Workstation logins

Hi list,

I don't have a problem just a question. I have a RedHat 7.3 server running
as a gateway to an ADSL connection. I have a number of clients that use this
gateway to access the Internet.At the moment this is fine because I have a
closed LAN with wired connections. I want to put in a wireless access point
and I would like to be able to validate the user and/or machine that is
connecting over the wireless link. Is there an application I can run on my
server that will allow me to do this. basically I want to protect my LAN
from attack by someone outside the office with a wireless enabled laptop and
prevent the same person accessing the Internet via my connection.

Thanks

Simon


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