Secure Connection Failed On Firefox | 5 Ways To Fix

Today’s article is about how to fix the “Secure Connection Failed On Firefox” error. Mozilla Firefox is a web browser that is used by millions of people all around the world. It is free and open for everyone and is available on Windows, macOS, Linux operating systems, Android, iOS, etc. Firefox is the original alternate browser, and Mozilla is the not-for-profit added to the Firefox.

It creates products and policies to keep the Internet in the service of the people and not for profit. When you use Firefox, you are helping Mozilla fight misinformation online and teach digital skills, etc. Mozilla has an Information Trust Initiative, Empower women online, Coral Project, Internet Health Report, and so on.

Mozilla uses the web as a platform. It builds open, innovative technologies that allow various developers to work in free, friendly ecosystems. It also creates faster, safer web experiences for everyone. Mozilla asks for donations to keep the web healthy, enjoyable, and welcoming to all.

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Mozilla Firefox is one of the vital web browsers, and millions of people are dependent on it for their survival, especially students, for whom, the web browser is the only hope to pass their upcoming examinations with flying colors.

Apart from the student’s perspective, all kinds of information are available on the internet and while planning a trip to another country, the tourist, while making the itinerary, will turn for help towards web browsers like Mozilla Firefox.

Thus when an error shows on the screen ‘Secure Connection Failed on Firefox,’ it is very depressing, and the following methods can correct it:

How To Fix Secure Connection Failed On Firefox

Here are some tips to fix the secure connection failed error:

Check Your Firefox Proxy Setting

If the error Secure Connection Failed on Firefox, keeps on showing and is not fixing on its own, This error might occur because your computer or device’s configuration is via proxy.

You should click on the Tools menu and select the Options tab and then go to the ‘Advance’ panel and press the Network tab. You should then click on the Setting button in the Connection field and then you will see a popup on the screen displaying Connection Setting.

Check for the manual proxy connection in the connection setting window. If it has, it means that your device is configured and is using a Manual proxy server.

For this, you will need to verify whether all the protocol fields such as HTTP Proxy, SSL Proxy, FTP Proxy, SOCKS Host, etc. are correct or not. If not, you need to modify them and press OK.

If the Manual proxy connection is not selected, one should not make any changes to it. You should then, close the window and contact the person who handles your network.

Test Your Firefox browser To Fix Secure Connection Failed On Firefox

Secure Connection Failed on Firefox is a failure that may occur on Firefox if Firefox finds that the website you are trying to open is dangerous or untrustworthy.

Due to this, the testing of the Firefox browser is very crucial. You should first reload the page, and check whether you’re using the latest version of Firefox or not. If not, you should install the new version without much ado.

There may be some technical issue on the part of your ISP, i.e., Internet Service Provider and the error might be showing due to slow internet. You should call your ISP to inquire if the error is happening because of them, if not, then you should report the error and try out the different methods to fix this issue.

Disable Firefox Extensions

If you have a lot of extensions on your Firefox, they might be causing problems in your Firefox browser. You should restart the browser in Safe mode and disable the add-ons. To do that, go to the menu settings and press help, and click on Restart with Add-ons Disabled.

After disabling the add-ons, if the websites are opening without any issue, it means that there was a problem with more than one add-on.

To find out which add-on was creating the problem, disable the add-ons one by one and keep checking for the error. Being a monotonous procedure, it needs a lot of time, but it solves the problem, so it is worth it.

Reset Firefox To Default Settings

You should reset Firefox to its default settings by going to the menu and then clicking on Troubleshooting Information. There will be a Refresh Firefox button on the top right side of your device’s screen, which will delete all of your Firefox caches and restore the original settings of Firefox.

You can try re-installing the web browser as well to remove the error of Secure Connection Failed on Firefox.

The Secure Connection Failed On Firefox Error Is due To Your Anti-virus

At times, there is a chance that there is no problem with Mozilla Firefox, the error Secure Connection Failed on Firefox can be seen on other web browsers like Chrome, Edge, etc. as well.

In such cases, re-installing your web browser does not help. There may be a problem with your anti-virus, for example – if you are using ESET Nod32 anti-virus, you will need to tweak some settings to get rid of the error. You can do so by the steps given below:

Disable SSL Scanning Feature Of Your Security Software

Secure Socket Layer is a cryptographic protocol that keeps you secure. If the device screen shows the error Secure Connection Failed in Firefox, then it might be because of software.

All the security software’s come with a built-in feature named SSL filtering or SSL scanning, which, if enabled tries to filter the website that you are trying to open to fulfill its purpose of creating a reliable and safe network connection.

Go to the settings of your security software and locate this feature, and then click on it to uncheck it. After disabling the SSL scanning feature, visit the same website that you were trying to reach earlier.

Also, read about What is SSL Termination? HERE!

Adjust SSL setting On Firefox

To rectify the error of Secure Connection Failed on Firefox, open Firefox and type about.config and click Enter. A pop-up will appear on the screen showcasing a warning signal that by continuing this action, you will void your warranty.

You should not panic and click on the ‘I accept the risk’ option and move further. Then, type security.ssl.enable_ocsp_stapling in the search bar. Next, double-click on it from the result to change its value to False. Now, you should connect to the website again.

Final Words (Secure Connection Failed On Firefox)

If you are facing the issue of Secure Connection Failed on Firefox then you should follow the above steps. The last resort would be to directly contact Mozilla Firefox and ask them for help to resolve the issue.

See Also: Internet Scams: What Are They and How to Avoid Them?

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You can always find me playing the piano or playing FIFA when I'm not binge-watching TV Series with pizzas. Fountainhead of TechWhoop. Life motto: The only time success comes before work is in the dictionary.