use "libpcap" for packet capturing.
you can generate packets using "libnet"
both are available on internet for dload.
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Generating and Decoding packets
We need to decode and generate certain packets
SMTP,NetBios,SMB,RSH,SNMPv
where r the inbuilt headers available for it in linux.
Is there any codes available for it.
If anyone knows the code, can u plz. send it
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by: RedimidoPosted on 2003-06-14 at 18:46:19ID: 8725499
mmhh...
you are pointing to several applications, not being protocols by themselves some of them
if you want to have the code which can identify all of this kind of traffic, then check the Snort source code. Snort understands all these protocols, and it's source code is available here:
http://www.snort.org