WebDAV and 2FA (Two-factor authentication)
Just a quick note which might help anyone trying to log into WebDAV storage that uses 2FA (two-factor authentication).
You should follow the instructions provided by your storage provider, but generally they will provide a token which you use in place of your normal password.
So, in Astiga you should provide your username as before, but in the password field, type your special 2FA token:
Note that in some cases I've heard of usernames being case sensitive in unexpected ways, e.g. a mixed case username having to be specified in all lower case.