Hi,

It's solved now, i just turned on the logging on the blocks with ipf
and saw that the dhcp machine tried to send a packet from port 67 udp
to my machine port 68 udp.
I allowed that for these specific machines to happen with keep state
(dont know if keep state if such a good idea, it only seems to happen once
so perhaps it keep state of that until it expires hmmm anyway).
That solved it.
Bye,

Mipam.