Rule History

alert udp $HOME_NET 5060 -> $EXTERNAL_NET any (msg:"ET VOIP Multiple Unauthorized SIP Responses UDP"; content:"SIP/2.0 401 Unauthorized"; depth:24; threshold: type both, track by_src, count 5, seconds 360; classtype:attempted-dos; sid:2009700; rev:1; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)