K 10 svn:author V 7 thompsa K 8 svn:date V 27 2006-09-25T04:01:20.000000Z K 7 svn:log V 254 MFC r1.81 Revert r1.11.2.38 as the ethernet header was inadvertently stripped from ARP packets. Reimplement this correctly and use a sysctl that defaults to off so the user doesnt get any suprises if ipfw blocks the ARP packet. Approved by: re (hrs) END