How to Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH

Are you frustrated by the mysterious and daunting “Err_SSL_Version_or_Cipher Mismatch” error that pops up when you’re just trying to browse a website? Don’t worry; you’re not alone in this digital mystery. This cryptic message is like a locked door preventing your browser from establishing a secure connection, leaving you stranded. But fear not! Today, we’re going to unravel the secrets behind this error and equip you with the knowledge to overcome it. Get ready to embark on a troubleshooting adventure as we dive into practical solutions that will have you breezing through that SSL obstacle and back to exploring the internet safely. Follow this intensive guide on Err_SSL_Version_or_Cipher_Mismatch fix for seamless and secure browsing.

Why Does This Error Occur?

The “Err_SSL_Version_or_Cipher Mismatch” error occurs when there is a discrepancy between the SSL/TLS (Transport Layer Security) versions or cipher suites supported by your browser and the server you’re trying to connect to. This mismatch can happen due to outdated browser or server configurations, incompatible cipher suites, or deprecated SSL/TLS protocol versions. SSL/TLS is the protocol responsible for encrypting and securing data transmissions over the internet. In the process known as TLS handshake, the web browser and website server exchange information. They communicate and verify the authenticity of site certificates and decide on the encryption or cipher suite to be used for secure communication. When there are discrepancies in communication, the TLS handshake fails, leading to encryption and decryption failures.

When your browser and the server can’t agree on a compatible SSL/TLS protocol version or cipher suite, they fail to establish a secure connection, resulting in this frustrating error message. Addressing this issue promptly is crucial to ensure your online security and regain access to the desired website.

There are several factors behind this triggered response;

• Older TLS or SSL protocol versions used by the web server would not be compatible with new versions of web browsers, and older versions of web browsers or operating systems do not support newer TLS versions. This can result in err SSL version or cipher mismatch.
• Websites that use Cloudflare CDN, a content delivery network, experience the err ssl version or cipher mismatch error due to differences in security protocols.
• Some websites use add-ons for enhanced security from malware and other threats. These extensions can mess with the server or the browser settings.
• Browsers verify SSL certificates to identify the website’s authenticity during TLS handshake. If the SSL certificate of the domain is obsolete or doesn’t align with the browser encryption methods, it is likely to restrict the website.

How to Fix Err_Ssl_Version_or_Cipher_Mismatch Error in Google Chrome?

Before we dive into the step-by-step instructions on how to do the Err_SSL_Version_or_Cipher_Mismatch fix in Google Chrome, it’s essential to understand that this error often occurs due to compatibility issues between the SSL/TLS versions or cipher suites supported by your browser and the server you’re trying to connect to. By following the troubleshooting steps below, you’ll be able to address these compatibility problems and restore secure connections in no time. Let’s get started!

Here’s a step-by-step guide to help you fix the “Err_SSL_Version_or_Cipher_Mismatch” error in Google Chrome:

Step 1: Clear Browser Cache and Cookies

Often, issues with SSL/TLS connections can be caused by the browser cache and cookies. So, the first step towards the err_ssl_version_or_cipher_mismatch fix is clearing your browser cache and cookies. To do this, follow these steps:

1. Open Google Chrome.
2. Click on the three-dot menu icon in the browser window’s top-right corner.
3. From the dropdown menu, go to “Settings.”
4. Scroll down and click on “Privacy and security.”

5. Choose “Clear browsing data.”

6. Select “Cookies and other site data” and “Cached images and files.”

7. Click on the “Clear data” button.

Step 2: Update Google Chrome

Keeping your browser up to date is essential for resolving compatibility issues. To update Google Chrome, follow these instructions:

1. Open Google Chrome.
2. Click on the three-dot menu icon and go to “Settings.”
3. From the left sidebar, select “About Chrome.”
4. Chrome will automatically check for updates and install them if available.

5. Once the update is complete, relaunch the browser.

Step 3: Disable Experimental QUIC Protocol

QUIC (Quick UDP Internet Connections) is a protocol developed by Google for faster and more secure connections. However, it can sometimes cause conflicts with SSL/TLS. Disabling it may help with the err_ssl_version_or_cipher_mismatch fix. Here’s how to do it:

1. Open Google Chrome.
2. Type “chrome://flags” (without quotes) in the address bar and press Enter.

3. Search for “Experimental QUIC protocol” using the search box on the page.

4. Click on the dropdown menu next to it and select “Disabled.”

5. Relaunch Google Chrome to apply the changes.

Step 4: Adjust SSL/TLS Settings

Misconfiguration in SSL/TLS settings can lead to this error, You can modify Chrome’s SSL/TLS settings to resolve the err_ssl_version_or_cipher_mismatch error. Follow these steps:

1. Open Google Chrome.
2. Go to “Settings” by clicking on the three-dot menu icon.
3. Click on “Privacy and security” from the left sidebar.
4. Scroll down and select “Security.”

5. Under “Advanced,” click on “Open your computer’s proxy settings.”
6. In the “Internet Properties” window, go to the “Advanced” tab.

7. Scroll down to the “Security” section.

8. Check the boxes next to “Use SSL 3.0,” “Use TLS 1.0,” “Use TLS 1.1,” and “Use TLS 1.2.”

9. Click on “Apply” and then “OK” to save the changes.

Step 5: Disable Antivirus or Firewall Temporarily

If following these steps doesn’t help with the err_ssl_version_or_cipher_mismatch fix, check on the antivirus or firewall software installed on your system. Sometimes, antivirus or firewall software can interfere with SSL/TLS connections. Antivirus programs block access to certain websites to protect users from potential threats. Temporarily disabling them can help identify if they are causing the err_ssl_version_or_cipher_mismatch error. However, be careful and ensure your computer remains protected during this time.

