HTTP: Unexpected older version response

The protocol anomaly triggers when unexpected HTTP v.0.9 response for the request was v.1.* is detected. It may indicate an attempt of bypassing security-related checks by using obsoleted version of the protocol.

Short Name
HTTP:INVALID:UNEXPECTED-09-RESP
Severity
Major
Recommended
False
Recommended Action
None
Category
HTTP
Release Date
01/17/2018
Supported Platforms

srx-branch-12.3

srx-branch-19.3

vsrx3bsd-19.2

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

srx-19.4

vsrx-12.3

srx-12.3

vsrx-19.2

srx-19.3

Sigpack Version
3324
False Positive
Frequently

Found a potential security threat?