does isc dhcp 4.2.3 support blocking client which send many
perl-list at network1.net
Wed Mar 7 17:21:13 UTC 2012
you could add them to a class and then ignore the class? That should at least reduce the load - it certainly will stop them from generating log messages.
----- Original Message -----
> From: "Simon Hobson" <dhcp1 at thehobsons.co.uk>
> To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> Sent: Wednesday, March 7, 2012 10:52:12 AM
> Subject: Re: does isc dhcp 4.2.3 support blocking client which send
> 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.
> Simon Hobson
> Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> author Gladys Hobson. Novels - poetry - short stories - ideal as
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