DNS over TLS comes to Windows 11

July 18, 2022
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Microsoft has added another feature to Windows 11. This one is a networking enhancement for the operating system that few would find useful, but those who will are sure to appreciate it.

DoT is the name of this new addition.

If you are wondering what in the world DoT is, then wonder no more. It is a technology intended for encrypted network traffic and is an alternative to the DNS over HTTPS protocol, which is more commonly known as DoH.

DoH is present in Windows 11 and Windows Server 2022, enabling DNS traffic to be routed as HTTPS stream over port 443.

DoT, short for DNS over TLS, routes encrypted traffic over a TLS tunnel on a dedicated port 853. While this new technology offers better network performance in some use cases, those who use it lose some of DoH’s flexibility.

This feature is now online with build 25158, which Microsoft recently rolled out in the Dev Channel of its preview program. It is also available in the latest Windows Server 2022 preview that the software titan made available a little while back.

The former build, of course, is the one that activated a bunch of new features, including different Search styles, notification badges in Widgets, CD-ripping capabilities in the Media Player, a new Camera, and more such goodies.

Microsoft briefly mentioned this feature in the announcement post, confirming that this new option is now available for Insiders.

If you are interested, the company has put together guidance for enabling DoT. It includes setting things up in the Network panel of Settings and then running a few commands in Command Prompt with admin privileges.

It’s worth mentioning that port 853 is the only port that can be designated for DoT at this time, as custom configurations are not currently supported.

Article Categories:
Featured · Features · Windows 11

Fahad Ali is a professional freelancer, specializing in technology, web design and development and enterprise applications. He is the primary contributor to this website. When he is not typing away on his keyboard, he is relaxing to some soft jazz.

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