Duo Mobile Push Notification only appears on Data

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01-18-2023 05:19 AM
Users with their phone with the Duo App on WiFi will not get the duo push notification until they switch to data.
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01-19-2023 01:08 PM

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01-19-2023 01:33 PM
I am the IT Technician in the company so I suppose that’s me. What exactly am I looking for here? IP address? Some type of website name? We got a web filter yes but I don’t recall changing anything recently to cause it to stop functioning.

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01-19-2023 01:54 PM
Does this issue occur with both iOS and Android devices using Duo Mobile?

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01-19-2023 02:49 PM
The two reported cases were myself on a Samsung Galaxy S22 and a Samsung SM-S908U so both Android. I can’t say if anyone with an iPhone is having issues yet.

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01-19-2023 02:58 PM
Take a look at the KB article I linked above regarding Android device notifications and note the Firebase Cloud Messaging (FCM) bullet points. Off the bat, make sure the following ports are allowed for FCM to operate on your wireless network:
- TCP 5228
- TCP 5229
- TCP 5230
Try all of the relevant steps in the KB and, if iOS devices also experience the same issue, see the iOS KB article I posted earlier to look for Apple Push Notification (APN) troubleshooting steps.
Both FCM and APN are what make Duo Push possible on their respective mobile devices.
