An AEBS or TC running 7.6.1+ firmware or a third-party router/gateway device.Using Finder, verify that you can access the AirPort Disk from the local network. The methods presented are not necessarily in any particular order. There are at least four methods to access a shared AirPort Disk over the Internet from a remote Mac or iOS device. NOTE: For the purpose of clarification, an AirPort Disk can either be an internal HDD in a Time Capsule (TC) or an external SSD/HDD attached to the USB port of either a TC or an AirPort Extreme base station (AEBS).