"Hey, I have the same problem, but my request for “http: //IP/browser/55317ef/cool.html” failed.
“ Failed to establish socket connection or socket connection closed unexpectedly. The reverse proxy might be misconfigured, please contact the administrator. For more info on proxy configuration please checkout Making sure you're not a bot! ”
My apache2 reverse proxy configuration:
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Reverse proxy for Collabora Online
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AllowEncodedSlashes NoDecode
ProxyPreserveHost On
static html, js, images, etc. served from coolwsd
browser is the client part of Collabora Online
ProxyPass /browser http:// 127.0.0.1:9980/browser retry=0
ProxyPassReverse /browser http:// 127.0.0.1:9980/browser
WOPI discovery URL
ProxyPass /hosting/discovery http:// 127.0.0.1:9980/hosting/discovery retry=0
ProxyPassReverse /hosting/discovery http:// 127.0.0.1:9980/hosting/discovery
Capabilities
ProxyPass /hosting/capabilities http:/ /127.0.0.1:9980/hosting/capabilities retry=0
ProxyPassReverse /hosting/capabilities http: //127.0.0.1:9980/hosting/capabilities
Main websocket
ProxyPassMatch “/cool/(.*)/ws$” ws://127.0.0.1:9980/cool/$1/ws nocanon
Admin Console websocket
ProxyPass /cool/adminws ws://127.0.0.1:9980/cool/adminws
Download as, Fullscreen presentation and Image upload operations
ProxyPass /cool http:// 127.0.0.1:9980/cool
ProxyPassReverse /cool http:// 127.0.0.1:9980/cool
Compatibility with integrations that use the /lool/convert-to endpoint
ProxyPass /lool http:// 127.0.0.1:9980/cool
ProxyPassReverse /lool http:// 127.0.0.1:9980/cool"
