On 11/15/2023 9:50 AM, Campbell, Courtney wrote:
I have an OL9 server setup with guacamole 1.5.3. There is an nginx reverse 
proxy in front that is terminating SSL and sending traffic the localhost on 
port 8080. Whenever I connect to anything it is super slow to respond. I see 
this in the error log.

o.a.g.t.h.RestrictedGuacamoleHTTPTunnelServlet - Using HTTP tunnel (not 
WebSocket)

If I set the reverse proxy to not use ssl, performance is great. This is a new 
install. I followed the docs on the project's main site. The only recent change 
to this was upgrading to nginx 1.22 because of an ssl end of file issue with 
openssl 3.X. Anyone have any ideas of how to solve this?


As long as your Nginx is v1.3 or later, it should have support for WebSocket, though is additional configuration that must always be present for Nginx to correctly pass WebSocket-related headers:

https://guacamole.apache.org/doc/gug/reverse-proxy.html#nginx

What does your Nginx configuration look like?

- Mike

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