I wish FreeBSD would adopt the dhcpcd daemon from the NetBSD project
(2-clause BSD license) as a standard DHCP client for IPv4 and IPv6,
as some other OSes have done by now. It is currently available in
FreeBSD ports as net/dhcpcd.
Among other features it supports RFC 7217, i.e. stable privacy address,
which should be as easy to configure in FreeBSD as is now the
(mostly undesirable) ipv6_privacy="YES", but is currently much
too complicated for an average user.
Mark
2017-06-02 13:38, Matthew Seaman wrote:
On 2017/06/02 12:30, Gary Palmer wrote:
Assuming that you always get the same /64 assigned to your gateway,
then
the address SLAAC assigns to your server will be constant so long as
you're on the same hardware, since the SLAAC address is generated
from
the network prefix and the MAC address of the NIC. In that case, it
often suffices to update the DNS manually.
Only if
ipv6_privacy="YES"
is not set.
Ah, but ipv6_privacy is intended for use on personal laptops and other
devices where you'ld prefer not to have your MAC address available as a
tracking cookie when acting as a web client.
It's not intended for use on a web server. Even if you do turn it on
IIRC the effect is to add alias IPs on that network interface,
alongside
the standard address that SLAAC would generate anyhow.
Cheers,
Matthew
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