Versions (3)
Version DetailsCurrent
Rev: 10 • Sep 23, 2010, 12:00 PMGPL TELNET TELNET login failed
alert tcp $TELNET_SERVERS 23 -> $EXTERNAL_NET any (msg:"GPL TELNET TELNET login failed"; flow:from_server,established; content:"Login failed"; nocase; classtype:bad-unknown; sid:2100492; rev:10; metadata:created_at 2010_09_23, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Sep 23, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 9, 2025, 9:35 PM
rules/emerging-telnet.rules