Date: Sun, 13 Oct 2019 16:28:22 +0000 From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: "Fernando Gont" <fgont@si6networks.com> Cc: freebsd-security@freebsd.org, "FreeBSD Security Advisories" <security-advisories@freebsd.org> Subject: Re: FreeBSD Security Advisory FreeBSD-SA-19:19.mldv2 Message-ID: <5D4B64BF-72B4-4D69-9EC7-432773259958@lists.zabbadoz.net> In-Reply-To: <016f565b-9281-dc14-651a-bcd2245f0544@si6networks.com> References: <20190806183211.EE35BEE16@freefall.freebsd.org> <016f565b-9281-dc14-651a-bcd2245f0544@si6networks.com>
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On 7 Aug 2019, at 1:05, Fernando Gont wrote:
> Folks,
>
> Since FreeBSD ships with IPv6 support enabled by default, aren't all
> systems affected, one way or another?
No, you have to configure IPv6, otherwise processing is not done.
See the ifconfig option (which is default if you do not configure any IPv6):
ifdisabled
Set a flag to disable all of IPv6 network communications on the
specified interface. Note that if there are already configured
IPv6 addresses on that interface, all of them are marked as
"tentative" and DAD will be performed when this flag is cleared.
/bz
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