Mac block or Prevent DOS attack in DHCPv6

Sten Carlsen stenc at s-carlsen.dk
Wed Nov 20 10:56:54 UTC 2013


Hi

Some printers, I have heard, require a VERY(like 2 years) long lease to
be happy. This may be the problem with your printer, I don't remember
which printers.

On 20/11/13 06.05, Amit wrote:
>
> Hi,
>
>  
>
> Just like ISC dhcpv4, do we have any option to deny host based on
> mac/duid.
>
>  
>
> And secondly, In my network due to some bug in HP printer, it is
> generating many DHCP REPLY request per second and hence keeping dhcp busy.
>
> Do we have any option to deny such client in dhcp itself as It seems
> impossible to block such client using mac address as the dhcp packets
> are relayed by an router
>
>  
>
> Please help
>
>  
>
>  
>
> --
>
> Thanks & Regards
>
>  
>
> Amit Kumar
>
> Scientific Officer
>
> Operation and Routing Group
>
> M/O Communication and IT, NIC, A- Block, CGO Complex, New Delhi
>
> Ph. +911122900332, NKN VoIP:7332
>
> Mob. +919910611621
>
>  
>
>
>
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users

-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!" 

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