Last Modified: Nov 20, 2018
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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, 12.1.2, 12.1.2 HF1, 12.1.2 HF2
Opened: Sep 24, 2016
Requests to URLs longer than 1033 will be blocked on Firefox, and the browser will repeat the challenge in a loop.
URLs are longer than 1033 characters, AND: Users are using the Firefox browser, AND: Either: * Proactive Bot Defense with Suspicious Browsers enabled, OR * Client-Side Integrity Defense is enabled and is used as a DoSL7 mitigation during an attack.