Re: [Tails-dev] [Secure Desktops] Tails' MAC 'leak prevention' question

2016-12-08 Thread intrigeri
Hi, Daniel Kahn Gillmor: > fwiw, i prefer mac address spoofing at the udev layer since it means the > first userspace tool to see the device gets a chance to set the mac > address immediately. Sure, this way of doing things provides better guarantees than a NM-based approach. But I think it will

Re: [Tails-dev] [Secure Desktops] Tails' MAC 'leak prevention' question

2016-09-01 Thread Daniel Kahn Gillmor
On Fri 2016-08-26 14:50:12 -0400, intrigeri wrote: > Since then, NetworkManager gained the ability to randomize MAC > addresses [1]. If we delegate the bulk of the work to it, then this > becomes: > > a) We remove the modules blacklist logic. > b) We set up a boot-time firewall that blocks all

Re: [Tails-dev] [Secure Desktops] Tails' MAC 'leak prevention' question

2016-08-26 Thread intrigeri
Hi, intrigeri: > anonym wrote (22 Dec 2015 16:21:50 GMT) : >> Patrick Schleizer: >>> Wouldn't it be possible, and simpler, to block all networking with >>> iptables to prevent early MAC leaks so kernel module blacklisting could >>> be avoided? > After spending hours hunting down #9012 today, I

Re: [Tails-dev] [Secure Desktops] Tails' MAC 'leak prevention' question

2016-01-10 Thread intrigeri
Hi, [not Cc'ing other mailing-lists because 1. what I'm going to discuss has little to do with the initial request, and is mostly Tails -specific; 2. I don't fancy cross-posting entire discussions. Let's report back to the other lists once we've reached some kind of conclusion here.] anonym

Re: [Tails-dev] [Secure Desktops] Tails' MAC 'leak prevention' question

2015-12-22 Thread anonym
[Sorry for the delay :S] Patrick Schleizer: > I understand Tails' MAC 'leak prevention' [1] [2] as this... Without > 'leak prevention', things would happen like this: > > a) > > 1) system boots > 2) kernel module loaded > 3) MAC leaked > 4) macchanger started > 5) MAC changed > 6)

Re: [Tails-dev] [Secure Desktops] Tails' MAC 'leak prevention' question

2015-11-25 Thread Marek Marczykowski-Górecki
On Wed, Nov 25, 2015 at 11:09:32PM +, Patrick Schleizer wrote: > I understand Tails' MAC 'leak prevention' [1] [2] as this... Without > 'leak prevention', things would happen like this: > > a) > > 1) system boots > 2) kernel module loaded > 3) MAC leaked > 4) macchanger started > 5) MAC