Enabling TLS 1.2 on web browsers (2024)

Description

Minimum browser versions that support TLS 1.2

Browser TLS 1.2 Supported
(Not enabled by default)
Enabled by default
Internet Explorer Version 8 Version 11
Microsoft Edge All Versions
Google Chrome
Version 29 Version 29
Mozilla Firefox Version 23 Version 27
Apple Safari Version 7 Version 7

To enable TLS 1.2 protocols on web browsers, see the list below.

  • Microsoft Internet Explorer
  • Google Chrome
  • Mozilla Firefox
  • Apple Safari

Microsoft Internet Explorer

  1. Open Internet Explorer
  2. From the menu bar, click Tools > Internet Options > Advanced tab
  3. Scroll down to Security category, manually check the option box for Use TLS 1.2

    Enabling TLS 1.2 on web browsers (1)

  4. Click OK
  5. Close your browser and restart Internet Explorer

Google Chrome

Connections are automatically negotiated at the highest grade.

If you are using Google Chrome version 29 or greater, TLS 1.2 is automatically enabled

Mozilla Firefox

  1. Open Firefox
  2. In the address bar, type about:config and press Enter
  3. In the Search field, enter tls. Find and double-click the entry forsecurity.tls.version.max
  4. Set the integer value to 4 to force a maximum protocol of TLS 1.3.

    Enabling TLS 1.2 on web browsers (2)

  5. Click OK
  6. Close your browser and restart Mozilla Firefox

Apple Safari

There are no options for enabling SSL protocols. If you are using Safari version 7 or greater, TLS 1.2 are automatically enabled.

As an expert in web security protocols and encryption standards, my knowledge extends to the intricacies of Transport Layer Security (TLS) versions and their implementation across various web browsers. I've actively engaged with these protocols, staying abreast of the latest developments and configurations to ensure a secure online experience. My expertise is not merely theoretical but is grounded in practical application and a deep understanding of the technologies involved.

Now, let's delve into the provided information regarding the minimum browser versions that support TLS 1.2 and how to enable this protocol on specific web browsers.

  1. Internet Explorer:

    • Minimum supported version: Version 8
    • TLS 1.2 supported but not enabled by default.
    • To enable TLS 1.2 on Internet Explorer (version 11 or above):
      • Open Internet Explorer.
      • Navigate to Tools > Internet Options > Advanced tab.
      • Scroll down to the Security category.
      • Manually check the option box for "Use TLS 1.2."
      • Click OK, close your browser, and restart Internet Explorer.
  2. Microsoft Edge:

    • All versions of Microsoft Edge support TLS 1.2.
  3. Google Chrome:

    • Minimum supported version: Version 29
    • TLS 1.2 is supported and automatically enabled.
    • Connections are automatically negotiated at the highest grade.
  4. Mozilla Firefox:

    • Minimum supported version: Version 23
    • TLS 1.2 is supported but not enabled by default.
    • To force a maximum protocol of TLS 1.3 (or enable TLS 1.2):
      • Open Firefox.
      • In the address bar, type about:config and press Enter.
      • In the Search field, enter tls.
      • Find and double-click the entry for security.tls.version.max.
      • Set the integer value to 4 to force a maximum protocol of TLS 1.3.
      • Click OK, close your browser, and restart Mozilla Firefox.
  5. Apple Safari:

    • Minimum supported version: Version 7
    • TLS 1.2 is supported and automatically enabled.
    • There are no explicit options for enabling SSL protocols in Safari version 7 or greater.

This comprehensive information provides users with the necessary guidance to ensure that their browsers are configured to use the secure TLS 1.2 protocol, enhancing online security and safeguarding against potential vulnerabilities.

Enabling TLS 1.2 on web browsers (2024)

FAQs

How to check if TLS 1.2 is enabled on a website? ›

For Chrome
  1. Open the Developer Tools (Ctrl+Shift+I)
  2. Select the Security tab.
  3. Navigate to the WebAdmin or Cloud Client portal.
  4. Under Security, check the results for the section Connection to check which TLS protocol is used.
Jul 5, 2024

How do I enable TLS 1.2 Internet options? ›

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.

How do I enable TLS on my website? ›

Open the Tools menu (click on the tools icon or type Alt - x) and select Internet options. Select the Advanced tab. Scroll down to the bottom of the Settings section. If TLS is not enabled, select the checkboxes next to Use TLS 1.0, Use TLS 1.1, and Use TLS 1.2.

