This can be done in a web browser by doing a right click and selecting 'view source'. View the page source html code to check for non-secure items. For more information, see Mixed content blocking in Firefox. To resolve this issue make sure that the page code does not pull data directly from a non-secure URL. 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. An EV certificate is a special type of site certificate that requires a significantly more rigorous identity verification process than other types of certificates.įor sites using EV certificates, the legal company or organization name and location of the website owner displays when you click the gray padlock.Ī gray padlock with a warning triangle indicates that the connection between Firefox and the website is only partially encrypted and doesn't prevent eavesdropping. The connection between Firefox and the website is encrypted to prevent eavesdropping.Ĭlick the padlock to find out if the website is using an Extended Validation (EV) certificate.You’re definitely connected to the website whose address is shown in the address bar and the connection hasn’t been intercepted.In such cases, you may not be communicating with the intended website and your data isn't safe against eavesdropping! PadlockĪ gray padlock with no warning triangle or red strike over it indicates that:
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.