Bug ID 526833: Reverse Proxy produces JS error: 'is_firefox' is undefined

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.5.3, 11.5.3 HF1

Fixed In:
11.5.3 HF2

Opened: Jun 08, 2015

Severity: 2-Critical

Symptoms

Web application does not work. There is error in JS console: 'is_firefox' is undefined

Impact

Web sites does not work

Conditions

Web application is running through Portal Access

Workaround

None

Fix Information

Error is fixed. Web applications work through Portal Access.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips