I was just about thinking to it, I will try it. Many thanks and have a wonderful day!
On Sat, Dec 17, 2022 at 4:07 PM Barbaros Bilek <barbarosb...@gmail.com> wrote: > > Hello Cristian, > > If you put your physical interface into veb(4) and set link1 flag you can > filter dhcp packets. > For more please read man veb > Have a nice weekend. > > -- > Best Regards > Barbaros > > > > On Sat, Dec 17, 2022 at 4:40 PM Cristian Danila <clau...@postmail.ro> wrote: >> >> Thanks for the provided info, now it makes sense about what is happening. >> Any idea about a possible way to control these packets? >> Still investigating but I had still not found yet a way to do it. >> >> Thank you. >> >> On Sat, Dec 17, 2022 at 3:11 PM David Gwynne <da...@gwynne.id.au> wrote: >> > >> > dhcpd reads packets off the wire using BPF, which happens as packets come >> > off the network interface, but before the IP stack where pf runs. >> > >> > > On 17 Dec 2022, at 22:40, Cristian Danila <clau...@postmail.ro> wrote: >> > > >> > > Good day! >> > > I finished setup an DHCP server and for some reason it seems DHCP >> > > server is ignoring PF filter. >> > > In short, in PF I have active only one rule: >> > > block drop quick all >> > > >> > > Double checked PF and it is enabled >> > > So using a windows machine to test DHCP server: >> > > 1) ifconfig /release >> > > 2) ifconfig /renew >> > > >> > > somehow dhcpd still serves the windows(only when is enabled) and >> > > ignores PF rule. >> > > Could you please help me in telling if dhcpd has some intended logic >> > > to ignore PF or what might >> > > cause this unexpected behavior? >> > > >> > > Kind Regards! >> > > >> > >>