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Firefox error ssl_error_handshake_failure_alert

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Last updated on May 12, 2022
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Are you trying to browse the internet using Firefox, but are you getting the error message 'ssl_error_handshake_failure_alert'?

Firefox is a web browser that is developed by Mozilla. It was first released in 2002 and it is one of the most popular web browsers on the market. It is available for Windows, Mac OS X, Linux and Android operating systems. It also has a mobile version which is known as Firefox Mobile.

Firefox was developed to provide users with a safe and secure browsing experience that does not have any malicious content or viruses. It offers different privacy options such as blocking cookies, blocking third-party tracking and much more.

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On this page, you will find more information about the most common causes and most relevant solutions for the Firefox error 'ssl_error_handshake_failure_alert'. Do you need help straight away? Visit our support page.

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It has never been easier to solve error "ssl_error_handshake_failure_alert".

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Error information
  • Category
    Utilities
  • Error code
    ssl_error_handshake_failure_alert
  • Product
    Firefox
  • Developer
    Mozilla Foundation
  • Operating system
    Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP
  • Platform
    PC
  • First seen
    July 25, 2021
  • Verified
    -
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How to solve Firefox error ssl_error_handshake_failure_alert

We've created a list of solutions which you can follow if you want to solve this Firefox problem yourself. Do you need more help? Visit our support page if you need professional support with Firefox right away.

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Verified solution

If you encounter an error while using Firefox or if you encounter any other problems while using this browser, then you might encounter an SSL error showing a "handshake failure alert" error code on your device’s screen. This error may appear due to many reasons, though there’s always some steps you can take yourself to solve them.

An SSL handshake is the process by which a client and server establish a secure communication channel for the purpose of exchanging data; in other words, an HTTPS connection. This exchange involves the server verifying the identity of the client, validating the certificate and providing some other security features.

This error message of a handshake failure may happen both for the client and the server. If you're experiencing it as a client, you can check if your system's date and time are correctly set, as this error may happen if the system clock is incorrect. Aside from that, it could be that the browser configuration is malfunctioning. In this case, you can always reset the browser and start over.

If you're experiencing the error as the server owner, it may also be caused by a problem with your system's certificate. There are many SSL checkers on the internet out there that are free to use, and it will be able to tell if your SSL certificate is outdated. If it is, simply update it.

In other cases, it might also have something to do with a mismatch in your cipher suite. In this case, you should check if the server supports the cipher suite that you're using, and that they match. This can be done by using an SSL tester software.

If all else fails, you can always ask for help from the people who developed Firefox and get your issues resolved. Try to contact their support or support forums to ask for help.

Quick fixes

Try one of the quick fixes below to quickly resolve the Firefox error ssl_error_handshake_failure_alert.

Restart your computer

Quick action

Restart your computer if you haven't already done so. A simple reboot can solve a lot of issues.

Read the full guide Report

Repair the app

Repairing or reinstalling an app will replace corrupted files and remove temporary files, restoring the app back to its original state.

Read the full guide Report

Check your internet connection

Make sure that you're connected to the internet. If you can't connect to a local network, try setting up a mobile hotspot on your phone and connect your computer to the internet via WiFi.

???? Run a speed test Read the full guide Report

Have you found a solution yourself, but it is not in the list? Share your solution in the comments below.

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