Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Encrypted Application Data on Unusual Port"; flowbits:isset,BS.SSL.Established; flow:established,to_server; content:"|17 03 01|"; depth:4; threshold:type limit, count 1, seconds 120, track by_src; classtype:unusual-client-port-connection; sid:2003020; rev:9; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2019_07_26;)