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andrewek

Should I disable IPv6?

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Hello all!

A lot of conflicting information about the need to disable the Internet Protocol IPv6 in order to improve computer security.
Microsoft even publishes recommendations for the correct shutdown.
But is it necessary for an ordinary user?
Dear F.Wosar, as early as 6 years ago, speaks of the unnecessary nature of such a shutdown.
What will experts say today?

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This has not changed. The article also states clearly at the start:

Quote

It is common for IT administrators to want to disable IPv6. This is often because of some unknown, networking-related issue, such as a name resolution issue.

Important Internet Protocol version 6 (IPv6) is a mandatory part of Windows Vista and Windows Server 2008 and newer versions. We do not recommend that you disable IPv6 or its components. If you do, some Windows components may not function.

 

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IPv6 support may be needed to access websites or other online services that are hosted on servers which have IPv6 addresses. Disabling IPv6 support in Windows may prevent access to some such sites and services.

VPN services recommend disabling IPv6 in Windows when they don't fully support IPv6, as accessing IPv6 resources when connected via such a VPN could leak IPv6 connection details. Some VPN providers (such as Windscribe) take a different route, and block all IPv6 traffic via the Windows Firewall in order to prevent this, however they also warn that WebRTC could still leak your real IP address.

Obviously it's best to use a VPN service that fully supports IPv6, however at this time I am not aware of any that do.

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