Users have an iPhone, iPad, or iPod and are having issues connecting to the iTunes store via SSL through a ProxySG appliance. They receive one of the following error messages:
"Cannot connect to iTunes Store"
"A secure connection could not be established. Please check your Date & Time settings."
This issue occurs because the ProxySG appliance through which users are connecting to iTunes has SSL interception and decryption configured. With this configuration, the appliance uses a custom certificate that the administrator pushes to all desktop browsers. As iOS devices are not part of such a deployment, users must install the appliance's certificate manually on their iOS devices. The installation needs to be performed just once, until either the iOS device is reverted to a factory default state or the appliance's SSL interception certificate expires.
To install the appliance certificate manually on an iOS device: