Forward: HEADS UP! Default value of ip6_v6only changed

Christian Weisgerber naddy at
Mon Nov 3 16:30:13 PST 2003

Hajimu UMEMOTO <ume at> wrote:

> Our default of net.inet6.ip6.v6only was off in 4.X, and was changed to
> on on 5.X to follow NetBSD's practice.  This behavior on 5.X breaks
> RFC2553/3493, and the change was intentional from security
> consideration.  But, NetBSD changed it off by default.

They have changed back.

Christian "naddy" Weisgerber                          naddy at

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