Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
12.1.2, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1
Fixed In:
13.1.0, 12.1.3
Opened: Apr 06, 2017 Severity: 3-Major Related Article:
K36442669
When running Safari or Firefox in incognito mode on iOS devices, browser gets TCP RST and will not be able to pass client-side challenge. The system posts the following error in tmm log: failed parsing header 3.
Browser cannot access the site.
1. Web scraping is configured. 2. Persistent client identification is enabled. 3. Using Safari or Firefox on iOS devices.
Turn off persistent client identification.
Safari, Firefox in incognito mode on iOS device can now pass persistent client identification challenge.