On Tuesday 29 August 2006 00:20, thorsten wrote:
> I even would go one step further, a normal user is not able to
> troubleshoot network problems so why should he pe able to ping?
> chmod 0711 /bin/ping

1. No, actually. For example, I work as a usual user and when a browser 
become too slow I firstly check if I can ping something to ensure the 
problem isn't in the connection.

2. In your example we can just use 0700.

On Tuesday 29 August 2006 00:34, Bruce Dubbs wrote:
> Vladimir A. Pavlov wrote:
> > Second, shouldn't it be 4711 rather than 4755? The read-by-others
> > access to a SUID file is a security hole.
>
> Blocking read access wouldn't hurt anything, but wouldn't gain
> anything either.  Do you care if someone can copy the file? 
> Virtually everything in /bin is 755 and some have the suid bit set
> too.  You are free to remove the read permissions on your system if
> you want.

I mean a user able to read a file can disassemble it and find security 
holes in it.

Nevertheless I understand few people will actually try to hack a system 
in such a way.

-- 
Nothing but perfection
pv
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