Error code 521

Common causes of this error include an unavailable web server, a misconfigured Cloudflare configuration, or an invalid Secure Sockets Layer SSL certificate.

Crawl the website for technical issues and get a prioritized to-do list with detailed guides on how to fix. The status code serves as a specific signal that the requested server is down. Unlike broader server errors, it pinpoints the issue to server unavailability rather than an error in the application code or other server-side problems. In the context of website maintenance and SEO, understanding and addressing a status code is essential for keeping a site accessible to users and search engines. From search rankings to user experience, this status code has broad implications that website owners must address.

Error code 521

My website is showing error connection timed our since morning. My website name is comparisonkaro. I am not able to find solution anywhere. Error occurs when the origin web server refuses connections from Cloudflare. Security solutions at your origin may block legitimate connections from certain Cloudflare IP addresses. You are not logged in. Log in to post an answer. A good answer clearly answers the question and provides constructive feedback and encourages professional growth in the question asker. Follow Comment Share. Newest Most votes Most comments. Are these answers helpful? Upvote the correct answer to help the community benefit from your knowledge. Hi, Error occurs when the origin web server refuses connections from Cloudflare. The two most common causes of errors are: Offlined origin web server application Blocked Cloudflare requests Resolution Contact your site administrator or hosting provider to eliminate these common causes: Ensure your origin web server is responsive Review origin web server error logs to identify web server application crashes or outages. Comment Share.

What's the difference between a status code and other 5xx server errors? Ensure all those IP addresses are whitelisted or allowed on your web server. Cloudflare attempted to connect to your origin server on port 80 orbut received error code 521 connection refused error.

Cloudflare will return an error message when your website refuses a connection with Cloudflare. This is frequently caused by firewalls or security software. Similar to Cloudflare error , there are a couple of different ways to fix this error. Cloudflare error occurs when Cloudflare cannot make a TCP connection to your origin server. Cloudflare attempted to connect to your origin server on port 80 or , but received a connection refused error.

Error occurs when the origin web server refuses connections from Cloudflare. It simply indicates that the website is experiencing server-side issues and is very commonly found in websites integrated with Cloudflare. We know such downtimes can severely affect your website traffic and revenue, so here we come up with some easy solutions to fix error code Cloudflare as well as its true meaning. So, without further ado, let us get started. Error Code indicates that Cloudflare is unable to access the origin server or your website server. Incorrect server configuration : The servers must be properly configured to work with CDNs or else it can trigger Error Code

Error code 521

Updated: November 07, Published: October 30, If you connect your WordPress website to Cloudflare, you may run into error Many site owners connect their sites to Cloudflare, a free content delivery network CDN and security service for fast speed and increased security. Error is an error message that indicates that, while the web browser was able to connect to Cloudflare, Cloudflare was not able to connect to the WordPress site's server. Since the web server is not returning the connection, this error message is displayed instead of the requested WordPress site. Image Source. Best case scenario: Your website visitors would be frustrated by this error message and try to visit your site later. Worst case scenario: They exit out and never return to your site. To avoid both these scenarios, you want to resolve a error on your site as quickly as possible.

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You will find it in the A record for your domain. Why can't I connect to a website that is hosted on my EC2 instance? If other sites have linked to a page that is consistently returning a error, the value of those links link juice can be lost. Are there any standard user messages that browsers display for a error? Check DNS settings and configurations, especially if changes were made recently. In the context of website maintenance and SEO, understanding and addressing a status code is essential for keeping a site accessible to users and search engines. Error occurs when Cloudflare has its connection refused by the origin web server i. Get in touch with us. We use cookies to understand how you interact with our site, to personalize and streamline your experience, and to tailor advertising. Utilize security software with logging features to identify what might be causing the blockage. This intermediary is acting as a gatekeeper, attempting to connect to the target server but finding it unresponsive.

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The Impact Error on Website SEO From search rankings to user experience, this status code has broad implications that website owners must address. Ivan works as a product marketing specialist at Sitechecker. Cloudflare attempted to connect to your origin server on port 80 or , but received a connection refused error. Sign in. Yes, a CDN can distribute traffic, reducing the load on the original server, which may prevent it from becoming unresponsive and triggering a error. Monitor server loads and consider upgrading hosting plans or optimizing site performance if high traffic is a consistent issue. The status code serves as a specific signal that the requested server is down. This immediate detection of a server-down status is vital for maintaining site availability, impacting both user experience and SEO. This could lead to a significant drop in rankings across many keywords and phrases. The two most common causes of errors are: Offlined origin web server application Blocked Cloudflare requests Resolution Contact your site administrator or hosting provider to eliminate these common causes: Ensure your origin web server is responsive Review origin web server error logs to identify web server application crashes or outages.