hi all, i use NEPacketTunnelProvider and i use createUDPSession for forwarding packet, i can forwarding packet (especially dns packet) it is ok. but how can i forward target other udp packet or re-delivery these packages
You’ll have to be more specific about what the issue is here. To start, what platform are you working on?
Next, any packet forwarding problem is composed of four parts:
Getting the packet to forward
Forwarding it
Getting the response
Forwarding that
Which step is causing you problems? If you’re not sure, my recommendation is that you use an RVI packet trace to see what’s happening on the ‘wire’. See Recording a Packet Trace.
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