Websocket is not working with Nginx Reverse Proxy

[Sergey A. Osokin]

On Sun, Sep 19, 2021 at 10:30:42PM -0400, blason wrote:
> Well - I tried that as well
> 
> ************
> location /SNX/ {
>     proxy_pass https://websocket;
>     proxy_http_version 1.1;
>     proxy_set_header Upgrade $http_upgrade;
>     proxy_set_header Connection $connection_upgrade;
>     proxy_set_header Connection "Upgrade";
>     proxy_set_header Host $host;
> ********************
> And in nginx.conf file 
> 
> http {
>     map $http_upgrade $connection_upgrade {
>         default upgrade;
>         '' close;
>     }
> 
> And still no luck - Here is what I see in access.log and it just stops
> there
> 
> 182.48.206.98 - - [20/Sep/2021:07:59:32 +0530] "GET
> /Login/ComponentFrame?nPageMode=2&snxVersion=80,0,0064,18 HTTP/1.1" 200 1150
> "https://vpn.xxxx.com/SNX/extender" "Mozilla/5.0 (Windows NT 10.0; WOW64;
> Trident/7.0; rv:11.0) like Gecko"

So, I'd try to extend log_format by adding the variables from the map
directive to the log file to see what's going on.  And if that doesn't
help I'd enable the debug log.

-- 
Sergey Osokin