Both entering the backup page and starting the backup upload result into this on the nginx side:
```
xx.xx.xx.xx - - [29/Mar/2024:13:38:58 +0000] "PROPFIND /remote.php/dav/files/direc85/Sailfish%20OS/Backups/Xperia-10-III_xxxxx_yyyyyy HTTP/1.1" 401 569 "-" "Mozilla/5.0"
xx.xx.xx.xx - direc85 [29/Mar/2024:13:38:59 +0000] "PROPFIND /remote.php/dav/files/direc85/Sailfish%20OS/Backups/Xperia-10-III_xxxxx_yyyyyy HTTP/1.1" 207 583 "-" "Mozilla/5.0"
```