Multiple networkExtension traffic flow order.

App & System Services Core OS
namdev20 OP
Created Mar ’23
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Hi Team,

Im using SystemExtension with NEPackettunnelProvider where Im getting the layer 3 packets.

Below is my query.

  1. Just wanted to understand if some other app started transparent app proxy(Layer4) with same network rule which I configured for NEPackettunnelProvider, Will I get the packet in NEPackettunnelProvider(Layer3)?

**As per the doc, **

if app proxy returns NO from handleNewFlow then it will handle by system and in my case it reaches to NEPackettunnelProvider but what happen if it returns false and packet is processed by the app proxy.

As per my understanding packet should flow from Layer 4 to layer 3 but if app proxy implemented custom protocol then I believe it will not reach to NEPackettunnelProvider. Is my understanding correct?

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Multiple networkExtension traffic flow order.
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