On Mon, 27 Apr 2020 at 00:08, Lev R. Oshvang . <levonshe@xxxxxxxxx> wrote: > > Hi list, > From my google search I did not find any netfilter /iptable rule which > allows to filter on CAN fields, message ID and other. > Please point me in the right direction. You can do basic filtering with the CAN Gateway https://cateee.net/lkddb/web-lkddb/CAN_GW.html https://manpages.debian.org/testing/can-utils/cangw.1.en.html Hope this helps. Chris