# Configuration problems, reverse proxy and Office

**URL:** <https://help.nextcloud.com/t/configuration-problems-reverse-proxy-and-office/213687>\
**Category:** ℹ️ Support\
**Tags:** snap, curl\_err\_28, self-signed-certificate, collabora-built-in\
**Created:** [December 30, 2024, 3:41pm UTC](https://help.nextcloud.com/t/configuration-problems-reverse-proxy-and-office/213687 "2024-12-30T15:41:22Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![temperator](https://help.nextcloud.com/user_avatar/help.nextcloud.com/temperator/32/67774_2.png) [@temperator](https://help.nextcloud.com/u/temperator)\
**Post date:** [January 6, 2025, 9:21am UTC](https://help.nextcloud.com/t/configuration-problems-reverse-proxy-and-office/213687/21 "2025-01-06T09:21:51Z")

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I also keep getting the following errors in `php_errors.log`:

> [06-Jan-2025 09:17:14 UTC] PHP Warning: file\_get\_contents([http://localhost:9983/hosting/capabilities](http://localhost:9983/hosting/capabilities)): Failed to open stream: HTTP request failed! in /var/snap/nextcloud/45728/nextcloud/extra-apps/richdocumentscode/proxy.php on line 268  
> [06-Jan-2025 09:17:14 UTC] Old server found, restarting. Expected hash a but found b.

and the following in `nextcloud.log`:

> “app”:“richdocuments”,“method”:“GET”,“url”:“/index.php/apps/richdocuments/settings/check”,“message”:“cURL error 3: malformed (see [libcurl - Error Codes](https://curl.haxx.se/libcurl/c/libcurl-errors.html)) for /hosting/discovery”

Are these somehow related to this problem? Are these URLs OK?

And for the record, editing office files doesn’t work properly in web browsers on any client (Firefox on Linux-laptop, Firefox on Android, Safari on iOS) either, so this doesn’t seem to be a client specific issue.

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**Author:** ![system](https://help.nextcloud.com/user_avatar/help.nextcloud.com/system/32/29333_2.png) [@system](https://help.nextcloud.com/u/system)\
**Post date:** [April 6, 2025, 9:22am UTC](https://help.nextcloud.com/t/configuration-problems-reverse-proxy-and-office/213687/22 "2025-04-06T09:22:28Z")

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