How do I fix invalid security certificate in Firefox?

How do I fix invalid security certificate in Firefox?

All Replies (6)

1. click the “Advanced” button show more detail.
2. click the blue SEC_ERROR_UNKNOWN_ISSUER message to show the certificate chain.
3. click “Copy text to clipboard” and paste the base64 certificate chain text in a reply.

How do I install a certificate in Firefox?

Install Client Digital Certificate – Firefox for Windows

1. Open Firefox.
2. Click the Advanced icon on the top right of the options screen.
3. Click Import on the Your Certificates tab.
4. Browse to your certificate and click Open.
5. You will now receive an alert saying the import was successful.

How do I add a certificate exception in Firefox?

Firefox. Click “Advanced” at the bottom of the page, click “Add Exception…”, then click an “Confirm Security Exception” button at the bottom of the page and the web page will be added to an exception list.

How do I install a trusted root certificate in Firefox?

Procedure

1. Open the browser.
2. Click the Open menu button in the upper right corner.
3. Choose Options. Figure 1.
4. Open Privacy & Security tab.
5. Scroll down till Certificates section.
6. Click View Certificates… button.
7. In Certificate Manager window click on Import…
8. Navigate to the folder where the downloaded certificate is stored.

How do I add a trusted site to Firefox?

Add Trusted Sites for Mozilla Firefox

1. In Firefox go to the Open Menu (Upper right 3 lines)
2. Locate and select the “Security” tab.
3. Click on the “Exceptions…” button.
4. Next type in the internet address you would like to remain trusted EX: *.cloudworks.com.
5. Click “Close” then “OK” to complete this action.

Where are Firefox certificate exceptions?

In the tiny search box at the top of the page, type cert and Firefox should filter to the Certificates section. Click the “View Certificates” button to open the Certificate Manager. There are several different panels here; click Servers to show the server certificate exceptions.