[Winpcap-users] pcap_findalldevs returns empty list on Vista

[Carlo Medas]

Dear John,
Packet capturing feature requires administration privileges. If Wireshark
installs the service, it's a worksaround for that need.

In other case if you want to run your application, you must start it with
administration privileges; e.g. by right clicking on it and then selecting
"Run as administrator".

Br,

\Carlo Medas

On Tue, Sep 30, 2008 at 8:29 PM, John Bruder <johnb at sisconet.com> wrote:

> My application runs fine with Winpcap 4.0.2 on Windows 2000 and XP, but
> fails on Vista because "pcap_findalldevs" returns an empty list.
>
> However, if I install Wireshark on Vista, and check the box to have it
> "start the Winpcap NPF service", the "pcap_findalldevs" function in my
> application works. If I reinstall Wireshark and do NOT check the box to
> "start the Winpcap NPF service", pcap_findalldevs fails again.
>
> I do not want to require Wireshark to use my application, but the Winpcap
> documentation does not explain how to "start the Winpcap NPF service".
>
> --
> John Bruder
> SISCO, Inc.
> 6605 19 1/2 Mile Road
> Sterling Heights, MI 48314
> Phone: 586-254-0020,  Ext. 121
>
>
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>
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