Hi brad,
 Do u mean to say that i cannot intercept packets with the PROTOCOL DRIVERS?


sathvanth

-----Original Message-----
From: Contrac Prog [mailto:[EMAIL PROTECTED]]
Sent: Thursday, December 19, 2002 9:21 PM
To: [EMAIL PROTECTED]
Subject: Re: [WinPcap-users] Am i doing it right?


No, this will not work. Winpcap is an NDIS protocol driver, as is TCP/IP.
Winpcap is a peer to TCP/IP - NDIS submits each network packet to all
protocols bound to NDIS. 

Therefore, you cannot modify the packet that NDIS presents to TCP/IP. You
would need to squeeze between NDIS and TCP/IP in order to modify the
packets. You might want to look at www.pcausa.com and www.ntndis.com.

Good luck,

Brad

----- Original Message -----
From: sathvanth subramaniam <[EMAIL PROTECTED]>
Date: Thu, 19 Dec 2002 15:38:10 +0530
To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
Subject: [WinPcap-users] Am i doing it right?

> hi,
>  I am trying to make some small changes in the winpcap source ,Please tell
> me if i am doing anything wrong.
>  This is what i intend to do.
>  In the packet read ,where the packets are read into the kernel buffer i
> would like to capture the packets and modify some headers.
>  I do not want to copy things to a user buffer,instead after modifyign the
> packets i want it to proceed to the TCP stack...Will this work?
>  Please let me know of your suggestions,
> 
> Regards,
> sathvanth
> 
> 
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