To remotely access some applications and services with an iOS device (iphone/ipad) you’ll need to first connect securely via VPN.
On your iOS device, open Settings, select General, then VPN
Choose Add VPN Configuration
Enter the settings as they’re shown in the next screenshot. Be sure to use your TUNetID and Password in the “Account” and “Password” fields. Select Done when you’re ready to continue.
On the VPN connection settings, toggle the status to Connected.
NOTE: The VPN connection must be turned on from this screen whenever you’re attempting to remotely connect to a TU computer.