[Bug 1174418] Re: Privacy Extensions are set by default on Ubuntu 13.04, but no temporary address will be generate

[Graeme Hewson]

On another box, not the one mentioned above with the fresh install, I'm
not using Network Manager, but configuration under /etc/network.

I didn't have an iface inet6 stanza in /etc/network/interfaces when
running with Kubuntu 12.10, but global temporary addresses were created;
after upgrading to 13.04 they were not. Now, after adding:

iface eth0 inet6 auto
privext 2

to the config file, again a randomised, temporary address is created
(and I assume after 24 hours another will be created, as before).

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Title:
  Privacy Extensions are set by default on Ubuntu 13.04, but no
  temporary address will be generate

Status in “procps” package in Ubuntu:
  New

Bug description:
  Description: Ubuntu 13.04
  Release: 13.04

  Privacy Extensions are set by default on Ubuntu 13.04, but no
  temporary address will be generate.

  In sysctl (by default):

  net.ipv6.conf.all.use_tempaddr = 2

  --> that means: create and prefer privacy addresses and use them over
  the normal addresses.

  If i added the same line "net.ipv6.conf.all.use_tempaddr = 2" to the
  file /etc/sysctl.conf, everythings works fine after a restart. The
  problem is, that the parameter "2" is set by default (results shown
  by: "sysctl -a"), but don't work. In Ubuntu 12.04/12.10 this problem
  don't appears.

  Thanks for reading this. I love Ubuntu :)!

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