General availability: Azure Files now supports SMB 3.1.1
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Server Message Block (SMB) 3.1.1 is the most recent version of the SMB protocol, released with Windows 10, containing important security and performance updates. Azure Files SMB 3.1.1 ships with two additional encryption modes, AES-128-GCM and AES-256-GCM, in addition to AES-128-CCM which was already supported. In addition to SMB 3.1.1, Azure Files exposes security settings that change the behavior of the SMB protocol. With this release, you may configure allowed SMB protocol versions, SMB channel encryption options, authentication methods, and Kerberos ticket encryption options. By default, Azure Files enables the most compatible options, however these options may be toggled at any time.
For more information, see:
* [SMB security settings](https://docs.microsoft.com/azure/storage/files/files-smb-protocol#smb-security-settings)
* [Windows](https://docs.microsoft.com/azure/storage/files/storage-how-to-use-files-windows) and [Linux](https://docs.microsoft.com/azure/storage/files/storage-how-to-use-files-linux) SMB version information
* Azure Files
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