ET INFO Observed Let's Encrypt Certificate from Active Intermediate, R3
Sourceet/open
CreatedFebruary 14, 2022
UpdatedFebruary 14, 2022
Classificationmisc-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Observed Let's Encrypt Certificate from Active Intermediate, R3"; flow:from_server,established; tls.cert_issuer; content:"R3"; fast_pattern; reference:url,letsencrypt.org/certificates/; classtype:misc-activity; sid:2035190; rev:2; metadata:created_at 2022_02_14, deployment Perimeter, deployment SSLDecrypt, deprecation_reason Performance, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_14;)
References
Metadata
created at2022_02_14
deploymentSSLDecrypt
deprecation reasonPerformance
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_02_14
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