Am Mittwoch, 11. Januar 2006 20:01 schrieb Ralf S. Engelschall:
> On Wed, Jan 11, 2006, Bernhard Reiter wrote:
> > Am Mittwoch, 11. Januar 2006 15:34 schrieb Bernhard Reiter:
> > > By default the /openpkgdir/var/postfix/log/postfix.log is word
> > > readable. This gives users of the system
> > > the possibility to do some sort of email traffic analysis
> > > for email flowing through the system.

> > >             path="@l_prefix@/var/postfix/log/postfix.log",
> > >             perm=0644, monitor=3600

> > > I suggest to change this to 
> > perm=0640

> Hmmm... I see your point and from a paranoid security point of view the
> file should be not world-readable. 

We found out, because accidently some Kolab Server were logging passwords
which made it a real world critical problem.

> But keep in mind that from a paranoid 
> point of view even the output of commands like ps(1), df(1), etc are a
> problem, of course.

The problem with a complete email log is significantly bigger.

> OTOH this is a general issue and not really Postfix related. So we
> should raise the general question whether logfiles in OpenPKG should be
> world-readable or not? What are the opinions?

I would say that it depend a bit on the logfiles.

Bernhard

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