Versions (3)
Version DetailsCurrent
Rev: 2 • Jun 10, 2011, 12:00 PMET SMTP Robtex.com Block Message
alert tcp $EXTERNAL_NET 25 -> $HOME_NET any (msg:"ET SMTP Robtex.com Block Message"; flow:established,from_server; content:"robtex.com"; classtype:not-suspicious; sid:2012986; rev:2; metadata:created_at 2011_06_10, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Jun 10, 2011, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 6, 2025, 4:34 PM
rules/emerging-smtp.rules