikerTwo » Thu Sep 14, 2017 7:13 am

Excellent. Thank you very much! (And also for cleaning up the SPAM)
Maybe you could include that fact in the documentation somewhere?

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