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Re: how nginx handle websocket proxying

Sergey Kandaurov
November 26, 2020 07:24AM
> On 26 Nov 2020, at 12:03, allenhe <nginx-forum@forum.nginx.org> wrote:
>
> Can someone elaborate this a little bit?
> "NGINX supports WebSocket by allowing a tunnel to be set up between both
> client and back-end servers."
>
> what is the "tunnel" here?

After upgrading HTTP/1.1 to WebSocket protocol,
a two-way communication channel is established,
which is proxied by nginx is a special mode.

> Does it mean the client will talk with the back-end server directly after
> the http Upgrade handshakes?

No, WebSocket protocol messages are still proxied by nginx.
See also http://nginx.org/en/docs/http/websocket.html

--
Sergey Kandaurov

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Subject Author Posted

how nginx handle websocket proxying

allenhe November 26, 2020 07:03AM

Re: how nginx handle websocket proxying

Sergey Kandaurov November 26, 2020 07:24AM



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