Error:0a00010b:ssl routines::wrong version number

Error:0a00010b:ssl routines::wrong version number

Welcome to our technical support service. If you are encountering the Error:0a00010b:ssl routines::wrong version number issue, don’t worry, we are here to help you resolve it efficiently. This error typically indicates a problem with SSL communication due to an incompatible version number. Please follow our guidance to troubleshoot and fix this issue promptly.

Error:0a00010b:ssl routines::wrong version number – What could be causing this error?

When encountering the Error:0a00010b:ssl routines::wrong version number error, it indicates that there is a problem with the SSL/TLS configuration of the website or server. There are several potential causes for this error:

  • Outdated SSL/TLS Protocol: The SSL/TLS protocol being used may be outdated, leading to compatibility issues with the client’s browser or application.
  • Incorrect SSL/TLS Configuration: Misconfiguration of SSL/TLS settings such as cipher suites, certificate chain, or protocols can trigger this error.
  • Server Software Compatibility: Incompatibility issues between the server software and the SSL/TLS implementation could cause the wrong version number error.
  • Firewall Restrictions: Firewall settings blocking SSL/TLS connections or specific protocols could also result in this error.

Addressing these potential causes can help resolve the Error:0a00010b:ssl routines::wrong version number issue and ensure secure and reliable SSL/TLS connections.

Error:0a00010b:ssl routines::wrong version number – How to Fix?

To resolve the Error:0a00010b:ssl routines::wrong version number issue, you need to take the following steps:

  1. Check the SSL/TLS configuration in your server settings. Ensure that the SSL certificate is valid and correctly installed. Verify that the TLS version is compatible with the client’s requirements.
  2. Update your SSL/TLS libraries to the latest version to support modern encryption standards and avoid compatibility issues.
  3. Verify the SSL protocols enabled on the server and ensure they match those supported by the client. Consider disabling outdated protocols like SSL 2.0 and SSL 3.0.
  4. Double-check the SSL configurations in your web server (e.g., Apache, Nginx) to ensure they are properly configured and support the required TLS versions.
  5. If the error persists, consult with your web hosting provider or system administrator for further assistance in troubleshooting and resolving the SSL version number mismatch.

Following these steps should help you address the Error:0a00010b:ssl routines::wrong version number and ensure secure SSL/TLS communication on your server.


Error:0a00010b:ssl routines::wrong version number. This error indicates a mismatch in the SSL communication protocol versions, leading to connection failures. To resolve this, ensure that both the client and server support compatible SSL/TLS versions. Check and update the configurations accordingly to avoid this issue and maintain a secure connection.

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