DNS: Class is not IN

This protocol anomaly is a DNS request/reply in which the question/resource address class is not IN (Internet Address). Although allowed by the RFC, this should happen only in rare circumstances and may indicate an exploit attempt.

Short Name
DNS:AUDIT:CLASS-NON-IN
Severity
Info
Recommended
False
Recommended Action
None
Category
DNS
Release Date
04/22/2003
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3324
False Positive
Unknown

Found a potential security threat?