Re: FESCO request to revert password confirmation change in F22

2015-03-15 Thread Nico Kadel-Garcia
On Mon, Mar 9, 2015 at 6:53 PM, Björn Persson Bjorn@rombobjörn.se wrote: Nico Kadel-Garcia wrote: I'm the guy that brought up the XKCD comic. I did it first. ;-) The classic storage is the Post-it note on the secretary's desk, but I see a lot of people who should know better writing them

Re: FESCO request to revert password confirmation change in F22

2015-03-10 Thread Björn Persson
Kevin Kofler wrote: The user surely knows better what a good password is than the software does. If the user picks a crappy password, there's probably a good reason. There are two possible reasons why you would say that. Either you haven't even looked at the Ars Technica articles that have

Re: FESCO request to revert password confirmation change in F22

2015-03-10 Thread Mike Pinkerton
On 10 Mar 2015, at 07:00, Matěj Cepl wrote: On 2015-03-10, 10:15 GMT, Björn Persson wrote: The user surely knows better what a good password is than the software does. If the user picks a crappy password, there's probably a good reason. There are two possible reasons why you would say

Re: FESCO request to revert password confirmation change in F22

2015-03-10 Thread Matěj Cepl
On 2015-03-10, 10:15 GMT, Björn Persson wrote: The user surely knows better what a good password is than the software does. If the user picks a crappy password, there's probably a good reason. There are two possible reasons why you would say that. Either you haven't even looked at the Ars

Re: FESCO request to revert password confirmation change in F22

2015-03-10 Thread Chris Murphy
On Tue, Mar 10, 2015 at 5:38 PM, Björn Persson Bjorn@rombobjörn.se wrote: In the hope of clearing up any misunderstandings I'll make these statements: Thanks for the clarifications. My own clarification is that what I wrote is directed at large, not only to you personally. Usage of you was

Re: FESCO request to revert password confirmation change in F22

2015-03-10 Thread Chris Murphy
On Tue, Mar 10, 2015 at 4:15 AM, Björn Persson Bjorn@rombobjörn.se wrote: Kevin Kofler wrote: The user surely knows better what a good password is than the software does. If the user picks a crappy password, there's probably a good reason. There are two possible reasons why you would say

Re: FESCO request to revert password confirmation change in F22

2015-03-10 Thread Chris Murphy
On Tue, Mar 10, 2015 at 2:16 PM, Chris Murphy li...@colorremedies.com wrote: So why not a 25 character limit? That's maybe confusing. Why not a 25 character minimum? -- Chris Murphy -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel

Re: FESCO request to revert password confirmation change in F22

2015-03-10 Thread Björn Persson
Björn Persson wrote: Kevin Kofler wrote: The user surely knows better what a good password is than the software does. If the user picks a crappy password, there's probably a good reason. There are two possible reasons why you would say that. Either you haven't even looked at the Ars

Re: FESCO request to revert password confirmation change in F22

2015-03-09 Thread Dan Winship
On 03/06/2015 06:55 PM, Michael Catanzaro wrote: Well... yes, I suppose if you've left your computer on and locked, and the attacker wants to make sure you do not notice the reboot, or wants to get a RAM dump that would be lost when shut down (e.g. for my gnome-keyring passwords), then there

Re: FESCO request to revert password confirmation change in F22

2015-03-09 Thread Kevin Kofler
Mike Pinkerton wrote: I guess one response would be to give up any pretense of password quality checking, although I am not advocating that. Why not? The user surely knows better what a good password is than the software does. If the user picks a crappy password, there's probably a good

Re: FESCO request to revert password confirmation change in F22

2015-03-09 Thread Björn Persson
Nico Kadel-Garcia wrote: I'm the guy that brought up the XKCD comic. I did it first. ;-) The classic storage is the Post-it note on the secretary's desk, but I see a lot of people who should know better writing them into source control systems that everyone in the company can read. Or even

