Sysadmin Central

Starting October 31, 2024, Microsoft plan to fully deprecate support for TLS 1.0 and TLS 1.1 across Azure, requiring that all services interact using the more secure TLS 1.2 or later. Companies using these protocols must upgrade to TLS 1.2 (or later) to avoid service disruptions.

Here’s what you need to know –

Why It Matters

Although the Microsoft implementation of TLS 1.0 and 1.1 are not known to contain vulnerabilities, they are outdated and are less secure than more modern equivalents. Switching to TLS 1.2+ ensures modern encryption standards, stronger security, and better regulatory compliance.

How to Upgrade Azure Services

• Azure App Services / Function Apps: Minimum Inbound TLS Version may be set under Settings > Configuration > General settings.
• Azure SQL Database: Set minimum TLS version via Security > Networking > Connectivity.
• Storage Accounts: Navigate to Settings > Configuration tab and select TLS 1.2 as the minimum TLS version.

Other services are all likely to have similar steps.

For more detailed guidance, check Microsoft’s full documentation on the TLS 1.0 problem Solving the TLS 1.0 Problem, 2nd Edition.