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How can I catch TCP/IP packet?

Posted on 1998-12-23
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Last Modified: 2013-12-03
Hello,

I'm using Winsock. Can anyone show me how I catch a TCP/IP packet in my LAN ?
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Question by:toannds
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by:jkr
ID: 1417618
You have to write a network protocol driver. You'll at least have to take a look at the NDIS driver interface.
See the MSDN atricle 'Network Driver Interface Specification (NDIS)'.
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by:toannds
ID: 1417619
Thank you. But I didn't found it in Win32.hlp and Yahoo. Please tell me where I can obtain basic information or tutorial.
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jhance earned 100 total points
ID: 1417620
It's available on the MSDN online library at:

http://msdn.microsoft.com/developer

You'll need to register to gain access but there is no charge (at least not currently) for this service.

You'll find the NDIS specification under:

Platform SDK>DDK Documentation>Windows NT 4.0 DDK>Network Drivers>Network Reference>Part 1 NDIS

Be forwarned, this is non-trivial stuff.
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LVL 32

Expert Comment

by:jhance
ID: 1417621
toannds,

BTW, you will need to get at least the Microsoft MSDN Professional subscription to actually build an NDIS application.  This is due to the fact that you need the Windows DDK support files and they are only available with MSDN.
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