Hacking NoCat

Hi,
  New to the list. I just installed and setup NoCatAuth. First, thanks for
all your hard work. Second, I have some questions about extending and
modifying NoCatAuth, so I figured this would be a good place to start.

I'm working on a bit of an art project that involves public wifi. The
central concept of the project depends on my firewall (Kubuntu running DHCP
and NoCatAut with a Linksys AP) dynamically allowing users on and off the
network. That is, some information will be sent to the firewall from outside
the network, and the firewall will make a decision about which users to keep
or release from the network.  Is there a way to dynamically add/remove MAC
addresses (and therefore machines) from NoCat's auth/ban list? Maybe using
iptables? Or should I control this by modifying the MySQL database on the
fly?

Thanks,

Fred

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