Activities of "slamj2"

Put this in your main nginx.conf file under the http section:

map $http\_connection $connection\_upgrade {
"\~\*Upgrade" $http\_connection;
default keep-alive;
}

Then, in your site conf file use this for your hub location(s):

location /signalr-chat {
    proxy_pass http://x.x.x.x:port;
    
    # Configuration for WebSockets.$http_upgrade, $connection_upgrade is mapped in main server conf file. 
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade; 
    proxy_cache off;

    #   Configuration for ServerSentEvents
    proxy_buffering off;

    # Configuration for LongPolling or if your KeepAliveInterval is longer than 60 seconds
    proxy_read_timeout 100s;

    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;		
    proxy_set_header   Accept-Language $http_accept_language; # Optional
}

location /signalr {
    proxy_pass         http://x.x.x.x:port;

    # Configuration for WebSockets.$http_upgrade, $connection_upgrade is mapped in main server conf file. 
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade; 
    proxy_cache off;

    #   Configuration for ServerSentEvents
    proxy_buffering off;

    # Configuration for LongPolling or if your KeepAliveInterval is longer than 60 seconds
    proxy_read_timeout 100s;

    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;		
    proxy_set_header   Accept-Language $http_accept_language; # Optional
}

The CORS error message can be a bit of a red herring if the proxy config is not quite right. Note that this is direct from Microsoft's config site on Nginx -> https://docs.microsoft.com/en-us/aspnet/core/signalr/scale?view=aspnetcore-5.0

Cheers.