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system programming

Posted on 2003-11-14
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 Would I get the logic to develop a sample C programm which is able to read traffic of an ethernet network card
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Question by:chandra_bose
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cookre earned 43 total points
ID: 9753064
For *nix boxes, IPTRAF, one of many such, provides source:
http://cebu.mozcom.com/riker/iptraf/

For Windows boxes, WINPCAP is the choice (source and examples):
http://winpcap.polito.it/

Note that COMPLETE traffic monitoring requires placing the NIC in promiscuous mode and that some NICs can be permanently configured to not permit promiscuous mode.

Note further that both of these are monitors only and neither permits stream modifications nor intimates how stream modification can be done.

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by:amorrow5
amorrow5 earned 41 total points
ID: 9756113
The best public current code base for accessing ethernet cards (and interpreting the packets) is Ethereal

http://www.ethereal.com/
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by:bhagyesht
bhagyesht earned 41 total points
ID: 9761561
if you just want to know the bytes in out use
cmd.exe /c netstat -e >c:\abc.txt
and read the output.
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by:cookre
ID: 9889079
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