Feature/Application:
From SonicOS SSL-VPN 7.5 and above we have an option to use the End point control to check the equipment ID for IOS device. This KB article is specific to configuring the Equipment ID check for IOS devices and how to get the UDID from your IOS device. UDID is the short form for Unique Device Identifier. It is a 40-character long value containing alpha-numeric symbols (a-z and 0-9).
You can easily find out the UDID of your IOS device by connecting the device to the itunes software.
Step 1: Connect the IOS device to the Itunes. Select it from the sources column.

Step 4: Now you can enforce this EPC settings for users or groups.