By following these step-by-step instructions, you should be able to fix the “Err_SSL_Version_or_Cipher_Mismatch” error in Google Chrome. Remember to re-enable any disabled security features once the issue is resolved.

How to Fix Err_Ssl_Version_or_Cipher_Mismatch Error in Microsoft Edge?

Are you tired of encountering the frustrating “Err_SSL_Version_or_Cipher_Mismatch” error while using Microsoft Edge? It’s like hitting a roadblock in the digital world, preventing you from accessing the websites you want. Don’t worry! Here, we’ll go through the steps to fix this pesky error and return to smooth browsing. The Err_SSL_Version_or_Cipher_Mismatch error occurs when there is a discrepancy between the SSL/TLS (Secure Sockets Layer/Transport Layer Security) versions or cipher suites supported by your browser and the server you’re trying to connect to. 

Given below is a comprehensive guide to the err_ssl_version_or_cipher_mismatch fix for effortless browsing on Microsoft Edge.

Step 1: Clear Browser Cache and Cookies

Start by clearing the browser cache and cookies in Microsoft Edge. This helps eliminate any stored data that might be causing the err_ssl_version_or_cipher_mismatch in edge.

Follow these steps:

1. Launch Microsoft Edge.

2. Click on the three-dot menu icon in the top-right corner.

3. From the dropdown menu, select “Settings.”
4. Under the “Clear browsing data” section, click “Choose what to clear”.
5. Check the boxes next to “Cookies and saved website data” and “Cached data and files”.

6. Click on the “Clear” button.

Following these steps can help with the err_ssl_version_or_cipher_mismatch fix.

Step 2: Update Microsoft Edge

Using an outdated browser version can result in a Microsoft edge err_ssl_version_or_cipher_mismatch error. Keeping your browser up to date is crucial for resolving compatibility issues. To update Microsoft Edge, follow these instructions:

1. Launch Microsoft Edge.
2. Click on the three-dot menu icon and select “Settings.”
3. In the left sidebar, click on “About Microsoft Edge.”

4. Microsoft Edge will automatically check for updates and install them if available.
5. Once the update is complete, relaunch the browser.

Step 3: Disable QUIC Protocol

QUIC (Quick UDP Internet Connections) is a protocol that can sometimes conflict with SSL/TLS connections. Disabling it might help resolve the error. Here’s how:

1. Launch Microsoft Edge.
2. In the address bar, type “edge://flags” (without quotes) and press Enter.

3. Search for “Experimental QUIC protocol” using the search box on the page.
4. Click on the dropdown menu next to it and select “Disabled.”

5. Relaunch Microsoft Edge to apply the changes.

Step 4: Adjust SSL/TLS Settings

Modifying the SSL/TLS settings in Microsoft Edge can help resolve the err_ssl_version_or_cipher_mismatch error. Follow these steps:

1. Launch Microsoft Edge.
2. Click on the three-dot menu icon and select “Settings.”
3. Scroll down and click on “Privacy, search, and services.”

4. Under the “Security” section, click on “Security Certificates.”
5. In the “Advanced settings” tab, ensure that the following options are checked: “Use SSL 3.0,” “Use TLS 1.0,” “Use TLS 1.1,” and “Use TLS 1.2.”
6. Click on “Apply” and then “OK” to save the changes.

Step 5: Disable Antivirus or Firewall Temporarily

If you have antivirus or firewall software installed, temporarily disabling them can help identify if they are causing the SSL/TLS mismatch error. Ensure your computer remains protected during this time.

Step 6: Reset Microsoft Edge Settings

If the above steps didn’t resolve the error, resetting Microsoft Edge to its default settings can often help with the err_ssl_version_or_cipher_mismatch fix. Here’s how to do it:

1. Launch Microsoft Edge.
2. Click on the three-dot menu icon and select “Settings.”
3. Under the “Reset settings” section, click on “Restore settings to their default values.”

4. Confirm the action by clicking on the “Reset” button.

By following these step-by-step instructions, you should be able to fix the “Err_SSL_Version_or_Cipher Mismatch” in Edge. Remember to re-enable any temporarily disabled security features once the issue is resolved. Now, get ready to sail through the digital realm with confidence and a seamlessly secure browsing experience!

Tackling the Err_SSL_Version_or_Cipher Mismatch error in your web browser, whether it be Google Chrome or Microsoft Edge, doesn’t have to be daunting. By following the appropriate steps, such as clearing cache and cookies, updating your browser, adjusting SSL/TLS settings, and temporarily disabling certain software like the antivirus software, you can overcome this error and regain access to the websites you desire.

Final Thoughts

SSL/TLS protocols are vital for ensuring online secure connections, so it’s essential to address compatibility issues promptly. With the troubleshooting techniques provided, you can confidently navigate the digital landscape, knowing you have the knowledge to conquer the Err_SSL_Version_or_Cipher Mismatch error and continue your browsing adventures uninterrupted.

If your issue is still unresolved, don’t hesitate to get in touch with WPclerks, a WordPress support service providing company. We are available to help by taking care of your one-time tasks and WordPress Support and Maintenance quickly and easily. Forget about hours spent searching for solutions yourself.

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