[Winpcap-users] Using winpcap on a VPN

Gianluca Varenni gianluca.varenni at cacetech.com
Tue Mar 13 02:02:54 GMT 2007

----- Original Message ----- 
From: "Gaming Mouse" <gaming_mouse at yahoo.com>
To: <winpcap-users at winpcap.org>
Sent: Tuesday, March 06, 2007 11:15 PM
Subject: [Winpcap-users] Using winpcap on a VPN

> Hi,
> I am using winpcap (via jpcap) to try to sniff packets being sent over a
> VPN.  I have a simple test program that works fine and captures all
> traffic when I am using my wireless connection with no VPN.  In this
> case, I choose the device id corresponding to my wireless card.
> However, if I run the VPN and choose the device id for the dialup
> adapter, I get a message saying that the device cannot be opened.
> How can I make this work?

I need some more details: which kind of VPN are you using? Which VPN client 
in particular?

Can you please file a bug report as explained here:


Have a nice day

> Thanks,
> gm
> ____________________________________________________________________________________
> Expecting? Get great news right away with email Auto-Check.
> Try the Yahoo! Mail Beta.
> http://advision.webevents.yahoo.com/mailbeta/newmail_tools.html
> _______________________________________________
> Winpcap-users mailing list
> Winpcap-users at winpcap.org
> https://www.winpcap.org/mailman/listinfo/winpcap-users 

More information about the Winpcap-users mailing list