Re: FESCO request to revert password confirmation change in F22

2015-03-09 Thread Chris Murphy
On Mon, Mar 9, 2015 at 4:53 PM, Björn Persson Bjorn@rombobjörn.se wrote: Nico Kadel-Garcia wrote: I'm the guy that brought up the XKCD comic. I did it first. ;-) Sorry, I think it was adamw who referenced it on anaconda-devel@ over a month ago when this topic first came up. :-D And I

Re: FESCO request to revert password confirmation change in F22

2015-03-09 Thread DJ Delorie
Why not? The user surely knows better what a good password is than the software does. If the user picks a crappy password, there's probably a good reason. You have an alarmingly naive understanding of our user base... (not that *I* want to give up control of my passwords, but I'm not an

Re: FESCO request to revert password confirmation change in F22

2015-03-08 Thread Reindl Harald
Am 08.03.2015 um 17:24 schrieb Nico Kadel-Garcia: There's also a counterproductive effect. Passwords that are enforced, by policy, to be nonsensical gibberish tend to be written down, because no one can remember them. And because no one can remember them, they're written down in easily accessed

Re: FESCO request to revert password confirmation change in F22

2015-03-08 Thread Stephen John Smoogen
On 8 March 2015 at 08:41, Mike Pinkerton pseli...@mindspring.com wrote: Ok, to bring this back around to where we started -- password quality checkers on Fedora: 1. By positing a strategic attacker, we have now reduced the time we expect it to take him/her to crack our 29 character

Re: FESCO request to revert password confirmation change in F22

2015-03-08 Thread Björn Persson
Mike Pinkerton wrote: On 7 Mar 2015, at 10:41, Björn Persson wrote: Mike Pinkerton wrote: On 6 Mar 2015, at 23:49, Adam Williamson wrote: On Fri, 2015-03-06 at 23:09 +0100, Björn Persson wrote: I hope https://xkcd.com/936/ will be among the inputs to that discussion. I'm fond of

Re: FESCO request to revert password confirmation change in F22

2015-03-08 Thread Björn Persson
Mike Pinkerton wrote: I was responding to Björn Persson's suggestion that, in discussions of password quality, correcthorsebatterystaple would be an example of a safe password. Safe_r_. Security in passphrases isn't a binary thing. XKCD 936 demonstrates that correct horse battery staple is

Re: FESCO request to revert password confirmation change in F22

2015-03-08 Thread Mike Pinkerton
On 7 Mar 2015, at 20:35, Stephen John Smoogen wrote: On 7 March 2015 at 15:33, Mike Pinkerton pseli...@mindspring.com wrote: On 7 Mar 2015, at 15:52, Stephen John Smoogen wrote: On 7 March 2015 at 11:53, Mike Pinkerton pseli...@mindspring.com wrote: On 7 Mar 2015, at 10:41, Björn

Re: FESCO request to revert password confirmation change in F22

2015-03-08 Thread Nico Kadel-Garcia
On Sun, Mar 8, 2015 at 8:44 AM, Björn Persson Bjorn@rombobjörn.se wrote: Mike Pinkerton wrote: I was responding to Björn Persson's suggestion that, in discussions of password quality, correcthorsebatterystaple would be an example of a safe password. Safe_r_. Security in passphrases isn't a

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Björn Persson
Michael Catanzaro wrote: On Fri, 2015-03-06 at 19:25 -0500, Miloslav Trmač wrote: The way we deploy LUKS, a single password guess takes one second on a comparable hardware, so the fuzz factor is not actually as large as it might seem. Wow, I had no clue it was that good. OK, so making

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Björn Persson
Mike Pinkerton wrote: On 6 Mar 2015, at 23:49, Adam Williamson wrote: On Fri, 2015-03-06 at 23:09 +0100, Björn Persson wrote: I hope https://xkcd.com/936/will be among the inputs to that discussion. I'm fond of noting that pwquality has not yet blacklisted any variant of

