DNS: RA Bit Set

This protocol anomaly triggers when it detects a client-to-server DNS message with the recursion-available bit (RA) set. This can indicate an exploit attempt.

Short Name
DNS:AUDIT:REQ-INVALID-HDR-RA
Severity
Info
Recommended
False
Recommended Action
None
Category
DNS
Keywords
DNS RA RECURSION-AVAILABLE
Release Date
08/27/2003
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?