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Are You Facing ssl_error_no_cypher_overlap? Get Some Easy And Applicable Solutions To Fix This Error

The error message ‘ssl_error_no_cypher_overlap’ happens in Firefox browser when certain kinds of encryptions have been deactivated either in the server side or on the browser. Most of the time, this issue lies with the server or website that doesn’t implement encryption protocols properly as well as forces the Firefox not to launch the website. This error occurs while surfing an outdated website or visiting the websites that are not maintained in a proper way.

If you also face the same error and tired of finding the solutions for this error, then you have arrived at the right page. Here in this article, we are going to provide some amazing tips and tricks which can help you to fix this issue. Hence, you are advised to go through the article given below. So, let’s start.

Know the Probable Reasons Behind the Error Code ssl_error_no_cypher_overlap

Before going to perform the troubleshooting methods, it’s better to know the probable causes behind the error code ssl_error_no_cypher_overlap. As we mentioned earlier, this issue occurs when the server crashes to provide security protocols or mechanism in a proper way. However, there are also some other causes behind the error:  

  • If you are not using the latest version of Firefox, then it can cause the error while you are busy surfing the internet.
  • It is essential to disable the SSL3 on the web browser. If the TLS is also disabled on the browser, then you can face this issue.
  • If you completely remove the RC4 support from Firefox as well as if the website is running as a parameter, then it also might be the reason behind this issue.  

Now, you are aware of the root causes behind this issue. Match the above points with your current situation and identify the specific reason behind it. Now, you just need some hacks to troubleshoot this issue.

Easy Tips and Tricks to Fix the Error Code ssl_error_no_cypher_overlap

To solve the ssl_error_no_cypher_overlap issue, there are a lot of remedies. But you need to keep in mind that the latest versions of Firefox always needs a reliable security connection. If it is not supplied, then it blocks the website to access further. You also need to make sure that you are implementing the above ways with admin privileges as well as you are using a stable internet connection. Now, you need to stick to the methods discussed in the below section:

Procedure 1: Update Firefox with the Newest Version

Update Firefox with the Newest VersionFirefox added modifications and new security protocols all the time for improved as well as safer experience. If you are using an older version such as SP3 or SP2, then you need to visit the official website of Firefox and then download the newest version i.e. 24. You can also uninstall the latest version of Firefox by performing the steps as follows:

Step 1:

At first, hit the “R” and Windows key both at the same time from the keyboard to launch the Run Command box.

Step 2:

Then, you have to type ‘appwiz.cpl’ in the Run Dialogue box. Hit the Enter to run it. Or if you prefer, you can also tap on the OK button.

Step 3:

As a result, it will open the Program’s manager. Right-click on the Firefox and choose the ‘Uninstall’ option from the list.

After uninstalling the previous version of Firefox, you have to download the newest one. Then, you have to restart the system to save the changes. In addition, you also need to make sure that you remove the configuration files when you uninstall the previous one. Now, you should try to open the Firefox to check whether the error has been resolved or not. If you see that the error persists, then move on to further ways described below.

Procedure 2: Check the TLS1 and SSL3 Encryption Protocols

Check the TLS1 and SSL3 Encryption ProtocolsUsers also encounter this issue if the encryption protocols TLS1 and SSL3 are disabled on their Firefox. Some websites also require these protocols for their connection as well as if you have disabled them, then you will be unable to see the web page. You need to check those options in Firefox as well as you also need to make sure they are enabled as expected:

  1. First, tap on the Settings icon by going to the upper right side of the screen and select the ‘More Tools’ option.
  2. Now, navigate to the Advanced tab.
  3. After that, select the ‘Encryption : Protocols’ option from the list.

After performing the above steps, you will see if the protocols are enabled or not. If you see that the protocols are disabled, then you have to change the option and enable it again. But, if you are using Firefox 24, then the above steps doesn’t work for you. Then, you need to go to the Options. Navigate to the ‘Privacy and Security’ section. Tap on the ‘Security’ option. Then, untick the ‘Block dangerous and deceptive content’ box. Save the changes by restarting the system.  

After that, you have to go to the Firefox browser and check that the error persists or not. If the issue still appears, then perform the further procedure.

Procedure 3: Check the Configuration Files of Firefox Browser

Check the Configuration Files of Firefox BrowserAfter performing the above ways, if they failed to fix the ‘ssl_error_no_cypher_overlap’ issue, then you need to check the configuration files of Firefox. Here you also need to check if any of the SSL3 and TLS modules are disabled. If it is, then you have to enable them and then try to access the Firefox again. SSL3 and TLS modules can get modified in their actions all the time, so nothing to be getting worried about this. To perform this, you have to have to look at the steps given below:

Step 1:

At first, go to the Firefox browser and open a new window. Move the cursor to the address bar and type ‘about:config.’ Then, hit the Enter key from the keyboard to run this.

Step 2:

Now, on the next window, you have to find for the keyword ‘TLS.’ Hence, go to the upper pane of the screen and type ‘TLS’ in the search bar to search the keyword. After that, you have to check all the entries starting with the keyword TLS whether these are fixed to the default value. If it’s not, then you will see a bolder entry that will also be marked modified.

Step 3:

In this situation, you have to reset the required permissions as well as restart the system. Now, again go to the same search bar and search for the keyword ‘SSL3’ and then perform the same steps.

Final Recommendation

In the above article, we have provided some of the possible solutions to fix the ssl_error_no_cypher_overlap. It is our hope that if you implement the above ways in their respective order, then it will definitely help you to put an end to this error. After successfully performing the above ways if you still face any kind of trouble, then you need to connect with a tech expert. In addition, you can also share your queries and valuable feedback through the comment box given at the end of this post.