To turn off privacy extensions for ipv6 in recent versions of Debian and Ubuntu which turn them on by default you need
net.ipv6.conf.all.use_tempaddr=0
net.ipv6.conf.default.use_tempaddr=0
in /etc/sysctl.d/local.conf
and then reboot.
To turn off privacy extensions for ipv6 in recent versions of Debian and Ubuntu which turn them on by default you need
net.ipv6.conf.all.use_tempaddr=0
net.ipv6.conf.default.use_tempaddr=0
in /etc/sysctl.d/local.conf
and then reboot.