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How to stop wireless detection from laptops with built-in wireless cards when clients are offsite

Posted on 2004-04-07
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Last Modified: 2010-04-24
Company A has several employees with built in wireless cards on all laptops
Several employees travel offsite and are automatically connecting to wireless open networks without knowing.

How do I stop all laptops for company A from connecting or being prompt to open wireless networks while offsite?

Do I disable the built-in wireless NIC?
Do I set a local policy or Admin privs...

Please help!
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Question by:haal33
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6 Comments
 
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Expert Comment

by:Worked4me
ID: 10778073

Hey haal33,

  Sounds like the laptops are running Windows XP but correct me if I am wrong.
Check to see if it is set to Automatically connect to Automatically connect to Available Networks
and in the Advanced tab the Automatically connect to Non-preferred networks.

This link will give you the info on setting up preferred networks.
http://www.microsoft.com/windowsxp/pro/using/howto/networking/autoconfig.asp

Good Luck.
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Worked4me earned 1000 total points
ID: 10785973

Hey haal33,

  Depending on how much security you wan't on these laptops you could
create an ipsec policy that only allows the laptop to connect to a network
when there is a secure server.  You can then make a IPsec policy that
requires connection to the server with authentication either
Kerberos V5, Certificate Server, or preshared key.  If you use the
preshared key method it is recommended to use the same standards as
a strong password but with at least 20 + characters, numbers, and symbols,
uppercase and lowercase.  This whitepaper describes why a little investment
now may save you headaches in the future.
http://www.trapezenetworks.com/technology/whitepapers/illusionofsecurity/illusionofsecurity.pdf

Additionally Yes you can disable the built in wireless NIC if they use dialup while on the road.

Good Luck
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Author Comment

by:haal33
ID: 10823885
Sorry for the delay due to a temp. leave of Absense....You get the points
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LVL 7

Expert Comment

by:Worked4me
ID: 10837014

Thanks haal33 glad to help.
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