Re: Untrusted software and security click-through warnings

2007-10-16 Thread Ian Jackson
Alexander Sack writes (Re: Untrusted software and security click-through 
warnings):
 how about using a captcha-like mechanism to trigger this decisionmaking
 process?

I assume this is some kind of joke but I'm afraid I don't get it.

Ian.

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Re: Untrusted software and security click-through warnings

2007-10-16 Thread Ian Jackson
Alexander Sack writes (Re: Untrusted software and security click-through 
warnings):
 I completely agree. My point is: if captchas don't help then why would
 pasting commands from the net help to get the user think about the
 risk their actions imply?

The point is pasting random commands from the net is inherently more
scary than saying `yes' a few times.

Although we cannot save all of our users, we can save that proportion
of them who are likely to hesitate when a website says something like
please type `wget thingy | sudo bash'.

If you have a concrete suggestion for an approach which is likely to
save _in practice_ a greater proportion of our users, please do
suggest it.

 My opinion is clearly that we should come up with a decent and
 standardized way to add third party applications that we can actually
 _control_ and design in a way that at least gives our users a chance
 to educate themselves before taking any action.

Absolutely.  If we can't provide a sensible way for a users to
accomplish their task, we train them to accomplish it in an insane
way.

So the removal of dangerous features which we have currently
ineffectually protected by yes, yes, yes style confirmations should
go hand-in-hand with the provision of sensible ways of achieving the
same objectives.

For tasks which involve third-party software this involves some kind
of accreditation/approval process.

 If you just ignore the demand to install third party applications from
 third party repositories you will likely train our user-base to just
 google the internet and follow arbitrary instructions they find - which
 can't be what we want.

Absolutely.

Ian.

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Re: Untrusted software and security click-through warnings

2007-10-15 Thread Ian Jackson
João Pinto writes (Re: Untrusted software and security click-through 
warnings):
   2 - fake software, or companion software
...
 Case 2 can only be addressed by educating people on how to use the
 internet on a safely manner, again, typing random commands from an
 untrusted web site is a major security risk for any OS, and it is a
 very common practice for Linux users in particular

At the moment a user can unwittingly compromise their system just by
clicking on one thing on a website and then saying `yes' a few times.

What I'm suggesting is that if they want to do that they should be
required to do something a little more complicated which is more
likely to trigger an actual decisionmaking process.  Like, for
example, typing random commands they found on a webpage.

I don't know if you've seen many naive users in front of computers but
websites that ask them to type runes in when the user was trying to
get some other work done will generally cause the user to smell a rat,
in a way that something which requires them to say `next' four times
doesn't at all.

Ian.

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Re: Using standardized SI prefixes

2007-06-12 Thread Ian Jackson
shirish writes (Using standardized SI prefixes):
   Please look at http://en.wikipedia.org/wiki/Binary_prefix .

Urgh, these things are ugly and an abomination.  We should avoid them.

Ian.

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