Troubles connecting to CalDAV with MacOS

[lex]

Actually in my case some more extensive rewrite rules seemed to help to get me closer to a solution, see this thread (the threat, not just the last post which is shown here):

Getting Nextcloud to work with Mac OS X adress book

try to change max upload size on nextcloud admin page, it will overwrite .htaccess file, and maybe will save it’s hash as valid(don’t really know how integrity check works)