![]() If you are seeing 522 errors in certain locations only, it means you likely forgot to whitelist one of our ranges that corresponds to these locations, so double check to ensure all our IPs are whitelisted appropriately. In that sense, many actual visitors may all come from the same IP address, which can cause firewalls or security software that is not appropriately whitelisting the Cloudflare IP ranges to block this traffic as it may see it as excessive or malicious ![]() Because Cloudflare operates as a reverse proxy the IP address your server will see is one of a limited number of Cloudflare IPs. If the IPs that fail are consistent each time, that indicates some of the IPs in Cloudflare’s IP ranges are either being rate-limited or blocked by a network device at your hosting provider. Make sure your hosting provider isn’t rate limiting or blocking IP requests from the Cloudflare IPs and ask them to whitelist the IP addresses here. Make sure that you’re not blocking Cloudflare IPs in. ![]() When this happens, you’ll see “ERR_CONNECTION_TIMED_OUT”. This typically happens when Cloudflare requests to the origin (your webserver) get blocked. Try the suggestions in this Community Tip to help you fix Error 522 “ERR CONNECTION TIMED OUT” in Google Chrome or “The connection has timed out” in Firefox.Ī 522 error happens when a TCP connection to the web server could not be established.
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