Prevent\Detect Dual Homing

Prevent\Detect Dual Homing
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Subject Author Date
Prevent\Detect Dual Homing happy.ppp 08-27-2006
Posted by on August 27, 2006, 2:40 am
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Is there a script to tweak the registry key that we can used to
detected if wireless and wired NIC has been enabled simultaneously.
Under this condition, the wireless NIC shall be disabled.

It is possible to bridge wireless and wired NIC in XP. Thus, this is
why we want a script that disable the wireless NIC and left the wired
NIC active.

Any out there can help. Thanks


Posted by Sebastian Gottschalk on August 30, 2006, 7:33 am
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happy.ppp@gmail.com wrote:

> Is there a script to tweak the registry key that we can used to
> detected if wireless and wired NIC has been enabled simultaneously.
> Under this condition, the wireless NIC shall be disabled.

Yes, but I woulnd't do it with the registry keys, but rather with
live-updates device manager information. Or do you want to reboot after
every change?

You may take a look at devcon.exe from Windows XP/Server 2003 Support
Tools. It allows you to query and set states of certain devices, including
NICs. However, doing so requires Network Operator privileges.

> It is possible to bridge wireless and wired NIC in XP. Thus, this is
> why we want a script that disable the wireless NIC and left the wired
> NIC active.

What a nonsense. Any user without the required privileges is not able to
create such a bridge. You're searching for a wrong solution and the wrong
point.

Posted by happy.ppp on September 1, 2006, 9:27 pm
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The user login as local administrator of the laptop and thus he/she has
all the administrative right / privilege to select the wired and
wireless interface and than bridge them together.




Sebastian Gottschalk wrote:
> happy.ppp@gmail.com wrote:
>
> > Is there a script to tweak the registry key that we can used to
> > detected if wireless and wired NIC has been enabled simultaneously.
> > Under this condition, the wireless NIC shall be disabled.
>
> Yes, but I woulnd't do it with the registry keys, but rather with
> live-updates device manager information. Or do you want to reboot after
> every change?
>
> You may take a look at devcon.exe from Windows XP/Server 2003 Support
> Tools. It allows you to query and set states of certain devices, including
> NICs. However, doing so requires Network Operator privileges.
>
> > It is possible to bridge wireless and wired NIC in XP. Thus, this is
> > why we want a script that disable the wireless NIC and left the wired
> > NIC active.
>
> What a nonsense. Any user without the required privileges is not able to
> create such a bridge. You're searching for a wrong solution and the wrong
> point.

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