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View/Remove Certificate Exceptions in Firefox
How to view certificate exceptions that I have added in the past in Firefox? I want to remove some of them. Each time you add a certificate exception for a website in Firefox, the invalid certificate of the website is added to Firefox under the "Servers" certificate category. You follow these steps ...
2016-08-30, 400👍, 0💬

5 Certificate Categories in Firefox
What are different categories of certificates in Firefox? I see Firefox lists certificates in 5 categories on Certificate Manager. Firefox stores certificates in 5 categories. You can see them listed on 5 tabs on the Certificate Manager: 1. Run Firefox and go to "Tools > Options" menu. 2. Click "...
2016-08-30, 380👍, 0💬

"This Connection is Untrusted" Error in Firefox 9
Why I am getting the "This Connection is Untrusted" error screen in Firefox 9? You will see the "This Connection is Untrusted" error screen in Firefox 9, if Firefox failed to validate the server certificate provided by the Web site you are visiting. One of the reason for the validation failure is mi...
2016-08-30, 355👍, 0💬

"DigiNotar Root CA" Not Trusted in Firefox
Why "DigiNotar Root CA" certificate is shown as "not trusted" in Firefox? It seems be a root CA. "DigiNotar Root CA" used be a trusted root CA. But as of September 2011, it's root CA status has been revoked due to a security breach that resulted in the fraudulent issuing of certificates by hackers. ...
2016-08-30, 349👍, 0💬

Add Certificate Validation Exception in Firefox 9
Can I continue to use the Web site, even if it has the "This Connection is Untrusted" error? Normally, you should not continue to use the Web site, if it has the "This Connection is Untrusted" error. But if you don't plan to exchange any sensitive data with the site, you can continue to use it as sh...
2016-08-30, 317👍, 0💬

Start "Certificate Manager" Inside Firefox
How to start the "Certificate Manager" inside Firefox? I heard that it can be used to manage root CA certificates and personal certificates for Firefox. To start "Certificate Manager" inside Firefox, you need to use the "Tools > Options> Advanced > Certificates" menu as shown below: 1. Run ...
2016-08-21, 3968👍, 1💬

💬 2016-08-21 Tim: Easy to follow. Thanks!

List of Root CA Certificates Used by Firefox 9
How to see the list of root CA certificates used by Firefox 9? To see the list of trusted CA certificates used by Firefox 9, you need to use the Certificate Manager built-in Firefox as shown below: 1. Click the "Tools > Options" menu. 2. Click the "Advanced > Encryptions" tab. 3. Click "View C...
2016-07-12, 455👍, 0💬

Start "Certificate Manager" Inside Firefox 9
How to start the "Certificate Manager" inside Firefox 9? I heard that it can be used to manage root CA certificates and personal certificates for Firefox. To start "Certificate Manager" inside Firefox, you need to use the "Tools > Options> Advanced > Encryption" menu as shown below: 1. Run ...
2016-07-12, 383👍, 0💬

Tutorials for Older Versions of Firefox
Where to find information on managing certificates in older versions of Firefox? I am still using Firefox 9 on my old computer. Here are some tutorials for older versions of Firefox 9 compiled by FYIcenter.com team. But you should try to follow tutorials for the current version first, because most F...
2016-07-12, 354👍, 0💬

Firefox Certificates Tutorials
Where to find tutorials on managing certificate in Firefox? I want to learn how Firefox stores and manages security certificates. Here is a collection of tutorials on managing certificates in Firefox compiled by FYIcenter.com team. Topics include viewing, exporting, and importing certificates; etc. ...
2016-07-12, 2343👍, 0💬

Managing Certificates in Mozilla Firefox
How to manage certificates in Mozilla Firefox browser? Where is the Certificate Manager in Firefox? Here is a collection of tutorials on managing certificates in Firefox compiled by FYIcenter.com team. Topics include: How to start "Certificate Manager" inside Firefox? How to list root CA certificate...
2012-12-10, 4121👍, 0💬

Mozilla Firefox "certutil" - Certificate Management Tool - 17 Tutorials
Do you want to learn how to manage certificates for Mozilla Firefox on Windows? Here is a collection of 17 easy-to-follow tutorials for you: How to download and install Mozilla Firefox certificate management tool, certutil? How to list all certificates cert8.db with certutil? How to export and impor...
2012-12-09, 8257👍, 0💬

