enforce deprecation of legacy tls versions

ENFORCE DEPRECATION OF LEGACY TLS VERSIONS HOW TO
ENFORCE DEPRECATION OF LEGACY TLS VERSIONS UPDATE
ENFORCE DEPRECATION OF LEGACY TLS VERSIONS UPGRADE

We recommend that Rooms devices have Microsoft Teams Rooms app version 4.0.64.0 or later installed.

Microsoft Teams Rooms (previously known as Skype Room System V2 SRS V2) have supported TLS 1.2 since December 2018. TLS 1.2 for Microsoft Teams Rooms and Surface Hub Safari 6.0.4/OS X10.8.4 and earlier versions.Internet Explorer 10 on Windows Phone 8.Internet Explorer 8-10 on Windows 7 and earlier versions.Firefox version 5.0 and earlier versions.

ENFORCE DEPRECATION OF LEGACY TLS VERSIONS UPDATE

Update these clients to ensure uninterrupted access to the service. The following clients are known to be unable to use TLS 1.2.

ENFORCE DEPRECATION OF LEGACY TLS VERSIONS HOW TO

NET configuration, see How to enable Transport Layer Security (TLS) 1.2 on clients. You'll need to update applications that call Microsoft 365 APIs over TLS 1.0 or TLS 1.1 to use TLS 1.2.NET 4.5 defaults to TLS 1.1. We do not recommend email transmission without any encryption. However, we will continue accepting SMTP Connection which is unencrypted without any TLS. You might have to update certain client-server and browser-server combinations.įor SMTP Inbound mail flow, after deprecation of TLS 1.0 and 1.1, we will accept only TLS 1.2 connection. We recommend that all client-server and browser-server combinations use TLS 1.2 (or a later version) in order to maintain connection to Office 365 services. For our commercial customers of Office 365, deprecation of TLS 1.0 and 1.1 began Octoand rollout continued over the following weeks and months. Any clients, devices, or services that connect to Office 365 through TLS 1.0 or 1.1 in our DoD or GCC High instances are unsupported. We began deprecation of TLS 1.0 and 1.1 as of January 2020. For details, see What are the current cipher suites supported by Azure Front Door?. Microsoft 365 and Azure Front Door have slight differences in cipher suite support.

ENFORCE DEPRECATION OF LEGACY TLS VERSIONS UPGRADE

But because of the potential for future protocol downgrade attacks and other TLS vulnerabilities, we discontinued support for TLS 1.0 and 1.1 in Microsoft Office 365 and Office 365 GCC.įor information about how to remove TLS 1.0 and 1.1 dependencies, see the following white paper: Solving the TLS 1.0 problem.Īfter you upgrade to TLS 1.2, make sure that the cipher suites you're using are supported by Azure Front Door. The Microsoft TLS 1.0 implementation has no known security vulnerabilities. We understand that the security of your data is important, and we're committed to transparency about changes that may affect your use of the TLS service. To provide the best-in-class encryption to our customers, Microsoft has deprecated Transport Layer Security (TLS) versions 1.0 and 1.1 in Office 365 and Office 365 GCC. Learn details about signing up and trial terms.

Start now at the Microsoft Purview compliance portal trials hub. If you're not an E5 customer, use the 90-day Microsoft Purview solutions trial to explore how additional Purview capabilities can help your organization manage data security and compliance needs.

Enforce deprecation of legacy tls versions