APNS communication ports 443, 2197 and 5223

App & System Services Notifications
sgbhavani OP
Created 12h
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We submitted firewall request to below destination subnets and we still see connection refused to port 5223. Please advise why are we seeing connection refused and should we need 5223 port.

Subnets - 17.249.0.0/16, 17.252.0.0/16, 17.57.144.0/22, 17.188.128.0/18, 17.188.20.0/23

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Engineer OP
Apple
9h

What are you doing with port 5223? That is not a port for you to try to connect. APNs communicates with the devices on that port to send the notifications.

You should only be using 443 or 2197 to connect to APNs.

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APNS communication ports 443, 2197 and 5223
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