How to Check the TLS Version on a Website: 4 Easy Methods (2024)

FAQs

How to Check the TLS Version on a Website: 4 Easy Methods? ›

You'll see the padlock icon on the right side of the address bar. Click More information. It'll be below the certificate issuer's name. Find the TLS version under "Technical Details." This is the bottom section of the Security tab, which opens by default.

In the Windows menu search box, type Internet options. Under Best match, click Internet Options. In the Internet Properties window, on the Advanced tab, scroll down to the Security section. Check the User TLS 1.2 checkbox.

Using the Command Prompt

To do this, open the command prompt by clicking the Windows start button, typing “cmd” and then pressing enter. Once the command prompt window is open, type “netsh trace show tls” and press enter. This will show you the TLS protocol version that is being used.

HTTPS appears in the URL when a website is secured by an SSL/TLS certificate. Users can view the details of the certificate, including the issuing authority and the corporate name of the website owner, by clicking the lock symbol on the browser bar.

TLS is a cryptographic protocol that provides end-to-end security of data sent between applications over the Internet. It is mostly familiar to users through its use in secure web browsing, and in particular the padlock icon that appears in web browsers when a secure session is established.

For Google Chrome & Microsoft Edge browser: o In the Windows menu search box, type 'Internet options'. o In the Internet Properties window, on the 'Advanced' tab, scroll down to the 'Security' section. o Make sure the 'User TLS 1.2' checkbox is checked.

TLS is the direct successor to SSL, and all versions of SSL are now deprecated. However, it's common to find the term SSL describing a TLS connection. In most cases, the terms SSL and SSL/TLS both refer to the TLS protocol and TLS certificates.

What is the TLS version? ›

TLS evolved from a previous encryption protocol called Secure Sockets Layer (SSL), which was developed by Netscape. TLS version 1.0 actually began development as SSL version 3.1, but the name of the protocol was changed before publication in order to indicate that it was no longer associated with Netscape.

Click on Security in the dropdown menu. Check the TLS version in the Connection - secure connection settings section.

This registry path is stored in HKLM\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL under the EventLogging key with a DWORD value set to 1. You must reboot your device after changing the SChannel logging level.

Enter the URL you wish to check in the browser. Right-click the page or select the Page drop-down menu, and select Properties. In the new window, look for the Connection section. This will describe the version of TLS or SSL used.

06 In the navigation panel, under Security, select Protocols + ciphers to access the API gateway's protocol and cipher configuration. 07 Select the Protocols tab and check the Status value for the following protocols: SSL 3.0, TLS 1.0, and TLS 1.1, for both client and backend protocols.

On the server side you can use the "ssldump" utility to see the TLS handshake, e.g. "ssldump port 5061". This will show you which party closes the TLS connection (e.g. sends "Alert" message) and maybe also the cause (e.g. "unknown CA").