Azure: TLS 1.1 and 1.0 End of Support

PublishedDecember 5, 2023

Executive technology leader responsible for platform reliability, cloud operations, security posture, and enterprise technology risk within an investor-backed fintech environment. I lead technology operations at the intersection of engineering execution, governance, and business outcomes — ensuring platforms are scalable, resilient, and trusted by investors, regulators, and clients.

Currently VP of DevOps at InvestorFlow, where I focus on building board-ready technology operations, strengthening risk and resilience, and shaping long-term platform strategy to support growth and regulatory confidence.

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Date for your calendars

On the 31st of October 2024, Azure services using TLS 1.1 or 1.0 will end support. This will result in potential risk when requiring support with services still on this version.

Recommendation

Microsoft recommends upgrading your TLS versions on Azure services to 1.2 or later.

How to tell if my resource uses anything below TLS 1.2

I haven't found a fast way yet if you only use the portal to configure Azure services. You will have to go into each service to identify the version.

Storage Accounts

Select a Storage Account resource
Select Configuration from the side menu
Locate Minimum TLS version

Web App

Select a Web App resource
Select Configuration from the side menu
Select General settings from one of the tabs on the page
Locate Minimum Inbound TLS Version

SQL Managed Instance

Select a SQL Managed Instance resource
Select Networking from the side menu
Locate Minimum TLS version

Azure Database for PostgreSQL

Select an Azure Database for PostgreSQL resource
Select Connection security from the side menu
Locate Minimum TLS version

Azure Cosmos DB Account

Select an Azure Cosmos DB account resource
Select Networking from the side menu
Select Connectivity from one of the tabs on the page
Locate Minimum Transport Layer Security Protocol

Function App

Select a Function App resource
Select Configuration from the side menu
Select General settings from one of the tabs on the page
Locate Minimum Inbound TLS Version

Considerations

Before changing to TLS 1.2 or above:

Check connectivity support for anything utilising the resource
Test on an environment to make sure there is no impact on change
The change could impact legacy software, so check the compatibility
Check any configurations where TLS may be specified

Azure: TLS 1.1 and 1.0 End of Support

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Date for your calendars

Recommendation

How to tell if my resource uses anything below TLS 1.2

Storage Accounts

Web App

SQL Managed Instance

Azure Database for PostgreSQL

Azure Cosmos DB Account

Function App

Considerations

Command Palette

Comments (1)

More from this blog

Date for your calendars

Recommendation

How to tell if my resource uses anything below TLS 1.2

Storage Accounts

Web App

SQL Managed Instance

Azure Database for PostgreSQL

Azure Cosmos DB Account

Function App

Considerations