I need some help with WinPcap and I have read from various sources
(http://www.ethereal.com/faq.html, http://winpcap.polito.it/misc/faq.htm) that I am not the only one with this problem.
A normal user is unable to capture packets on my Windows XP machine. The Network Card does not appear in the Adapter List. Ethereal does not work. Neither does Windump (Application Error).
I tried quite a lot of versions of each software, up to Windump 3.8, Ethereal 0.9.13a and WinPcap 3.01a.
With no success.
But when I use a privileged account like administrator and run Ethereal (or another WinPcap based application), everyone is now able to capture packets. Until the computer is shut down.
So I would like to configure a small command line like this: tethereal -c 3
to run automatically with Windows XP startup, BEFORE any user logs on to the system.
Do you know if such thing is possible under WinXP? It used to be possible in previous Windows versions, but I could not find any HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
in XP registry. .. ? ?
Is it possible to run an application with "administrative credentials"? Without asking for password?
I searched XP List of Services and found a service called "Remote Packet Capture Protocol v.0 (experimental)" that points to "%Program Files%\WinPcap\rpcapd.exe", but I could not make it work.
(I spent two days trying to configure this service with no success).
Today I also read that I shoud look for an "NPF" Service, named "Netgroup Packet Filter", and msinfo32.exe reports that this service is installed but "NOT STARTED". Start mode is MANUAL.
This NPF service only appears when I run msinfo32, it is not listed in Windows "normal" list (My Computer-->Adm...->Services...)
Where can I find this service in order to configure it?
Please, could you help me to solve this problem?
I am quite angry with Windows XP, because WinPcap used to work fine in Windows 98.
I say "Thanks" to everyone who is reading this mail. Thank you very much for your attention.
Have a nice day, Diedrich Schultz.
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