When you try to access a website on Mozilla Firefox, have you encountered an ssl_error_no_cypher_overlap error? You can use multiple methods to solve the problem.
What is ssl_error_no_cypher_overlap?
The ssl_error_no_cypher_overlap error only occurs on Mozilla Firefox. However, this should not be a cause of panic. You can use some methods to solve the problem.
When trying to access a certain website, this prompt often appears when the SSL certificate verification is invalid. In this case, Firefox cannot obtain security data from the target website. The most likely cause is that the SSL certificate of the target website has expired. SSL secure connection is essential.
1: Update Mozilla Firefox browser
To solve this problem, you can first try to update your Mozilla Firefox browser.
step 1: Open your Mozilla Firefox browser.
Step 2: Click the menu icon in the upper right corner. It is displayed as three horizontal lines.
Step 3: On the menu, scroll down and click Help.
the fourth step: On the “Help” menu, click “About Firefox”.
Step 5: The “About Mozilla Firefox” window will open. In addition, it will automatically check whether your Firefox is up to date. If it is an outdated version, make sure to update it.
2: Uninstall and install Mozilla Firefox
Or, if this does not work, uninstall and then install Mozilla Firefox.
step 1: Click the Windows + S button and search for Control Panel in the search bar.
Step 2: Click “Programs and Features”.
Step 3: On programs and features, navigate to Mozilla Firefox, right-click, and uninstall.
the fourth step: When finished, go to Mozilla Firefox Official website, Download and install Mozilla again. Check if the error still occurs.
3: Reset TLS encryption protocol and ssl3
TLS and SSL browser encryption are required when browsing on the Internet. Without SSL and TLS, data will be sent in plain text, and malicious parties can easily change the data. However, through protection, the data remains safe during transmission.
step 1: Open the Mozilla Firefox browser and enter About: Configuration On the Mozilla Firefox address bar.
Step 2: On the next web page, click “Accept the risk and continue.” Then click “Show All”.
Step 3: On the search bar, search for TLS. The page will display several results.
the fourth step: Look for any values that look bold and set them to the default settings. When it is bold, it indicates that the value has been changed recently.
Step 5: Next is to change some two ssl3 values.Search again ssl3, And then search for these two values:
Step 6: Make sure that the values of these two items are both false.
Try to check if the website has started to work properly. If not, you can return to the default settings.
4: Check the security protocol and browser configuration file
Another method is to check the security protocol and browser configuration file.
step 1: search About: Configuration In the Mozilla Firefox address bar.
Step 2: Click Accept risk and continue.
Step 3: search TLS, And on the results page, search for these two values, click the pencil icon, and change it to 0.
the fourth step: When finished, enter About: Preference In the address bar, then click the “Privacy and Security” option. These privacy settings are very important.
Step 5: Scroll down and turn off “Block dangerous and fraudulent content”
Step 6: Then, try to visit the specific website you want to try. If it doesn’t work, change the value of tls to what it was before.
5: Use another browser
If this doesn’t work, try switching to a browser such as Google Chrome, Microsoft Edge, Opera Mini, or Waterfox. Try to visit a specific website to see if it works.
This may be the problem and not the browser. Check if the problem is resolved. This will help verify the connection to the site.
Quickly browse websites on Mozilla Firefox
If you have encountered this problem, you can use any of these methods to solve the problem. However, please try to make sure that your tracks return the settings to the default values.
In addition, please try to check if there is a problem with your local device, as this may cause some problems. In addition, please pay attention to the types of software you keep downloading from the Internet. This will prevent error messages from appearing frequently.
Frequently Asked Questions-Frequently Asked Questions
1. What is SSL?
SSL stands for Secure Sockets Layer. It performs different functions, such as authentication, data confidentiality, and ensuring data integrity. This complete security when you browse on the Internet.
2. Will I encounter this problem on other browsers?
Similar error codes appear in other browsers. For example, in Google Chrome, you can get ERR_SSL_VERSION_OR_CIPHER_MISMATCH.
However, there are different solutions on different browsers to solve such problems.
3. What is TLS?
It is a protocol that provides end-to-end communication security on the network. It is mainly used for Internet communication and online transactions.
It helps prevent eavesdropping, tampering or message forgery. TLS is used in web browsers, instant messaging, email, and voice over IP.