Re: [ilugd] Linux Security: What it is ?

2006-03-28 Thread Cian
On 3/28/06, "आशीष शुक्ला \"Wah Java !!\"" <[EMAIL PROTECTED]> wrote:
> And BTW, what are conventions for, if they're not fit in every situations,
> that's why standards are there.
>
There are many, many things it's worth fighting for standardisation
on. The username 'root' is such an ingrained Unix convention (yes, a
convention, not a standard) that it really isn't one of them.

I suggest you spend your headspace, your love of precision, and our
mail-reading time on something more important. Even in the area of
Linux security I have no doubt there are hundreds of more meaningful
and genuine issues ...

Cian
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Re: [ilugd] [ILUGD-Dev] Linux Security: What it is ?

2006-03-26 Thread Cian
On 3/26/06, "आशीष शुक्ला \"Wah Java !!\"" <[EMAIL PROTECTED]> wrote:
> Since it is not precisely defined (if defined somewhere, I don't know) that
> super user has to be defined as "root" in all UNIX systems, then why assume
> presence of "root".
>
You are thinking too hard about this. It really doesn't matter. 'root'
is a convention adopted by Unix systems since long ago. It is safe to
assume the presence of root. If it's missing, the admin is doing
something funny and should expect it to bite him and his users in the
ass.

Cian
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Re: [ilugd] [ILUGD-Dev] Linux Security: What it is ?

2006-03-25 Thread Cian
On 3/25/06, "आशीष शुक्ला \"Wah Java !!\"" <[EMAIL PROTECTED]> wrote:
> Won't you consider it a bad programming practise.
>
No. There's always a 'root' user on a Unix system, unless someone goes
out of their way to change that. If they want to do that then they can
either 'su ' or hack su. Whatever. It's really not a big
deal.

Cian
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Re: [ilugd] [ILUGD-Dev] Linux Security: What it is ?

2006-03-25 Thread Cian
On 3/25/06, "आशीष शुक्ला \"Wah Java !!\"" <[EMAIL PROTECTED]> wrote:
> Now, I'm unable to use "su" program to logon to uid 0 account
> because it says there is no user named "root". So, my question is, is it a bug
> in "su" program that instead of looking for "root" it should check for user 
> name
> of uid 0, or I'm wrong ?
>
No, it's not a bug. 'root' is just the username su looks for by
default. Read the manpage.

You can have as many usernames with uid 0 as you like. Why you'd want
many, I don't know. :o) However FreeBSD, for example, ships with two
uid 0 users by default - root and toor. toor just has a bourne-again
shell rather than plain sh; basically a 'utility' user so you can get
an easier-to-use bash environment while leaving root with no-surprises
(?) sh.

The real user identifier on a Unix system is the uid. The username is
just an alias for it, really, for us name-obsessed humans. Even where
the superuser is concerned.

Cian
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Re: [ilugd] disable loging for sudo users

2006-03-12 Thread Cian
On 11/03/06, Gora Mohanty <[EMAIL PROTECTED]> wrote:
>   You should probably also reconsider turning off logging of commands
> run with sudo. With that, if something does go wrong, there is no way
> to trace what happened. Rotating logs, or cleaning them out semi-
> automatically is a better option, in my opinion.
>
Agreed. One of the main strengths of having administration commands
run via sudo (and discouraging, for example, 'sudo sh' even by those
who have ALL privileges) is having an audit trail for superuser
access. Why wouldn't you want this? As for rotation, sudo won't
generate a lot of log messages under normal use. Perhaps the only
reason I can think of for doing this is to cover embarassment - I
mean, if you mistype 20% of all your commands ... ;o)

Cian

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Re: [ilugd] Meeting to discuss implications of the open culture of the Internet

2006-02-18 Thread Cian
On 18/02/06, Gora Mohanty <[EMAIL PROTECTED]> wrote:
> At the moment, we are interested in obtaining
> contact information for a few more panelists, and in
> any links to news stories, blogs, etc., in this area.
>
This is a document I helped prepare back in 2004, during the Irish
campaign against the introduction of electronic voting there. The
latter half describes of how we felt technology helped us to
participate in an openly-run political campaign, and how it might be
used in other organisations; it sounds like it might be relevant.

http://evoting.cs.may.ie/Documents/icte-demcom.pdf

Cian

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