On 12/15/2016 01:58 PM, Reg Tiangha wrote:
On 12/15/2016 11:50 AM, qubenix wrote:
I've used the docs[1] to randomize my MAC on sys-net with debian-9 as
it's template. At first everything was working normal, but I've noticed
now that my MAC is only randomized until I connect to a network. At that
point it switches back to the original MAC. Anyone else experiencing this?

Second issue is that it seems my eth0 is never randomized. Any users
with the same experience?

[1] https://www.qubes-os.org/doc/anonymizing-your-mac-address/

I've had that happen ever since I tried it so I just assumed it was a
bug or a hardware issue that doesn't allow my wifi adapter to change. If
there's a workaround or an extra package to install to make it work
properly, I'd love to hear it. I get the same issue with NM on Debian 9
or Fedora 25, as well as the macchanger method. It does scramble the MAC
address when it's not connected to an access point, but reverts to the
original one once it connects to a network.


The main issue here is that the correct config keyword "cloned-mac-address" reverted to an incorrect (non-)keyword "assigned-mac-address" that was used in an earlier version (see https://github.com/tasket/qubes-doc/commit/27dcc6f142d627293d7788cbd5610b4f6b4f2df5 ).

Somehow this got changed back to the original, mistaken keyword here: https://github.com/QubesOS/qubes-doc/commit/a9a82bedf092eec13e774dc50cbc6f83f0ef2182

The "assigned-mac-address" is a property for NM's dbus interface ...not in the config parser where "cloned-mac-address" is used (see gnome.org link below).

--

With that said, there is an actual NM bug where it ignores randomization settings when connecting to an AP. This bug bit me and the workaround was to use a newly-created netVM instead of existing one so that old NM connection data was not present in the new configuration. That's why the instructions say to create a new netVM.

https://mail.gnome.org/archives/networkmanager-list/2016-October/msg00019.html


Chris

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