Tool for cert8.db and key3.db Files - Mozilla "certutil"
What tool to use to manage cert8.db and key3.db files directly? I know cert8.db and key3.db are used by Firefox 9 to store CA certificates. cert8.db and key3.db are created by Firefox 9 automatically to store CA certificates. Normally, you should use the Firefox built-in Certificate Manager to manag...
2012-12-09, 23974👍, 0💬

Certificates File on Windows 7 for Firefox
What is the file name is used by Firefox to store CA certificates on Windows 7 systems? Where this file is located? On Windows 7 systems, Firefox stores certificates in a file called "cert8.db" in the profile folder of each user. For example, if your login name is "fyicenter", your certificate file ...
2012-07-31, 5335👍, 0💬

Certificate File cert8.db for Firefox Is Deleted
What should I do, I deleted cert8.db for Firefox by a mistake on my computer? You don't need to do anything. If you start Firefox again, it will create a new copy of the certificate file, cert8.db, by itself! In fact, it is recommended that you delete the cert8.db file to resolve certificate file co...
2012-07-31, 4882👍, 0💬

Security Component Error on Starting Firefox 9
Why am I getting the "Could not initialize the application's security component" error when staring Firefox 9 on Windows 7? When staring Firefox 9 on Windows 7, you may get this error message: Could not initialize the application's security component. The most likely cause is problems with files in ...
2012-07-31, 3533👍, 0💬

Add Certificate Exception in Firefox
Can I continue to use the Web site, even if it has the "Your connection is not secure" error? Normally, you should not continue to use the website, if it has the "Your connection is not secure" error. But if you don't plan to exchange any sensitive data with the website you may be able to continue t...
2012-07-26, 5711👍, 0💬

"Your connection is not secure" Error in Firefox
Why I am getting the "Your connection is not secure" error screen in Firefox? You will see the "Your connection is not secure" error screen in Firefox, if Firefox failed to validate the server certificate provided by the Web site you are visiting. One of the reason for the validation failure is miss...
2012-07-26, 7787👍, 0💬

Export Server Certificate in Firefox to File
How to export the server certificate to a file in Firefox? I can view the server certificate used by the Web site. If you are view the server certificate in Firefox, you can export it to a certificate file as shown in this tutorial: 1. Visit https://www.paypal.com Web site with Firefox. 2. Open the ...
2012-07-26, 3370👍, 0💬

Validation Path of Server Certificate in Firefox
How to see the signing chain or the validation path of a server certificate in Firefox? I want to know the root CA who signs the last certificate in the certificate path. If you are visiting a Web site that uses a "https" address with Firefox, you can view the server certificate path of the site to ...
2012-07-26, 3282👍, 0💬

Export Server Certificate Full Path in Firefox to File
How to export all certificates in the server certificate path to a file in Firefox? To export all certificates in the server certificate path to a file in Firefox, you can choose the "X.509 Certificate with chain (PEM)" file type as shown in this tutorial: 1. Visit https://www.paypal.com Web site wi...
2012-07-26, 3111👍, 0💬

General Information of Server Certificate in Firefox
How to read general information of a server certificate in Firefox? What is the meaning of "MD5 Fingerprint"? This tutorial may help you to understand general information of the server certificate of a secure Web site. 1. Visit https://www.paypal.com Web site with Firefox. 2. Open the server certifi...
2012-07-26, 2775👍, 0💬

Security Tab of Viewing Page Info in Firefox
How to see more security related information on View Page Info in Firefox? To see more security related information on View Page Info in Firefox, you can follow this tutorial: 1. Run Firefox and visit www.paypal.com Web site. You see PayPal home page showing up. 2. Right-mouse click anywhere on the ...
2012-07-25, 3765👍, 0💬

Delete Root CA Certificate from Firefox
How to delete a root CA (Certificate Authority) certificate from Firefox? I don't know this root CA and don't want to trust any Web sites that uses this root CA. If you want to delete a certificate from Firefox, you can export it to a file first, then follow this tutorial to delete it from Firefox. ...
2012-07-25, 3752👍, 0💬

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