CloudFlare provides web performance and security solutions, improving site speed and protecting against threats.
Service URL: developers.cloudflare.com (opens in a new window)
cf_chl_rc_m
These cookies are for internal use and enable Cloudflare to identify production issues affecting clients.
session
__cfruid
Used by the content network, Cloudflare, to identify trusted web traffic.
session
__cf_bm
Cloudflare’s bot products identify and mitigate automated traffic to protect your site from malicious bots. Cloudflare places the __cf_bm cookie on end-user devices that access customer sites protected by Bot Management or Bot Fight Mode. The __cf_bm cookie is necessary for these bot solutions to function properly.
session
__cflb
When session affinity is enabled with Cloudflare Load Balancer, Cloudflare sets a __cflb cookie with a unique value in the first response to the requesting client. Cloudflare routes future requests to the same origin, optimising network resource usage. In the event of a failover, Cloudflare sets a new __cflb cookie to direct future requests to the failover pool.
session
_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.
session
cf_clearance
Whether a CAPTCHA or JavaScript challenge has been solved.
session
__cfseq
Sequence Rules uses cookies to track the order of requests a user has made and the time between requests, and makes this information available via Cloudflare Rules. This allows you to write rules that match valid or invalid sequences. The specific cookies used to validate sequences are called sequence cookies.
session
cf_ob_info
The cf_ob_info cookie provides information on: The HTTP status code returned by the origin web server. The Ray ID of the original failed request. The data centre serving the traffic
session
__cfwaitingroom
The __cfwaitingroom cookie is only used to track visitors who access a host and path combination for a zone where the waiting room is enabled. Visitors using a browser that does not accept cookies cannot access that host and path combination whilst the waiting room is active.
session
cf_chl_rc_i
These cookies are for internal use and enable Cloudflare to identify production issues affecting clients.
session
cf_chl_rc_ni
These cookies are for internal use and enable Cloudflare to identify production issues affecting clients.
session
cf_use_ob
The cf_use_ob cookie instructs Cloudflare to retrieve the requested resource from the Always Online cache on the specified port. Valid values are: 0, 80 and 443. The cf_ob_info and cf_use_ob cookies are persistent cookies that expire after 30 seconds.
session
