[Dnsmasq-discuss] [PATCH] Nack requests for unknown leases.

[Alin Năstac]

On Fri, Apr 28, 2017 at 11:20 PM, Simon Kelley <simon at thekelleys.org.uk> wrote:
> That's the bug here, I think. I was worried that a client sending a
> DHCPDISCOVER when it thinks it knows that address, might respond to ICMP
> pings, but at least for ISC dhclient on Linux, that's not the case.
>
> Patch is here, and was much more trouble than it should have been: the
> code really didn't consider this case.
>
> http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=5ce3e76fbf89e942e8c54ef3e3389facf0d9067a

I've tested the patch, it fixes the scenario I described earlier.

Thanks!