CloudFlare provides web performance and security solutions, enhancing site speed and protecting against threats.
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cf_use_ob
The cf_use_ob cookie informs Cloudflare to fetch the requested resource from the Always Online cache on the designated port. Applicable values are: 0, 80, and 443. The cf_ob_info and cf_use_ob cookies are persistent cookies that expire after 30 seconds.
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__cfwaitingroom
The __cfwaitingroom cookie is only used to track visitors that access a waiting room enabled host and path combination for a zone. Visitors using a browser that does not accept cookies cannot visit the host and path combination while the waiting room is active.
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cf_chl_rc_i
These cookies are for internal use which allows Cloudflare to identify production issues on clients.
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cf_chl_rc_ni
These cookies are for internal use which allows Cloudflare to identify production issues on clients.
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cf_chl_rc_m
These cookies are for internal use which allows Cloudflare to identify production issues on clients.
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__cfruid
Used by the content network, Cloudflare, to identify trusted web traffic.
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__cf_bm
Cloudflare's bot products identify and mitigate automated traffic to protect your site from bad bots. Cloudflare places the __cf_bm cookie on End User devices that access Customer sites that are protected by Bot Management or Bot Fight Mode. The __cf_bm cookie is necessary for the proper functioning of these bot solutions.
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__cflb
When enabling session affinity with Cloudflare Load Balancer, Cloudflare sets a __cflb cookie with a unique value on the first response to the requesting client. Cloudflare routes future requests to the same origin, optimizing network resource usage. In the event of a failover, Cloudflare sets a new __cflb cookie to direct future requests to the failover pool.
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_cfuvid
The _cfuvid cookie is only set when a site uses this option in a Rate Limiting Rule, and is only used to allow the Cloudflare WAF to distinguish individual users who share the same IP address.
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cf_clearance
Whether a CAPTCHA or Javascript challenge has been solved.
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