How to intercept data on Internet

How to intercept data on Internet? This can be done using number of technologies:

  • Winsock LSP – Is good when you want to operate at user level and inspect streams and not packets.
  • TDI – Soon to be phased out, it’s a driver like technology that can be used either in packet or stream level.
  • NDIS – Kernel driver that inspects packets and has total control over the network.
  • WFP – Microsoft new filterting platform, but until Windows XP is phased out, I forsee it will not gain momentum.

Barak

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