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Mike Pinkerton
On 7 Mar 2015, at 10:41, Björn Persson wrote: Mike Pinkerton wrote: On 6 Mar 2015, at 23:49, Adam Williamson wrote: On Fri, 2015-03-06 at 23:09 +0100, Björn Persson wrote: I hope https://xkcd.com/936/will be among the inputs to that discussion. I'm fond of noting that pwquality has not

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Stephen John Smoogen
On 6 March 2015 at 22:58, Mike Pinkerton pseli...@mindspring.com wrote: On 6 Mar 2015, at 23:49, Adam Williamson wrote: On Fri, 2015-03-06 at 23:09 +0100, Björn Persson wrote: I hope https://xkcd.com/936/will be among the inputs to that discussion. I'm fond of noting that pwquality

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Nico Kadel-Garcia
On Fri, Mar 6, 2015 at 2:00 PM, Kevin Fenzi ke...@scrye.com wrote: On Fri, 6 Mar 2015 10:52:34 -0500 David Cantrell dcantr...@redhat.com wrote: From what I'm reading in the meeting logs and the ticket comments, it appears the revert decision is basically a temporary solution and a more

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Mike Pinkerton
On 7 Mar 2015, at 15:52, Stephen John Smoogen wrote: On 7 March 2015 at 11:53, Mike Pinkerton pseli...@mindspring.com wrote: On 7 Mar 2015, at 10:41, Björn Persson wrote: Mike Pinkerton wrote: On 6 Mar 2015, at 23:49, Adam Williamson wrote: On Fri, 2015-03-06 at 23:09 +0100, Björn

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Stephen John Smoogen
On 7 March 2015 at 11:53, Mike Pinkerton pseli...@mindspring.com wrote: On 7 Mar 2015, at 10:41, Björn Persson wrote: Mike Pinkerton wrote: On 6 Mar 2015, at 23:49, Adam Williamson wrote: On Fri, 2015-03-06 at 23:09 +0100, Björn Persson wrote: I hope https://xkcd.com/936/will be among

Re: FESCO request to revert password confirmation change in F22

2015-03-07 Thread Stephen John Smoogen
On 7 March 2015 at 15:33, Mike Pinkerton pseli...@mindspring.com wrote: On 7 Mar 2015, at 15:52, Stephen John Smoogen wrote: On 7 March 2015 at 11:53, Mike Pinkerton pseli...@mindspring.com wrote: On 7 Mar 2015, at 10:41, Björn Persson wrote: Mike Pinkerton wrote: On 6 Mar 2015, at

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Michael Catanzaro
On Fri, 2015-03-06 at 19:25 -0500, Miloslav Trmač wrote: The way we deploy LUKS, a single password guess takes one second on a comparable hardware, so the fuzz factor is not actually as large as it might seem. Wow, I had no clue it was that good. OK, so making one guess at the user account

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Miloslav Trmač
On Fri, 2015-03-06 at 12:00 -0700, Kevin Fenzi wrote: * The workstation folks think this change could drive away some of their potential users for not much gain. In their case, sshd is not enabled/running and additional security for a device that sits in your home isn't worth the

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Michael Catanzaro
Hi! On Fri, 2015-03-06 at 23:01 +0100, Björn Persson wrote: or if the attacker snuck into your room when you left it to fetch some coffee, and needs to unlock your console, implant a backdoor and sneak back out before you return, or otherwise can't reboot your computer because you would

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Miloslav Trmač
Hello, On Fri, Mar 06, 2015 at 09:43:33AM -0500, Adam Jackson wrote: As resolved by FESCO in our meeting on 4 March 2015, FESCO requests that anaconda revert a password behaviour change in the UI from F22, restoring the double-click to confirm weak password behaviour from F21 and earlier.

