Proxying UDP: Preserve proxy port during DTLS handshake

Vladimir Homutov vl at
Thu Apr 13 09:28:58 UTC 2017

On Wed, Apr 12, 2017 at 03:53:43PM -0400, SebK wrote:
> Hello everyone,

Hi Sebastian,

> So my conclusive question is: Does nginx provide a way to preserve its
> chosen dynamic port when forwarding udp packets?

No, currently it is not supported.
See also

We have some experimental patches for DTLS support that overcome this
issue, and if you are interested in testing, please write me a email
(vl at

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