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Need a vista/7 alternative to RAW socket for LAN filtering

Posted By:      Posted Date: September 29, 2010    Points: 0   Category :.NET Framework

      I have been developing a Download(+upload) Usage Monitor on and off since the beginning of this year, and obviously wish to filter out all loopback and LAN traffic so that my monitor only counts what is used by the internet.

I only need these two bits of info:

  • Where each packet came from/is going to (either LAN, LoopBack, or Internet)(Local/Remote)
  • How many bytes in that packet (If from the Internet/Remote)

      I partially solved the problem for XP (With Admin) by using a Raw socket, and examening the IP info and packet size in the Packet's header, though this method only works for download, and I read that Raw Sockets were disabled or something in Vista and 7.

      I was wandering how to go about creating a Filter (or seperate filters depednind on operarating system) that can work for download and upload on xp/vista/7? surely this should be simple since there is no manipulation...just looking/monitoring, but all I can find that 'may' do the job is Windows Filtering Platform, which seems ridiculously overkill for what such a simple job, and possibly doesnt even work with VB! Any ideas?

Here is an Example of the download only 'filter' code I use with my RAW Socket...

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IIS request filtering module


Hi folks,

I have migrated my web application to iis 7.5 Now I am using windows 7 as dev machine.

the problem is it takes several seconds to download a single page into web browser now. It contains only 300 records.

Everything is ok on prod website though. Prod version contains up to 200000 records .I can't also use code profile tool of red gate to analyze possible bottlenecks since the software in question can't restart IIS. No errors in IIS logs. I am using ISAPI Rewrite 3 filter by Helicon to apply some URL rewriting rules. I am thinking about conflict between ISAPI rewriting rules and default IIS 7.5 request filtering rules, since the IIS request filtering module gets a higher priority than even the built-in IIS 7.5 rewriter module. Is it possible to tweak the module through web.config so that priority is given to ISAPI rewriting rules or something like that?

Frankly, I spent several days to figure out solution. No success...

I've also deployed the application on IIS 5.1. Everything works fine. Any ideas about possible solution for IIS 7.5?

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