alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Cisco Router HTTP DoS"; flow:to_server,established; content:"/%%"; http_uri; reference:url,www.cisco.com/warp/public/707/cisco-sn-20040326-exploits.shtml; classtype:attempted-dos; sid:2000006; rev:13; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, reviewed_at 2023_10_13;)