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I am using cocoa packet analyser because I am suspecting some intrusion. I find one special packet corresponding to arp protocol with some special ether adress. How could I find the ip related to this (I am a newbie for all these stuffs, so maybe my answer will be quite evident from you)

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closed as off topic by rook, schroeder, D.W., AviD Nov 14 '12 at 10:08

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Probably a better fit for StackOverflow with a security tag. – rook Nov 13 '12 at 21:08
Ok thanks Rock :) – Newben Nov 13 '12 at 21:21
or rather, Super User. This seems to be a networking question... – AviD Nov 14 '12 at 10:08
up vote 2 down vote accepted

May be I am wrong, but try to use wireshark enter image description here

Also I think that this might be useful

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That's it, thanks ! – Newben Nov 13 '12 at 22:20

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