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Issues with AddonsIt may happen that some add-ons are causing this Secure Connection Failed error in your firefox browser. The only thing you can do is to notify the site administrator of these security certificate errors.You can check the website for SSL certification errors by going to the following SSL Checker tool mentioned below.The error will go away when website make the necessary changes regarding SSL certificates.But if the website from their end is OK and you are still facing the issue then go to next step mentioned below. This Value will let you turn on the Mozilla’s form auto-filling feature.One more way can help you to avoid ‘This Connection Is Not Secure” During Login error on Firefox. Reset this preference to True by double-clicking it or by right-clicking on it and selecting Toggle. About:configStep 2 – In the search box of the next, page type the following command 3 – Here you will see a list including the Preference. To do so follow the steps.Step 1 – Type the following in the address bar of the Mozilla Firefox.
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Enable Form Auto-FillingNow you need to turn on the Mozilla’s form auto-filling feature.
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Change this Value to False by double-clicking or by right-clicking on it and choosing Toggle.Just by doing this you can stop the irritating message This Connection Is Not Secure on Firefox. It means the website can be intercepted by a malicious third-party.So click on I accept the Risk.Step 3 – Enter the given text in the search box: 4 – Now below the address bar you can see the Preference name – .In the Value Column, you can see the option as True. Meanwhile, you should also avoid submitting any sensitive information such as login details or payment information because such sites cannot deliver secure connections.
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However, if the site is essential to you, you can contact them to inform them that they should provide a secure HTTPS connection. And for that, they’ve to obtain and install an SSL/TLS certificate. Furthermore, you can’t do anything about it because the website owner or operator can only solve this issue. So, if you visit any website and it doesn’t have an SSL certificate installed, then you’ll tend to get this HTTPS Not Secure warning into your web browser. In other words, whenever you try to open a website through Google Chrome browser, it can be connected in two ways either HTTP (non-secure) or HTTPS (secure). The apparent cause of getting “Not Secure” displayed on your browser is the website you’re visiting is not providing a secure and encrypted HTTPS connection.
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