Bug ID 665430: Endless loop of requests when Fingerprint enabled on ASM Policy and client timezone is UTC+5 and east

Last Modified: Jul 12, 2023

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

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0

Opened: May 18, 2017

Severity: 3-Major

Symptoms

An endless loop of requests will be sent by browser when an ASM end user attempts to access a virtual server when Fingerprint is enabled on the ASM Policy. This happen only for client systems that are located in a timezone of UTC+5 or east from that.

Impact

ASM end users are being blocked from accessing the back-end server.

Conditions

-- Fingerprint is enabled on the ASM Policy. -- ASM end users are located in a timezone of UTC+5 or east from that.

Workaround

None.

Fix Information

ASM end users in timezone UTC+5 and eastward no longer experience a request loop when Fingerprint is enabled on the ASM Policy.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips