Rule History

SID: 2100197 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Sep 23, 2010, 12:00 PM

Message:

GPL ICMP undefined code

Rule:

alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL ICMP undefined code"; icode:>18; classtype:misc-activity; sid:2100197; rev:4; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Sep 23, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 16, 2025, 8:36 PM

Filename:

rules/emerging-icmp.rules