alert udp $EXTERNAL_NET any -> $HOME_NET 67 (msg:"GPL MISC bootp invalid hardware type"; content:"|01|"; depth:1; byte_test:1,>,7,1; reference:cve,1999-0798; classtype:misc-activity; sid:2101940; rev:4; metadata:created_at 2010_09_23, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)