Bug ID 526124: Parameter matching inconsistency

Last Modified: Jun 30, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
11.6.0 HF6

Opened: Jun 02, 2015
Severity: 2-Critical


Sometimes valid parameters from request are not matched to configured protected parameters. May work correctly in one browser while failing to work in another.


Configured parameter won't be matched.


Request is bigger than one xfrag and parameter name is divided between two xfrags.


Remove unimportant cookies or add dummy cookies in order to shift parameter name inside the request. May resolve the issue. Differ between browsers.

Fix Information


Behavior Change