I have never written a 'snooper' type programme in Perl, but I recall that recently I was scanning through a book titled "Programming the Network in Perl" (from a guy in Ireland, not the Lincoln Stein book). I saw some code in there called
EtherSnooper. The only thing I could find in a search was this:
http://users.telenet.be/jurgen.kobierczynski/support/ethersnooper.pl.txt
Looking at the source code it would seem that a series of modules in the NetPacket namespace would make it a soda to write something which would acheive the result, but not as elegantly as a direct implementation.
I don't know if this info will be useful, but I hope so!
jdtoronto
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