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secure https padlock lock grey

Firefox uses a padlock icon next to a website's URL to let you know your connection is encrypted. Click on the icon for more information.

When you visit a website, the Site Identity button (a padlock) appears in the address bar to the left of the web address. You can quickly find out if the connection to the website you are viewing is encrypted, and in some cases who owns the website. This should help you avoid malicious websites that are trying to obtain your personal information. {for not fx136}[[Image:Fx89AddressBarPadlock]]{/for}{for fx136}[[Image:Fx136AddressBarPadlock]] When viewing a secure website, the Site Identity button will be a padlock [[Image:Fx89Padlock]]. In a few cases, however, you may see a padlock with a warning triangle [[Image:Fx89Padlock-Triangle]] or a padlock with a red strike over it [[Image:Fx89Padlock-RedLine]]. {note}Clicking the padlock to the left of the address bar brings up the [[Site Information panel|Site Information panel]], which allows you to view more detailed information about the security status of the connection.{/note} {/for} __TOC__ {warning}'''Warning:''' You should never send any sensitive information (such as bank information, credit card data or social security numbers) to a website if the address bar shows a padlock with a warning triangle or red strike over it. In such cases, you may not be communicating with the intended website and your data isn't safe against eavesdropping!{/warning} =Padlock= A padlock [[Image:Fx89Padlock]] with no warning triangle or red strike over it indicates that: *You’re definitely connected to the website whose address is shown in the address bar and the connection hasn’t been intercepted. *The connection between Firefox and the website is encrypted to prevent eavesdropping. Click the padlock to find out if the website is using an [https://wikipedia.org/wiki/Extended_Validation_Certificate Extended Validation (EV) certificate]. An EV certificate is a special type of site certificate that requires a significantly more rigorous identity verification process than other types of certificates. For sites using EV certificates, the legal company or organization name and location of the website owner displays when you click the padlock. =Padlock with a warning triangle= A padlock with a warning triangle [[Image:Fx89Padlock-Triangle]] indicates that the connection between Firefox and the website is only partially encrypted and doesn't prevent eavesdropping. By default, Firefox does not block insecure passive content such as images; you will simply see a warning that the page isn't fully secure. For more information, see [[Mixed content blocking in Firefox]]. {note}Do not send any sensitive information to sites where the Site Identity button is a padlock with a warning triangle.{/note} A padlock with a warning triangle also appears for [[What do the security warning codes mean?|website certificate warnings]], such as for sites with self-signed certificates or certificates that aren’t issued by a trusted authority. This is a problem the site developer needs to resolve. =Padlock with a red strike over it= A padlock with a red strike over it [[Image:Fx89Padlock-RedLine]] indicates that the connection between Firefox and the website is either delivered using an insecure protocol (HTTP) or that it is only partially encrypted because you've manually deactivated [[Mixed content blocking in Firefox|mixed content blocking]]. The site doesn't prevent against eavesdropping or [http://en.wikipedia.org/wiki/Man-in-the-middle_attack man-in-the-middle attacks]. {note}Do not send any sensitive information to sites where the Site Identity button is a padlock with a red strike over it.{/note}