Apps white-listed for network traffic?

Question

Created Nov ’20

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Hi,

According to this article:
thenextweb.com/plugged/2020/11/16/apple-apps-on-big-sur-bypass-firewalls-vpns-analysis-macos/

it seems that some applications are white-listed in BigSur so that network extensions don’t see the network traffic from those applications.

After some testing, it seems that this is the case only if a NEFilterDataProvider is used. If a NEFilterPacketProvider is used, all network traffic is seen by the filter – i.e. no white listing of Big Sur apps.

Can someone please confirm that this is the case and shed some light on this issue?

Thanks!

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Answer 1

DTS Engineer OP

Apple

Nov ’20

Sorry, I’m going tiptoe around this particular landmine:

My understanding of how things currently work matches your description.
My normal recommendation is that, if you’d like things to change in the future, you should file a bug against the current behaviour. In this case that’s not necessary. We have a bug on file about this (r. 64447193) and it has plenty of dup’s already.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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