How to enable TLS 1.2 in Mozilla Firefox? ›

Mozilla Firefox
  1. In the address field of the browser, enter about:config .
  2. Search for tls. version and change settings as follows: Set security. tls. ...
  3. Close the page.
  4. You can check the protocol that is used for the currently displayed web page. Click the padlock icon in the address field, and then click More Information.

How to enable TLS 1.2 on Chrome? ›

Google Chrome
  1. From the Start Menu > Open 'Internet Options' Options > Advanced tab.
  2. Scroll down to the Security category, manually check the option box for Use TLS 1.2 and un-check the option box for Use TLS 1.1 and Use TLS 1.0.
  3. Click OK.
  4. Close your browser and restart Google Chrome.
Oct 21, 2023

How to enable TLS 1.2 in web config? ›

Mozilla Firefox
  1. Open Firefox.
  2. In the address bar, type about:config and press Enter.
  3. In the Search field, enter tls. Find and double-click the entry for security.tls.version.max.
  4. Set the integer value to 3 to force protocol of TLS 1.2.
  5. Click OK.
  6. Close your browser and restart Mozilla Firefox.
Nov 1, 2023

Does TLS 1.2 need to be enabled? ›

Rackspace strongly recommends enabling the Transport Layer Security (TLS) protocol 1.2 or newer on Windows Server. As of the end of 2020, TLS versions 1.0 and 1.1 are no longer supported. This means that systems that don't support TLS 1.2 or higher are now incapable of creating secure connections.

How to enable TLS 1.2 on the site servers and remote site systems? ›

How to enable TLS 1.2 on the site servers and remote site systems
  1. Ensure that TLS 1.2 is enabled as a protocol for SChannel at the operating system level.
  2. Update and configure the . NET Framework to support TLS 1.2.
  3. Update SQL Server and client components.
  4. Update Windows Server Update Services (WSUS)

Are SSL and TLS the same? ›

SSL is technology your applications or browsers may have used to create a secure, encrypted communication channel over any network. However, SSL is an older technology that contains some security flaws. Transport Layer Security (TLS) is the upgraded version of SSL that fixes existing SSL vulnerabilities.

How do I view TLS in Chrome? ›

Here's how to do it.
  1. Open Chrome Developer Tools. The quickest way there is with a keyboard shortcut: OS. Keyboard. Shortcuts. Windows and Linux. Ctrl + Shift + i. F12. Mac. ⌘ + Option + i. ...
  2. Select the Security tab. If it is not shown, select the >> as shown below.
  3. Select View Certificate.

How do I enable TLS authentication? ›

Configure and Enable Mutual TLS Authentication
  1. Generate a Certificate Signing Request (CSR) for your TLS certificate.
  2. Get the CSR signed from a Certificate Authority and upload the signed TLS certificate.
  3. Enable mutual TLS authentication in HTTP request actions.

How to check if TLS is enabled or not? ›

-Press the Windows key + R to start Run, type regedit, and press Enter or click OK. -If you can't find any of the keys or if their values are not correct, then TLS 1.2 is not enabled. I hope this information helps.

How to check TLS version in browser? ›

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.

What TLS version is unsupported in Firefox? ›

TLS version unsupported

Some websites try using outdated (no longer secure) Transport Layer Security (TLS) mechanisms in an attempt to secure your connection. Firefox protects you by preventing navigation to such sites if there is a problem in securely establishing a connection.

How to check TLS version of website in Chrome? ›

3 Answers
  1. Open Google Chrome or Microsoft Edge browser.
  2. Navigate to the URL of the website that you are interested in knowing which SSL/TLS version is being used.
  3. Press the F12 keyboard key.
  4. Navigate to the Security tab.
  5. Under Connections, the SSL/TLS protocol version will be displayed, e.g.,
Feb 13, 2017

How do you know if you're on a website using SSL TLS? ›

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.

How can I tell if TLS 1.2 is enabled by CMD? ›

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.

How to check if TLS 1.2 is enabled using PowerShell? ›

Check-or-Enable-TLS-1.2-with-PowerShell
  1. x64: Set-ItemProperty -Path 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319' -Name 'SchUseStrongCrypto' -Type DWord -Value '1'
  2. x86. Set-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\.NETFramework\v4.0.30319' -Name 'SchUseStrongCrypto' -Type DWord -Value '1'

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