HTTP:Unexpected older version request
The protocol anomaly triggers when unexpected HTTP v.0.9 request is detected. It may indicate an attempt of bypassing security-related checks by using obsoleted version of the protocol and 2-nd request in the session while it should close after 1-st response.
Short Name
HTTP:INVALID:UNEXPECTED-09-REQ
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
3577
False Positive
Rarely