[LARTC] HOWTO: Hello New MAC / DHCP Request - How to spot the presents of a new MAC address...

[Don Gould]

Sheldon Hearn wrote:
> I'm sure you could engineer something really impressive, but you could 
> probably get away with a lot less effort by simply tailing whatever 
> dhcpd logs to (possibly /var/log/messages).

Yes, that discussion has been had some where...

Some research in to dnsmasq and a few emails to the guy who wrote it
showed up the answer...

> You may not need to make any source changes at all: dnsmasq will call a custom script whenever a DHCP lease is created or destroyed: see the --dhcp-script flag in the manpage for details. The MAC address and IP address and name of the host are passed to the script. 


-- 
Don Gould
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