Greg Troxel a écrit : > BERTRAND Joël <joel.bertrand%systella.fr@localhost> writes: > >> Greg Troxel a écrit : >>> BERTRAND Joël <joel.bertrand%systella.fr@localhost> writes: >>> >>>> As boots and bootc ports are closed, how can this server answer to DHCP >>>> request ? >>> >>> bpf? >> >> I beg your pardon, but I don't understand your answer. > > How is the DHCP server receiving and sending packets? Sometimes that > kind of server uses raw sockets and sometimes it uses bpf. It is not > clear to me how npf interacts with bpf hooks, but I would expect packets > blocked from ip_input to still reach bpf_mtap. In this case, how can we trust npf rules ?
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