I am having trouble with my MDM solution, and have isolated to this problem.
>>from Apple tech.
Devices using APNs need a direct connection to Apple's server. If a device is unable to connect using cellular data, it will attempt to use Wi-Fi if available. If there is a proxy server on the Wi-Fi network, the device will not be able to use APNs, because APNs requires a direct and persistent connection from device to server. >> full article
How can I create a direct and persistent connection through my UTM 425
I have allowed the address, and put them in the Transparent mode skiplist as well.. ports 2195:2196 are allowed in and out..
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