Bug ID 478450: Improve log details when "Detection invalid host header ()" is logged

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4

Fixed In:
15.1.0, 14.1.2.8

Opened: Sep 08, 2014

Severity: 4-Minor

Symptoms

There is no way for the APM admin to determine the source of the sessions for the log message "Detected invalid host header ()", even at debug level logging.

Impact

It is difficult for admin to determine the source of the error.

Conditions

1- Create APM virtual with any access policy 2- On another BIG-IP, create a pool with an HTTPS monitor to that APM virtual server. 3- Notice the logging in APM.

Workaround

None

Fix Information

New addition to the log message: "Detected invalid host header () originating from IP <IP address>"

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips