Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4
Opened: Jan 30, 2016 Severity: 3-Major
Some rare cases of Internet Explorer browsers that are running on Windows Server and connected via Remote Desktop may receive a CAPTCHA challenge instead of passing through directly, when "Proactive Bot Defense" is enabled on the DoS profile, and "Block requests from suspicious browsers" is also enabled.
Some rare cases of Internet Explorer browsers that are running on Windows Server and connected via Remote Desktop may receive a CAPTCHA challenge instead of passing through directly.
"Proactive Bot Defense" is enabled on the DoS profile, and "Block requests from suspicious browsers" is also enabled.
Disabling the "Block requests from suspicious browsers" check-box on the DoS profile will prevent this problem.
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