On 03/02/2018 05:43 AM, Unman wrote:
On Thu, Mar 01, 2018 at 05:52:48AM -0800, billol...@gmail.com wrote:
On Thursday, March 1, 2018 at 12:08:19 AM UTC-5, Chris Laprise wrote:
On 02/28/2018 08:23 PM, 'awokd' via qubes-users wrote:
BTW, as an example of Qubes-specifics in this issue, on sleep/wake
networkVMs don't process the normal array of events and system states
that bare-metal Linux distros do. At least this was the case for 3.x.
The result was that advocates of the macchanger script method (which
relied on such events and related hooks) recommended that users keep a
watch on the current MAC address and restart sys-net whenever it
reverted (waking from sleep was the most common/blatant example). They
didn't care to address the fact that the waking system was already
broadcasting the original address before the user had a chance to
restart sys-net (and not to mention the unmitigated headache of
restarting/reassigning all the dependant VMs).
Well, to be honest, I haven't kept up with it once I decided it wasn't going to work.
As I remember (and this is back before systemd, and you could still control
everything from the /etc/rc<n>.d files very easily), I put a little script in
/etc/init.d and did the macchanger thing before I allowed the network to connect to
anything. If the network turned off, then it would randomize when it turned on.
I don't remember it reverting, but I may have just not been paying attention
(or have forgotten in the haze of time -- it's amazing to me how quickly one
forgets little sysadmin tricks when one stops doing it all the time). I never
dealt with VMs except for running Windows in Virtualbox, so I am clueless
there... ... though I am getting interested again playing with qubes.
The problem with NM method is that it gives you a fully random MAC
which makes you stand out like a sore thumb. Also, with some NICs, it's
easier to drop NM and use something like wicd, so the macchanger
instructions remain useful.
I could be wrong, but I thought the NM default behaved similar to the
randomization range on Android and Windows.
But if its an issue, NM allows you to specify a bitmask to limit the range.
Chris Laprise, tas...@posteo.net
PGP: BEE2 20C5 356E 764A 73EB 4AB3 1DC4 D106 F07F 1886
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