Feel free to enhance this answer as needed. ( Edit: I have incorporated some information from the comments done a few tests myself. If the server is configured to do TLS 1.0 only then any connection which actually happens will use TLS 1.0, necessarily. TLS v1.0 256 bit AES (1024 bit DHE_RSA/SHA) Othersįor browsers which do not show the information, you can always obtain it running a network analyzer like Wireshark or Network Monitor: they will happily parse the public headers of the SSL/TLS packets, and show you the version (indeed, all of the data transfers in SSL/TLS are done in individual "records" and the 5-byte header of each record begins with the protocol version over two bytes).Īnd, of course, the actual protocol version is a choice of the server, based on what the server is configured to accept and the maximum version announced by the client. Opera shows the protocol version in a way similar to Chrome: click on the padlock icon, then click on the "Details" button. On later versions of Chrome, this information in the security tab of the developer tools. Internet Explorer Instructions: Open Internet Explorer From the menu bar, click Tools > Internet. On earlier versions of Chrome, click on the padlock icon a popup appears, which contains some details, including the protocol version. IE 11 supports TLS 1.2 and later and is enabled by default. You can see the negotiated protocol version if you click the padlock icon (on the left of the URL), then More Information and then under the Technical Details. TLS 1.2, RC4 with 128 bit encryption (High) RSA with 2048 bitĪs of today, Firefox supports TLS 1.0, TLS 1.1 and TLS 1.2. Just hit File->Properties or Right-click -> Properties, and a window would open, under Connection, you'd see something like: Internet ExplorerĪccording to what is described on this blog post, Internet Explorer can display the protocol version information. I assume that you want to know the exact protocol version that your browser is using.
Internally, TLS 1.0/1.1/1.2 are SSL 3.1/3.2/3.3 respectively (the protocol name was changed when SSL became a standard). There are several protocol versions : SSL 2.0, SSL 3.0, TLS 1.0, TLS 1.1 and TLS 1.2.
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