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Monitor all and any internet traffic from my home PC - what should I use?

My internet connection has 4GB quota. But my quota is run out very fast.

I setup Net Limiter , for look which programs using my internet connection. But there isn't any weird program. There is only firefox.exe .

So, how can i look all programs which using my connection and leech my bandwidth quota? For example, is there any CMD command ? like netstat

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marked as duplicate by Arjan, JNK, Nifle, Mehper C. Palavuzlar, ChrisF Jan 13 '11 at 21:44

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
i was search site, but couldn't this post. –  Eray Jan 13 '11 at 21:04

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Try using TCPView from Sysinternals to see if you can get a better view of what's using your network connection.

TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on your system, including the local and remote addresses and state of TCP connections. On Windows Server 2008, Vista, and XP, TCPView also reports the name of the process that owns the endpoint. TCPView provides a more informative and conveniently presented subset of the Netstat program that ships with Windows. The TCPView download includes Tcpvcon, a command-line version with the same functionality.

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there are a lot of svchost.exe. Is it normal ? –  Eray Jan 13 '11 at 20:51
    
Yes, this is a part of Windows. I currently have 10 open, but I've seen up to 20+. Look at the ones that are using the network. –  tombull89 Jan 13 '11 at 21:08

It's Firefox, or malware. Run a malware scan on your PC.

There is an excellent Windows version of Ethereal, which is free.

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