Sunday, February 10, 2019

Push notifications still come through, even without "active" internet connection

I've had this on a couple of Wi-Fi networks, where I am "connected", but not logged in for internet access. But I still get push notifications on my mobile from certain apps. But it seems to be different apps on different networks. Some I would get instagram and watsapp notifications, others it would be news apps.

But whenever I open the app to view them, it doesn't allow me view it, because I'm not "connected" to the internet.

Would I be correct in assuming this is due to the ports that the notifications come in haven't been blocked?

From a netsec point of view, would this be seen as a vulnerability? or as the device is not authorised to use the internet, it is a vulnerability that wouldn't necissarily be too much of an issue?



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