[Winpcap-users] Monitoring multiple network interfaces

Gianluca Varenni gianluca.varenni at cacetech.com
Thu Dec 3 10:40:12 PST 2009

----- Original Message ----- 
From: "soulstone" <soulstone at gmx.de>
To: <winpcap-users at winpcap.org>
Sent: Thursday, December 03, 2009 8:49 AM
Subject: [Winpcap-users] Monitoring multiple network interfaces

> Hi,
> I've tried to monitor multiple networ interfaces installed on
> a system.
> The reason is that I need to monitor network traffic to determine 
> whether a user navigates to a given url.
> I'd rather capture only packages from the interface which is connected 
> to the internet but I don't know how to find out which one I need.
> So I tried to monitor all interfaces.
> I did this by creating one thread per interface which calls pcap_loop.
> But this doesn't work.

What do you mean by "it doesn't work"?


> Specifying only one interface everything works fine.
> Can I only monitor one interface at once or do I miss something?
> Maybe someone can give me an advice.
> Kind regards,
>   dy 
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