ET POLICY Possible SSLv2 Negotiation in Progress Client Master Key SSL2_RC2_128_CBC_WITH_MD5
Sourceet/open
CreatedMarch 2, 2016
UpdatedJuly 26, 2019
Classificationpolicy-violation
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Possible SSLv2 Negotiation in Progress Client Master Key SSL2_RC2_128_CBC_WITH_MD5"; flow:to_server,established; flowbits:isset,SSlv2.ServerHello; content:"|02 03 00 80|"; offset:2; depth:4; threshold:type limit, count 1, seconds 600, track by_dst; reference:url,drownattack.com/drown-attack-paper.pdf; classtype:policy-violation; sid:2022585; rev:1; metadata:created_at 2016_03_02, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)
References
Metadata
created at2016_03_02
confidenceMedium
signature severityInformational
updated at2019_07_26
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