For more information, see Mixed content blocking in Firefox.

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. By clicking Accept, you consent to the use of ALL the cookies. 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. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits.You’re definitely connected to the website whose address is shown in the address bar and the connection hasn’t been intercepted.Although the SSL protocol was deprecated with the release of TLS 1.0 in 1999, it is still common to refer to these related technologies as SSL or SSL/TLS. 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: SSL (Secure Sockets Layer) and its successor, TLS (Transport Layer Security), are protocols for establishing authenticated and encrypted links between networked computers.

The SSL protocol was the first protocol designed for this purpose and TLS is its successor. Their main goals are to provide data integrity and communication privacy. They are used to make sure that network communication is secure. 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. Secure Sockets Layer (SSL) and Transport Layer Security (TLS) are cryptographic security protocols.

Ssl security icon