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Re: Can I intercept the packets sent by protocol drivers ???

  • From: V Tharaneedharan <dharani@cisco.com>
  • Date: 10 Jun 1997 18:58:13 GMT

Hi,

> 1. We would like to write a driver on Windows-95 to intercept the =
> packets sent by protocol drivers. I mean, I would like to develop "new =
> driver" as shown in figure. That is, all packets sent by Protocol =
> drivers to Ethernet driver will be intercepted by the "New driver". Is =
> this possible?
> 
> If the answer is YES, is there any sample application.
> 
> Existing architecture(NT, 95)			Proposed architecture
> 
> Applications					Applications
> ------------------					------------------
> Protocol drivers (like TCP/IP)			Protocol drivers (like TCP/IP)
> -------------------					-------------------
> Ethernet driver					New driver (For example: LANE)
> 						------------------
> 						Ethernet driver
> -------------------					-------------------
> NIC						NIC
> 

I couldnt exactly figure out your requirement, probably
due to some slight mismatch between the figure and explanation.
For eg LANE doesnt fit above Ethernet driver. Anyhow, if you are
looking for a module using which you can trace the packet flow
etc, the foll info may be useful to you.

For WinSock, you have WinSock Component Architecture (WCA) and
WinSock Redirector which can give many facilities that you are
looking for. You may visit

http://www.stardust.com/
http://www.stardust.com/labs/technology/wca/wca.html 

for more details.

Hope this helps.

Regards
dharani

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V Tharaneedharan
dharani@wipro.com

Interesting technology................................Boring job
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