how nginx handle websocket proxying

allenhe nginx-forum at
Thu Nov 26 12:03:56 UTC 2020

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

Posted at Nginx Forum:,290078,290078#msg-290078

More information about the nginx mailing list