The Site Information panel opens when you click the padlock in the address bar. (On secure connection error and certificate warning pages, you'll see an "i" icon instead of a padlock.) This is where you can view information about connection security and site identity and make choices about any site permissions you have allowed or blocked.
When you visit a website, a lock icon in the address bar will generally indicate that the connection to the site is fully secure. For more information about the connection's security, click the padlock to open the Site Information panel. The top section of the panel shows you whether the current connection is classified as secure.
To learn about the issuer of a certificate for a secure connection and – if it is made available – the website's owner, or to disable the blocking of insecure content on a site, click the right arrow in the panel.
See How do I tell if my connection to a website is secure? to learn more about connection security. The Mixed content blocking in Firefox article tells you about Firefox's content blocking security feature.
The Permissions section of the Site Information panel will display any special permissions you've granted to the website in the past and lets you adjust them on the spot.
To edit any other permission for a site, click the right arrow in the panel and then click the Page Info window, which contains a comprehensive permissions section.button. This will open the
If you have granted any special permissions to the website, you will see a Permissions icon in the address bar. Click the Permissions icon to view and adjust permissions for the website on the spot.
To edit any other permission for a site, click the padlock in the address bar, click the right arrow in the Site Information panel and then click the Page Info window, which contains a comprehensive permissions section.button. This will open the