Firefox SSL

Secure access with https in Firefox

Installation of the free SSL certificate in Firefox browser. February 27, 2019

The SSL certificate confirms the authenticity of the site and provides secure communication with the site. All data transmitted over the network is encrypted with the certificate. Therefore, you can be sure that your data will not be read during transmission over the network. You also know that you are viewing the pages of this site, and not the fake site.

For the purpose of testing the certificate is more convenient to use the Firefox browser. When you click on the certificate link //9o1d.com/9o1d.crt9o1d.crt, the browser will open the dialog window

/ssl/download_cert.png Downloading certificate Figure 1. Downloading Certificate dialog window of Firefox.

Check the box to the menu item "Trust this CA to identify websites", as shown in the picture.

When you click on the "View" button, you can view the certificate.

/ssl/view_cert.png View certificate Figure 2. View Certificate.

It shows: certificate name "sms_ca", serial number and checksum. They must match this picture.

If everything matches, close these dialogs with confirmation of the changes.

To check, type the address https://9o1d.comhttps://9o1d.com in browser.

The site should open and a green padlock will appear in the browser bar. When you click on the padlock, information about encryption of the connection will be displayed.

/ssl/secure_test_cert.png Green padlock Figure 3. Green padlock of the connection.

You can also read more information about the certificate used for the connection.

/ssl/viewer_cert.png Additional information Figure 4. Additional information about the certificate

If you want to remove the certificate, you need to open the browser settings and enter the installed certificates menu. There are many paid certificates. Find the certificate "sms_ca" and click the "Delete" button. Of course, after that you will not be able to establish a secure connection to the site, but if you need to, you can reinstall the certificate.

/ssl/delete_cert.png /ssl/delete_cert.png Deleting certificate Figure 5. Deleting certificate

Firefox browser uses its own certificate storage. Other browsers can use their own certificate storage or system shared certificate storage. How to install the certificate in the system shared certificate storage, you can read in "/shared_sslHow to install SSL certificate in the system shared certificate storage" article.

How to test the certificate with Linux tools, You can read in the "/test_sslTest SSL certificate in Linux command console" article.

Written by: Askar Azhibaev.