If I wanted to block a DHCP server at a customer's house (say a Linksys
plugged in backwards) from the CPE (MT) what filter rules would I need?

I have tried blocking port 67 both tcp and udp as well as src and dst - but
when I know a customer is providing DHCP the packet counts never go up.  I
am using the forward chain, this customer does not have a bridge interface.

Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

Those who don't understand UNIX are condemned to reinvent it, poorly.
--- Henry Spencer
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