Rule History

SID: 2001882 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 10 • Jul 30, 2010, 12:00 PM

Message:

ET DOS ICMP Path MTU lowered below acceptable threshold

Rule:

alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS ICMP Path MTU lowered below acceptable threshold"; itype:3; icode:4; byte_test:2,<,576,6; byte_test:2,!=,0,7; reference:cve,CAN-2004-1060; reference:url,www.microsoft.com/technet/security/bulletin/MS05-019.mspx; reference:url,isc.sans.org/diary.php?date=2005-04-12; classtype:denial-of-service; sid:2001882; rev:10; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 4, 2025, 10:34 PM

Filename:

rules/emerging-dos.rules