> On 26 Nov 2020, at 12:03, allenhe <nginx-fo...@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 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx