I have a similar setup and I ended up using ebtables to take care of
that.
ebtables -A INPUT --in-interface eth0 --protocol ipv4 --ip-protocol udp
--ip-source-port 67:68 -j DROP
ebtables -A INPUT --in-interface eth0 --protocol ipv4 --ip-protocol udp
--ip-destination-port 67:68 -j DROP
ebtables -A FORWARD --in-interface eth0 --protocol ipv4 --ip-protocol
udp --ip-destination-port 67:68 -j DROP
ebtables -A FORWARD --in-interface eth0 --protocol ipv4 --ip-protocol
udp --ip-source-port 67:68 -j DROP
Can you tell me where I can put those rules? In which configuration file and
directory?
Thanks
Andrea
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