Apns Notifications Not Reaching Devices Enrolled in Apple Mdm

APNS notifications not reaching devices enrolled in Apple MDM

Follow MDM_Protocol pdf very carefully.

If you are following this link: http://www.softhinker.com/in-the-news/iosmdmvendorcsrsigning
Then verify few things.

remove the passphrase from customerPrivateKey.pem using this command

openssl rsa -in customerPrivateKey.pem -out PlainKey.pem

Then merge your APNS certificate (for example CustomerCompanyName.pem) downloaded from the portal https://identity.apple.com/pushcert/ using this command

cat CustomerCompanyName.pem PlainKey.pem > PlainCert.pem

Now this PlainCert.pem file can be used in your server as APNS/MDM certificate.

If still there is issue,please show here your device log.

MDM: APNS notification does not reach iPhone

My suggestion is first try production APNS , so use this url:gateway.push.apple.com, and if you are using IPCU to generate mobileconfig,then in MDM payload don't select the option "Use Development APNS Server".
And see this also.

iOS MDM push notification using Php, not working

I've had a go at pushing notifications myself, using PHP on Windows. One of the things I've noticed that might be wrong is your inclusion of the topic in the push payload. This isn't required.

Here is some PHP code I've written to test using a device I registered in TestMDM. I'm not a PHP developer, but using this (http://codular.com/sending-ios-push-notifications-with-php) as a baseline and taking the pushMagic and deviceToken strings from my TestMDM database, I got it to successfully send a push.

As I'm on Windows, I also use a PFX certificate for push.

$deviceToken = '<YOUR DEVICE TOKEN AS BASE64 STRING>'; #base64 encoded
$token = bin2hex(base64_decode($deviceToken));

// Put your private key's passphrase here:
$passphrase = '<YOUR PASSWORD>';

$ctx = stream_context_create();
stream_context_set_option($ctx, 'ssl', 'local_cert', './Push.pfx');
stream_context_set_option($ctx, 'ssl', 'passphrase', $passphrase);

$fp = stream_socket_client('gateway.push.apple.com:2195', $err, $errstr, 60, STREAM_CLIENT_CONNECT|STREAM_CLIENT_PERSISTENT, $ctx);

if (!$fp) {
    exit("Failed to connect: $err $errstr" . PHP_EOL);
}

echo 'Connected to APNS' . PHP_EOL . "<br />";

$payload = '{ \'mdm\' = \'<YOUR PUSH MAGIC FOR THIS DEVICE>\' }';

$inner = chr(1) . pack('n', 32) . pack('H*', $token)
        . chr(2) . pack('n', strlen($payload)). $payload
        . chr(3) . pack('n', 4) . pack('N', 1)
        . chr(4) . pack('n', 4)
        . pack('N', time() + 86400)
        . chr(5) . pack('n', 1) . chr(10);

$notification = chr(2) . pack('N', strlen($inner)) . $inner;

echo $payload . PHP_EOL;

$result = fwrite($fp, $notification, strlen($notification));

echo $result;

Once I run the script, I can see this in the logs of my device, which indicates it is working:

Jul 11 10:16:10 Toms-iPod mdmd[11218] <Notice>: (Note ) MDM: mdmd starting...
Jul 11 10:16:10 Toms-iPod mdmd[11218] <Notice>: (Note ) MDM: Network reachability has changed.
Jul 11 10:16:10 Toms-iPod mdmd[11218] <Notice>: (Note ) MDM: Network reachability has changed.
Jul 11 10:16:10 Toms-iPod mdmd[11218] <Notice>: (Note ) MDM: Push token received.
Jul 11 10:16:10 Toms-iPod mdmd[11218] <Notice>: (Note ) MDM: Received push notification.
Jul 11 10:16:10 Toms-iPod mdmd[11218] <Notice>: (Note ) MDM: Polling MDM server https://testmdm.azurewebsites.net/<redacted> for next command.

Hopefully this will help.

T

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