SSL connections overview

SSL (Secure Sockets Layer) is a protocol that provides secure communications on the Internet for such things as web browsing, e-mail, instant messaging, and other data transfers. Google forces HTTPS (Hypertext Transfer Protocol Secure) when your users access most services in Google Workspace. SSL is available for Gmail, Chat, Calendar, Google Groups for Business, Drive, and Sites.

The advantage of SSL is added security for your users. If your users access Google Workspace on a non-secure Internet connection, such as a public wireless or non-encrypted network, your users' accounts may be more vulnerable to hijacking. A secure connection prevents hijacking by protecting the cookie session. Cookie session hijacking refers to a situation where an impostor gains unauthorized access to cookies and seizes control of a legitimate session while it is still in progress.

SSL and TLS

Transport Layer Security (TLS) has replaced SSL. When using Google Workspace, be aware that all settings that mention SSL now use TLS. TLS is an industry-wide standard based on Secure Sockets Layer (SSL) technology that encrypts mail for secure delivery.

Google Workspace supports TLS versions 1.0, 1.1, 1.2, and 1.3.

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