If I recall, DHCP Client/Server is part of the kernel and is not processed by the filter rules as all for both ip filters and bridge filters. You may be able to block dhcp going through the router in a bridge but anything destined or sourced to the router in input/output are just ignored.
I believe I put Janis on the spot in front of everyone in a session he led by asking him that at one of the MUM's I went to. ;) Things may have changed in ROS 6. YMMV in 6. Justin On Jan 23, 2014, at 12:13 PM, Ty Featherling <[email protected]> wrote: > Can someone confirm that you CANNOT manage traffic FROM the DHCP Server on > a Mikrotik with IP Firewall? > > To test this I added the rule: > > add action=log chain=output disabled=no protocol=udp src-port=67 > > Nothing is caught. > > -Ty > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://mail.butchevans.com/pipermail/mikrotik/attachments/20140123/d4013815/attachment.html> > _______________________________________________ > Mikrotik mailing list > [email protected] > http://mail.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS _______________________________________________ Mikrotik mailing list [email protected] http://mail.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS

