Are you seeing ‘SEC_ERROR_UNKNOWN_ISSUER‘ error code in the Firefox window? If you are seeing this error, then you can’t access any website using Firefox, unless you fix this issue. The main culprit behind this problem is security.enterprises root certificate, which when disabled causes this trouble.
‘SECERRORUNKNOWNISSUER’ (Your Connection is Not Secure) isn’t all that common, however, after updating Firefox, you may start to see it more frequently, even on popular websites like Google.com. Thankfully there are a few simple ways you can fix the issue. Virtual hosted Homestead SSL URLs in both Chrome and Firefox display an insecure message when visited. In this tutoial we will stop these browsers from blocking HTTPS requests by default for all domains hosted by Homestead. To get started, you simply need to import your certificate authority,.csr, file into Firefox. For Chrome you need. @sandro I could definitely disable Bitdefender, but that’s the antivirus I’m running on my desktop. I also think that’s not something we can expect the visitors would appreciate doing just to view our content. Hence, the option to fix this serverside if possible. ‘SECERRORUNKNOWNISSUER’ (Your Connection is Not Secure) isn’t all that common, however, after updating Firefox, you may start to see it more frequently, even on popular websites like Google.com. Thankfully there are a few simple ways you can fix the issue.
Workarounds–
1. Close any opened instance of Mozilla Firefox on your computer. Launch Firefox again.
2. Temporarily disable the antivirus and firewall on your computer. Try to open any site from Firefox. Check if it works.
Simply follow these steps to fix the issue by enabling the particular root certificate-
Fix- Enable ‘security.enterprise_roots.enabled’ in Firefox-
Follow these steps-
1. Open Mozilla Firefox on your computer.
2. In Firefox window, copy-paste “about:config” in the address bar and hit Enter.
3. Now, you will receive a message of caution. Click on “Accept the Risk and Continue” to proceed further.
Advanced Preferences tab will be opened.
4. In the Advanced Preferences tab, click on the Search box and type “security.enterprise“.
5. In the search results, you will notice “security.enterprise_roots.enabled” and the status of it, normally stating “false“.
Sec_error_unknown_issuer Firefox Fix For Mac Catalina
6. Click on the arrow sign of the particular option to switch its value to “true“.
7. Click on the home icon just beside the address bar to go to the homepage on your browser.
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That’s it! Try to open any website on Firefox.
Sec_error_unknown_issuer Firefox Fix Mac
You will not face this error again. Your problem should be solved.
Sambit is a Mechanical Engineer By qualification who loves to write about Windows 10 and solutions to weirdest possible problems.
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