Daniel Pittman a écrit :
you can't assign 0.0.0.0 to an interface in Linux,
so the DHCP client uses a "packet socket" -- reading direct from the
interface, bypassing the firewall.
That sounds consistant. But what about the DHCP server side ?
It made the ISC DHCP developers very unhappy when it changed within
Linux, and I believe that the same is required on the server side
because you cannot assign 0.0.0.0 as a valid source address their
either.
I guess this is not a problem for a DHCP server since it uses its own
source IP address and never sends packets with 0.0.0.0 as a source address.
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