How to prevent the FF loading all Web sites using the HTTPS protocol

FF is trying to load initially all Web sites using the HTTPS protocol, including of mozilla.org. Then I get the error of no reliable connection of course. Mozilla .org is the "invalid security certificate" and "the issuer of the certificate is unknown." I tried to delete the file cert8.db as suggested elsewhere but that did not help. If there is an option for this somewhere, I can't find it. I have the latest version of FF and Win7 running. Thanks for the help.

There must be some sites that are still using a secure connection, as http://www.amazon.com/. If even a link to Amazon is redirected, you can check if you have an extension like HTTPS Everywhere.

For Mozilla sites, Yes, you establish a secure connection.

But you shouldn't get certificate errors! When you get this for virtually all secure sites, the problem is usually as follows:

(1) error of date, time, or time zone who throw checks validity of the certificates of your system. Sometimes allowing to use a timesource on the internet, the computers can introduce this problem.

(2) not be set up to work with your security software that intercepts and filter secure connections from Firefox. Products with this feature include Avast, BitDefender, ESET, Kaspersky; AVG has a shield search function which can cause this error on search sites.

(3) malicious software on your system for the interception of secure connections.

So... who is?

If you have any of these specific security products, which would be the first thing to check. We might be able to help with specific next steps based on what you have if you tell us.

Alternatively, you can examine the certificate to which Firefox is opposed to see if the issuer information pointing to the culprit. Take for example my test page:

https://jeffersonscher.com/RES/jstest.php

You should see a section "I understand the risks" in the page. If you expand this section, you will find a button Add Exception. You don't need to complete the process of adding an exception (I suggest not adding one until we know that it is not a problem of malware), but you can use the dialog box to display the information that makes Firefox suspicious.

Click Add an Exception, and then view. If the view is not enabled, try first the button get certificate. Then in the certificate Viewer, refer to the section "issued by". What do you find here, or under the hierarchy of certificates? I have attached a screenshot for comparison of screen.

Tags: Firefox

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