You can specify how long a visitor is allowed access to your Cloudflare site after successfully completing a challenge (such as a CAPTCHA). After the TTL has expired the visitor will have to complete a new challenge. We recommend a 15 - 45 minute setting and will attempt to honor any setting above 45 minutes. You can get to the Challenge Passage TTL option by going to the Settings tab of the Cloudflare Firewall app.
Note: The Challenge Passage TTL does not apply to challenges issued by the web application firewall (WAF) as these challenges are triggered by actions taken on a domain, and not based on the visitor's IP address.
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