[Dnsmasq-discuss] Duplicate IP detection with fixed IP

Simon Kelley simon at thekelleys.org.uk
Tue Oct 16 00:26:28 BST 2018


On 08/10/18 11:39, Bernard CLABOTS wrote:

> => So My iPhone is legit.
> 
> "Servers with knowledge of the client's configuration parameters
> 
>       respond with a DHCPACK message to the client.  Servers SHOULD NOT
>       check that the client's network address is already in use; the
>       client may respond to ICMP Echo Request messages at this point."
> 
> => Invalidates the fix you did in 2017:
> "
> 
> commit 5ce3e76fbf89e942e8c54ef3e3389facf0d9067a
> 
> Author: Simon Kelley <simon at thekelleys.org.uk>
> 
> Date:   Fri Apr 28 22:14:20 2017 +0100
> 
>  
> 
>     DHCPv4: do ICMP-ping check in all cases other that current lease.
> 
> "


This was partially reverted in 1d224949cced9e82440d00b3dbaf32c262bac2ff





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