If you are writing an iOS application that needs to communication with the Apple APN (Apple Push Notification) servers, or if you are are an end user behind a strict firewall, the information below can be used to correctly configure the firewall rules to allow access. Apple own the 17.0.0.0/8 address block, so you should be safe to allow access to just that destination network. Server side: This applies if you are writing a app that needs to send push…
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