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Force Safari to use iPv6 when both iPv4 & iPv6 are available

Basically in the title, how can we force Safari to use iPv6 protocole rather than iPv4 when both are available (which is not the case by default !!!????)


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I've checked with Chrome and Firefox and both prefer iPv6 to iPv4...

OS X Mavericks (10.9)

Posted on Feb 26, 2014 4:10 PM

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Posted on Mar 15, 2014 12:37 PM

There is no way to force apps on OS X to use a specific version of the Internet Protocol. Since a couple of major OS X versions there is a daemon in the background that determines which protocol would give you a lower latency and in general a faster connection. In your case it automatically selects the IPv4 protocol, because it is faster.

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Question marked as Best reply

Mar 15, 2014 12:37 PM in response to macOS11

There is no way to force apps on OS X to use a specific version of the Internet Protocol. Since a couple of major OS X versions there is a daemon in the background that determines which protocol would give you a lower latency and in general a faster connection. In your case it automatically selects the IPv4 protocol, because it is faster.

Force Safari to use iPv6 when both iPv4 & iPv6 are available

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