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

Last Modified: Sep 13, 2023

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

Known Affected Versions:

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

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips