Working iOS example for NEFilterManager?

App & System Services Networking
WPDeveloper OP
Created Feb ’21
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I am attempting to write a firewall for iOS and have struggled to find sufficient implementation guidance in the documentation. Is there a working example showing how network wide content filtering (ie: using NEFilterManager) can be implemented on iOS?

We have examined the sample code provided by Apple and it only works on MacOS due to the system extensions library not being supported on iOS. I have been able to implement NEFilterControlProvider and NEFilterDataProvider in a sample app but they are never called (they presumably need NEFilterManager)

Also, can this functionality be used on unsupervised iOS devices?
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Systems Engineer OP
Apple
Feb ’21

Is there a working example showing how network wide content filtering (ie: using NEFilterManager) can be implemented on iOS?

There is not. This would be an enhancement request for and example on how to do so.

Also, can this functionality be used on unsupervised iOS devices?

For distribution, no. Content filter providers are only supported on supervised iOS devices.


Matt Eaton
DTS Engineering, CoreOS
meaton3@apple.com
0
Working iOS example for NEFilterManager?
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