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2020-10-31 Thread 'fargubz' via qubes-users
How do you split a 4k monitor into 4 virtual monitors and or work spaces?

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[qubes-users] Re: Fw: qubes arch template

2020-10-31 Thread Frédéric Pierret



Le 10/31/20 à 6:15 PM, fargubz a écrit :

I have a large 4k monitor. How do I split the screen into 4 virtual screens and 
or work spaces?

‐‐‐ Original Message ‐‐‐
On Thursday, July 16, 2020 3:16 PM, Frédéric Pierret 
 wrote:


On 2020-07-16 16:51, fargubz wrote:


Hi Frederic,
Having the https://github.com/QubesOS/qubes-issues/issues/5503 issue.


Hi, please don't ask directly to any member of the Qubes OS project (including 
me :)). Ask to the list directly for which I CC it.



Hi,

I've already asked you to don't request help directly please. I've forwarded 
your previous email to the appropriate list. Please see: 
https://www.qubes-os.org/support/

Regards.

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Re: [qubes-users] [PoC] Qubes SleepKeeper - auto shutdown your Qubes if no password entered after wake up

2020-10-31 Thread Andrew David Wong

On 10/30/20 5:51 AM, evado...@gmail.com wrote:

interesting but threat model unclear. If the attacker can force you to
enter one password after suspend, why would he not force you to enter
LUKS and user password 5 minutes later?


There are a lot of more attack vectors when system is booted and only
protected by xscreensaver.
The attacker can use some hardware backdoors, xscreensaver
bugs/backdoors/kill it to receive access: dump your memory on hardware
level, receive access to memory from vulnerable hardware, guess screensaver
password etc.

If the system will automatically shutdown then there is only one attack
vector: LUKS password



There's no disagreement that shut down is more secure than suspended, 
but the devil is in the details. How exactly is it supposed to work?


1. Attacker forces you to wake up computer (e.g., open laptop lid).
2. Attacker forces you to enter password.
3. You enter incorrect password?
4. Attacker tells you to enter correct password this time?
5. Qubes shuts down because it's been too long?

Why not just have an alternate passphrase that, when entered, shuts down 
the PC (or, as you suggest, wipes the LUKS header)? Why a timer?


Perhaps the alternate passphrase, when entered, also sends out an SOS 
message?




пятница, 30 октября 2020 г. в 07:54:14 UTC, haa...@web.de:


On 10/29/20 11:06 PM, evado...@gmail.com wrote:

Proof of Concept.

github.com/evadogstar/qubes-sleepkeeper

Qubes-Sleepkeeper protects you from physical attack when the attacker
force you to enter the password of your Qubes after it wakeup from sleep
or from password guessing after wakeup. The attacker have very limited
time to do so or Qubes will shutdown automaticaly.


Interesting but threat model unclear. If the attacker can force you to
enter one password after suspend, why would he not force you to enter
LUKS and user password 5 minutes later? Please explain. Rather an evil
maid "attempt detection" (not protection) by "laptop is down instead of
sleeping"? I think it really could help as additional data protection in
case of normal, criminal theft...



--
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org

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[qubes-users] "Pane is dead" 4.0.3 Intel Nuc

2020-10-31 Thread 'W.' via qubes-users
"Pane is dead" is result trying to install Qubes 4.0.3. Different solutions 
have not worked on Nuc. Some said that Nuc's BIOS settings need to be changed. 
Not know what is needed to change.
"X startup failed, aborting installation
X startup failed, aborting installation
The installation cannot continue and the system will be rebooted Press ENTER to 
continue

Pane is dead"
Have booted in both UEFI and Legacy, nothing.
Thank you.

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