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Breaking change for SNI-SSL host names on Azure App Service

Wednesday, May 2, 2018

When you configure Azure App Service with a custom domain name, you can pick between an SNI-SSL binding type and an IP-SSL binding type. When we released the option to select your TLS version, an edge-case breaking change was also identified: sites that have SNI-SSL selected will not be able to work with TLS 1.0 selected, if receiving traffic from older browser versions.

​For more information about the issue and how to resolve it, see the blog post.

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