alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Vulnerable Java Version 9.x Detected"; flow:established,to_server; flowbits:set,ET.http.javaclient.vulnerable; threshold:type limit, count 2, seconds 300, track by_src; http.user_agent; content:"Java/9."; reference:url,www.oracle.com/technetwork/java/javase/documentation/9u-relnotes-3704429.html; classtype:bad-unknown; sid:2025314; rev:4; metadata:affected_product Java, attack_target Client_Endpoint, created_at 2018_02_05, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Informational, tag EOL, updated_at 2023_12_13;)