Hi,
On 19/03/2026 10:18, Gert Doering wrote:
Hi,
On Thu, Mar 19, 2026 at 10:08:45AM +0100, Antonio Quartulli wrote:
On 18/03/2026 23:55, Greg Troxel wrote:
(It would be great if someone could do a blog post or docs change to
explain how to configure nginx to function as a proxy to reach an
openvpn server on the same host, so that the connection from the client
to the server would just be on 443/tcp. Critically, this should work
without interfering with the web server, so no remapping /.)
It sounds as if you are looking for the --port-share option?
It's been there for a while (way before multisocket was implemented) and it
seems to be what you are looking for.
I think he wants it the other way round - connections go to nginx, and
*if* openvpn, then forward to openvpn.
Ah. This would require nginx to be able to detect OpenVPN packets and
forward them accordingly. Not sure this can be done at all.
No idea if this can be done today - there are some patches floating around
to add various aspects of PROXY PROTOCOL, so maybe it can, maybe not.
Those patches waiting review are only about parsing the Proxy Protocol
header that is prepended to a packet after it went through some
CloudFlare machinery.
Regards,
--
Antonio Quartulli
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