This is the code for nginx in nextcloud ... nginx But not working with ISPconifg , nginx way .... got this in collabora server : Oct 18 22:36:27 collab1 loolwsd[5893]: wsd-05893-05903 2020-10-18 20:36:27.348625 [ websrv_poll ] WRN convert-to: Requesting address is denied: 10.10.10.13| wsd/LOOLWSD.cpp:2300 Code: # static files location ^~ /loleaflet { proxy_pass https://10.10.10.183:9980; proxy_set_header Host $http_host; } # WOPI discovery URL location ^~ /hosting/discovery { proxy_pass https://10.10.10.183:9980; proxy_set_header Host $http_host; } # Capabilities location ^~ /hosting/capabilities { proxy_pass https://10.10.10.183:9980; proxy_set_header Host $http_host; } # main websocket location ~ ^/lool/(.*)/ws$ { proxy_pass https://10.10.10.183:9980; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "Upgrade"; proxy_set_header Host $http_host; proxy_read_timeout 36000s; } # download, presentation and image upload location ~ ^/lool { proxy_pass https://10.10.10.183:9980; proxy_set_header Host $http_host; } # Admin Console websocket location ^~ /lool/adminws { proxy_pass https://10.10.10.183:9980; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "Upgrade"; proxy_set_header Host $http_host; proxy_read_timeout 36000s; }