Date: Mon, 12 Jun 2017 13:19:12 +0200 From: Tijl Coosemans <tijl@FreeBSD.org> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: freebsd-net@FreeBSD.org Subject: Re: Enable IPv6 Privacy Extensions by default Message-ID: <20170612131912.42537b13@kalimero.tijl.coosemans.org> In-Reply-To: <D05BDD5A-F7ED-4DFE-8835-DE444A12C771@lists.zabbadoz.net> References: <20170611215904.4612ee41@kalimero.tijl.coosemans.org> <D05BDD5A-F7ED-4DFE-8835-DE444A12C771@lists.zabbadoz.net>
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On Sun, 11 Jun 2017 22:13:14 +0000 "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> wrote: > On 11 Jun 2017, at 19:59, Tijl Coosemans wrote: >> I recently got a new modem/router from my ISP that supports IPv6. Added >> ifconfig_em0_ipv6="inet6 accept_rtadv" and rtsold_enable="YES" to >> /etc/rc.conf like the handbook says and now all my FreeBSD systems have >> an IPv6 address. \o/ >> >> I also added these lines to /etc/sysctl.conf to enable temporary >> addresses: >> >> net.inet6.ip6.use_tempaddr=1 >> net.inet6.ip6.prefer_tempaddr=1 >> >> Shouldn't these be enabled by default? There was a proposal 9 years ago >> that didn't get any objections but it seems it wasn't committed: >> https://lists.freebsd.org/pipermail/freebsd-net/2008-June/018381.html >> >> If there are no objections, I'll make the change in a week or so. > > Object :) > > Check the rc.conf ipv6_privacy option rather than setting the sysctl > manually. Ah, thanks. I see that RFC 4941 also recommends it be disabled by default.
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