Does anyone know about some free (as in beer, and maybe as in speech) software
which would implement authentication and authorization of a user prior to
issuing a valid dhcp lease?
I imagine the following scenario: someone walks into my office building with a
laptop (a colleague, a visitor, a guest, whoever), and hooks up onto the local
net (wired or wireless). The server detects an unknown MAC address, issues a
bogus dhcp lease which resolves all dns queries to a single internal web page
with a form the user is supposed to fill in and send. After he does so, an
administrator does a sanity check of the data the user provided, and grants or
denies access. If access is granted, the user gets a new, unrestricted dhcp
lease, which provides him with a normal access to local network.
The goal is to have a database which relates IP or MAC addresses to people
names, so I can track a person down efficiently if he brings an
infected/spamming machine into the building.
I would know how to build this infrastructure manually, but it's a lot of
work, and I don't want to reinvent the wheel. Google somehow failed to help,
or I failed to provide the right keywords. :-(
So what are my options?
TIA, :-)
Marko
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