Rule History

alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flow:to_server; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; classtype:misc-activity; sid:2001904; rev:7; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)