Settings of Time Capsule for LAN access
The settings for AirPort Extreme is the same as Time Capsule.
So if you want to access Time Capsule or the attached storage on AirPort Extreme from Owlfiles, please read on.
1. Launch the AirPort Utility on your Mac or Windows, and you'll see the screenshot below.

2. Click TimeCapsule and click the "Edit" button. Then you'll see the user interface similar with the screenshot below.

3. Click the "Disks" tab.
4. Check the "Enable file sharing" checkbox.
5. Select "Secure Shared Disks" option. If you select "With device password" or "With a disk password", please input "Apple" as username in Owlfiles.