Bug ID 617648: Surfing with IE8 sometimes results with script error

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2

Fixed In:

Opened: Sep 20, 2016
Severity: 2-Critical


Slow devices running Internet Explorer 8 can suffer performance issues on websafe protected sites.


Clientside slowness. In extreme cases, a popup asking the user whether to stop the script.


Slow device running Internet Explorer 8. Large number of configured or updated malware signatures.


Reduce the number of malware signatures

Fix Information

Compressed signatures

Behavior Change