Blank page on second proxy

I have greylog accepting connections only on localhost, and I use apache on the local machine as a reverse proxy to it. This is working fine.

The problem is when I try to setup another reverse apache proxy on another machine to proxy to that proxy. When I access it from this second proxy, I don’t get any errors, I just get a blank page.

When all proxys are setup in the correct way this should work.

I have that in my lab with multiple NGINX - but the kind of server shouldn’t matter. The important part is that you need to set the X-Graylog-Server-URL header on each Proxy to it’s own.

I noticed that I can get a blank page on the local proxy if I change this line in apache.

<Location / >

to

<Location /graylog >

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