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NKE filter that forwards packets
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NKE filter that forwards packets


  • Subject: NKE filter that forwards packets
  • From: Nick <email@hidden>
  • Date: Thu, 23 Feb 2012 13:34:34 +0200

Hello!

 I have a task to forward outgoing packets to a local transparent proxy server.
 I have decided to use NKE filter (similarly to what ipfw forward
 does). However, I am not sure, how to do that. The point is to not
 modify the packets (destination address, port), but yet make the proxy
 application receive them. I am not exactly sure if this is possible to
 implement (but somehow ipfw does that).
 Could you briefly advice me how to do this?
 Earlier I have developed a Socket level NKE, but it was modifying HTTP
 data "in-house" without delegating the work to a usermode application.
 So, basically, this, and a tcplognke sample code are the only examples
 i am familiar with.
 I suppose to solve my task i would need to write an ip level filter
 (or would it be possible using socket level nke?). But how to do the
 proxy forwarding mechanism?

 Thank you
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