Bug ID 588058: False positive "failed to unseal" Source Integrity alerts from old versions of Internet Explorer

Last Modified: Nov 07, 2022

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:
13.0.0, 12.1.2

Opened: Apr 17, 2016
Severity: 3-Major


Large numbers of "failed to unseal" Source Integrity alerts.


High number of false positive alerts in alert dashboard.


Source integrity feature enabled. Clients using Internet Explorer 8 to 10.


Create alert dashboard signature to ignore source integrity alerts containing "failed to unseal" and Internet Explorer 8 to 10 user agent.

Fix Information

Fixed parsing in relevant browsers.

Behavior Change