Last Modified: Jul 12, 2023
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 13.1.5, 13.1.5.1
Opened: Jun 22, 2017 Severity: 3-Major
False positive 'Illegal meta character in header' violation is posted.
ASM violation. Blocking page.
This occurs when the browser sends un-escaped headers in a specific language.
To work around this issue, turn off the 'Illegal meta character in header' violation. Note: This is a known issue with Microsoft Internet Explorer v11.
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