Re: npf and dhcp
BERTRAND Joël <[email protected]> Tue, 26 May 2026 08:26:50 +0200
| Newsgroups | gmane.os.netbsd.general |
|---|---|
| Message-ID | <[email protected]> |
Greg Troxel a écrit : > BERTRAND Joël <[email protected]> writes: > >> Greg Troxel a écrit : >>> BERTRAND Joël <[email protected]> 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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