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Michael Catanzaro
On Fri, 2015-03-06 at 19:35 -0500, Miloslav Trmač wrote: There is another very important case where this falls down: the computer is enrolled into AD/IPA and the password is used throughout the organization. Just looking at a local machine does not necessarily tell you what the needed

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Miloslav Trmač
I have no clue why VNC passwords are limited/truncated to eight characters, but it seems like that limitation makes the protocol not worth supporting at all, let alone worth promoting in System Settings. The only VNC authentication mechanism standardized in RFC 6143 uses the password as a

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Miloslav Trmač
Hello, On Fri, 2015-03-06 at 12:00 -0700, Kevin Fenzi wrote: * The workstation folks think this change could drive away some of their potential users for not much gain. In their case, sshd is not enabled/running and additional security for a device that sits in your home isn't worth

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Stephen John Smoogen
On 6 March 2015 at 19:13, Michael Catanzaro mcatanz...@gnome.org wrote: On Fri, 2015-03-06 at 19:35 -0500, Miloslav Trmač wrote: Eh, well by my logic they are both so closely-related that it's nonsense to treat them differently... but that comment was more a wishful somebody please fix VNC

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Kevin Kofler
David Cantrell wrote: From what I'm reading in the meeting logs and the ticket comments, it appears the revert decision is basically a temporary solution and a more formal security policy will be discussed later. We had technical arguments in favor of the change originally, but I have yet to

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Adam Jackson
On Fri, 2015-03-06 at 10:52 -0500, David Cantrell wrote: I wish a formal distribution and/or per-variant security policy would come from FESCo (or a committee directed by FESCo) so we could resolve the concerns now and going forward. I don't see the revert decision as being a good step in

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread David Cantrell
On Fri, Mar 06, 2015 at 09:43:33AM -0500, Adam Jackson wrote: As resolved by FESCO in our meeting on 4 March 2015, FESCO requests that anaconda revert a password behaviour change in the UI from F22, restoring the double-click to confirm weak password behaviour from F21 and earlier. From what

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Kevin Fenzi
On Fri, 6 Mar 2015 10:52:34 -0500 David Cantrell dcantr...@redhat.com wrote: From what I'm reading in the meeting logs and the ticket comments, it appears the revert decision is basically a temporary solution and a more formal security policy will be discussed later. We had technical

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Michael Catanzaro
On Fri, 2015-03-06 at 12:00 -0700, Kevin Fenzi wrote: * The workstation folks think this change could drive away some of their potential users for not much gain. In their case, sshd is not enabled/running and additional security for a device that sits in your home isn't worth the

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Mike Chambers
On Fri, 2015-03-06 at 15:14 -0600, Michael Catanzaro wrote: On Fri, 2015-03-06 at 12:00 -0700, Kevin Fenzi wrote: * The workstation folks think this change could drive away some of their potential users for not much gain. In their case, sshd is not enabled/running and additional

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Adam Williamson
On Fri, 2015-03-06 at 23:09 +0100, Björn Persson wrote: Adam Jackson wrote: FESCO is prepared to work with anaconda and other stakeholders to define security models for the various Fedora products. By clarifying our needs we hope to avoid this kind of contention in the future.

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Mike Pinkerton
On 6 Mar 2015, at 23:49, Adam Williamson wrote: On Fri, 2015-03-06 at 23:09 +0100, Björn Persson wrote: I hope https://xkcd.com/936/will be among the inputs to that discussion. I'm fond of noting that pwquality has not yet blacklisted any variant of correcthorsebatterystaple. I've been

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Björn Persson
Michael Catanzaro wrote: If the attacker is unskilled and doesn't know how to boot a live image, or if the attacker snuck into your room when you left it to fetch some coffee, and needs to unlock your console, implant a backdoor and sneak back out before you return, or otherwise can't reboot

Re: FESCO request to revert password confirmation change in F22

2015-03-06 Thread Björn Persson
Adam Jackson wrote: FESCO is prepared to work with anaconda and other stakeholders to define security models for the various Fedora products. By clarifying our needs we hope to avoid this kind of contention in the future. The discussion for this might as well start now -or- at