does isc dhcp 4.2.3 support blocking client which send many

Simon Hobson dhcp1 at thehobsons.co.uk
Wed Mar 7 15:52:12 UTC 2012


Martin McCormick wrote:

>A good mechanism for controlling insane systems
>might be to read time intervals between each MAC address contact
>and start ignorring anybody who has contacted DHCPD more than X
>number of times in X number of seconds.

Which is the sort of task Logwatch was written for. Anyone know if 
any DHCP filters/actions have been written for it ?

However, that won't work for devices behind a relay agent. And 
someone said that iptables doesn't work either.

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Simon Hobson

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