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How to fix error 526 invalid SSL certificate on the Website? [100% Working]

Are you getting frequent error 526 SSL? Looking on how to fix error 526 invalid SSL certificate for your Website?

Well, there is an easy trick to fix this issue. Let’s understand the error 526 invalid SSL error and how to resolve it.

What is Error 526?

When Cloudflare cannot verify the SSL/TLS certificate of the server, error 526 by Cloudflare is generated. This typically occurs when using Cloudflare’s Full SSL(Strict) mode.

Two SSL/TLS certificates must be properly set up for Cloudflare to function effectively. One of the certificates is on your server, while the other is on the server of Cloudflare.

Why I am seeing error 526 invalid SSL certificate?

When someone visits your website, the Cloudflare server hosts the browser. On the other side, your server’s certificate helps to secure data sent between it and Cloudflare and aids in data encryption.

When rigorous Full mode SSL is used, Cloudflare enables this security of transmitted data between the Server and Cloudflare using the Cloudflare domain and Cloudflare. Therefore, an error 526 error will appear if a secure connection cannot be established.

fix error 526 invalid ssl certificate
fix error 526 invalid SSL certificate

Avoid confusion about the server’s origin and the one provided by Cloudflare! We’ll be frank with you and say: The browser displays the first certificate the user may see when the page initially loads. Data between the server and Cloudflare was exchanged. The onus of protecting those data transfers falls to the origin server.

We spoke about the rigorous mode at the outset, didn’t we? Between the validation and the rigorous mode in action. Overall, the main two reasons are:

  • Cloudflare’s validation of an SSL/TLS certificate is unsuccessful.
  • You will receive Cloudflare error 526 if the secure connection breaks down while handling the data exchange.

How to fix error 526 invalid SSL certificate?

Overall, the Full (strict) mode is the cause of 526. You must switch the SSL mode for a specific domain from Full (strict) mode to Full. Check to see whether the problem is still present. This might fix error 526 invalid SSL certificate.

The web server’s SSL certificate would be to blame if the problem continued. Several items that need to be measured right away are listed below:

  • Verify the certificate’s expiration date. It ought to keep a valid expiration date.
  • Verify the certificate’s validity.
  • It is necessary for the certificate to be correctly signed by Comodo, GEO Trust, Verisign, and GlobalSign. It shouldn’t sign using the self-signed SSL certificate.
  • The alternative subject name or common name in the certificate should contain the hostname and domain name.
  • It should accept the connection to the origin web server using the SSL 443 port connection.

In order for you to double-check the SSL verification using the website https://www.sslshopper.com, Cloudflare must briefly suspend. If you see issue 526 once again, try installing the SSL certificate correctly. You can only solve this issue by doing what you’re doing right now. I believe you have the answer now.

Your Cloudflare account might be on Full (strict) function mode, which is mostly to blame for the 526 error. Simply choose the “FULL” option to replace the “FULL (strict)” one in order to fix the problem for the domain that is experiencing this error.

If the preceding change does not resolve the issue, your server’s SSL certificate is possibly at fault. You might want to see whether it has run out.

If the certificate has run out, you may renew it and make sure it is installed correctly to allow for the correction of this mistake. This will fix error 526 invalid SSL certificate.

Conclusion

In conclusion, it is clear that the SSL certificate problem between your site and Cloudflare’s server is the only cause of the 526 Cloudflare errors. You can contact us to resolve any server-related problems.

An SSL issue is known as “error 526” takes place when a server’s SSL/TLS certificate cannot be verified by Cloudflare Service.

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