Require password for network access

Hello Security world.

I would like to know if anyone can provide best solutions for password
protecting access to network (internet) from unauthorized users,
particularly from visitors. We would like to have a solution in place
like most hotels have where you connect and are prompted to pay for
internet access. In our case, we don't want to charge but we would like
to restrict access unless we provide a password to obtain an IP address
and internet access. This solution will be for wired network, and
preferably, each user will need to contact IT for temporary username and
password. Right now anyone can come in and connect to any live jack and
get network access. Although we can unplug all unused network jacks, we
would rather have a more centralized management solution.


Jet Aviation
Rolando Ruiz

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