Problems loading secure sites
After an update (a few updates ago, I think it was to version 45, or one of the releases within that) I started having issues with some secure sites in Firefox - for most, I would get an error saying the connection was reset, some say the certificate is invalid and in the case of salesforce, their server spits out an error saying I have an outdated browser and does not meet their security requirements.
I followed the information in this article: https://support.mozilla.org/en-US/kb/unable-access-secure-https-sites-firefox-43 even though I was pretty sure the problem started well after v43, but did not seem from the tests described that this was the issue affecting me.
Then I tried the reset firefox function as suggested which worked - all sites I had previously had a problem with were loading - great! Unfortunately, that hasn't seemed to have lasted for long - I kept the setup fairly vanilla - the only add-ons I've installed are 1-password helper and evernote web clipper. After installign them I was having no issues, but now today 4-5 days later I am again experiencing the same issues.
One strange thing I have noticed that has occurred around the same time is the fact that my book marks seem to keep resetting - I make changes today and then they're back to how they were previously when I next start the browser - not sure if maybe it's sync messing with something and causing this, which could also be causing the SSL issue to come back? Not even sure how that could happen, but just wondering?
Any other ideas? Between the issues loading critical sites and my book marks disappearing, my loyalty to the browser I've used for years is starting to dwindle :(
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There is security software like Avast and Kaspersky and BitDefender and ESET that intercept secure connections and send their own certificate.
This Connection is Untrusted is sometimes caused because the computer system clock is wrong. Check the time / date / time zone settings.
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Thanks for your help, unfortunately I'd already tried most of those avenues. I have gone through them all again to be sure. I am running ESET antivirus, but not internet security, tried disabling that completely but didn't change anything. Have tried clearing all history etc... Still has same problems. Have hit the refresh Firefox link on the home page and sites are loading again now so we'll see how long that lasts for. Unfortunately, I'm getting to the end of how much time I can justify spending on getting a web browser to work.
You can check the connection settings.
- Tools > Options > Advanced > Network : Connection > Settings
If you do not need to use a proxy to connect to internet then try to select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly.
See "Firefox connection settings":
What security software do you have?
There is security software like Avast and Kaspersky and BitDefender and ESET that intercepts secure connections and sends their own certificate or that incorporates special web shielding features that can block content.
Try to rename the cert8.db file (cert8.db.old) and delete the cert_override.txt file in the Firefox profile folder to remove intermediate certificates and exceptions that Firefox has stored.
If that has helped to solve the problem then you can remove the renamed cert8.db.old file.
Firefox will automatically store intermediate certificates that servers send in the Certificate Manager for future use.
You can use this button to go to the current Firefox profile folder:
- Help > Troubleshooting Information > Profile Directory:
Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder