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What would be the easiest way to be able to send and receive raw network packets. Do I have to write my own JNI wrapping of some c API, and in that case what API am I looking for?
EDIT: I want to be able to do what wireshark does, i.e. record all incomming packets on an interface, and in addition be able to send back my own created packets. And I want to do it on a mac.
If you start with the idea that you need something like a packet sniffer, you’ll want to look at http://netresearch.ics.uci.edu/kfujii/jpcap/doc/.