Causes
Usually caused by a configuration issue on the origin web server, when these two conditions are true :
The SSL handshake fails between Cloudfla...
Causes
Cloudflare cannot validate the SSL certificate at your origin web server
Full SSL (Strict) SSL is set in the Overview tab of your Cloudflare SS...
Causes
This error indicates Cloudflare is unable to send requests to your server because its origin IP cannot resolve the A/AAAA or CNAME DNS record reque...
Causes
A client or browser is blocked by a Cloudflare customer’s Firewall Rules.
Fixes
If You Are Not The Website Owner:
Step 1: Provide A Screensho...
Causes
A request is not serviced because the domain has reached plan limits for Cloudflare Workers.
Fixes
Step 1: Purchase Workers Subscription
...
Causes
a Cloudflare Worker throws a runtime JavaScript exception.
Fixes
Step 1: Provide Appropriate Issues Details
Provide appropriate issues de...
Causes
There are too many requests queued on Cloudflare’s edge that are awaiting process by your origin web server. This limit protects Cloudflare’s sys...
Causes
A request is made for a resource that uses Cloudflare hotlink protection.
Fixes
Step 1: Notify The Website Owner
Notify the website owner of ...
Causes
The Cloudflare domain was recently activated and there is a delay propagating the domain’s settings to the Cloudflare edge network
The Cloudfla...
Causes
The site owner implemented Rate Limiting that affects your visitor traffic
Fixes
Step 1
If you are a site visitor, contact the site owner to ...