Re: F19-mailserver & selinux complains

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On Wed, 2013-06-05 at 00:23 -0700, Adam Williamson wrote:
> On Wed, 2013-06-05 at 09:18 +0300, Cristian Sava wrote:
> > On Tue, 2013-06-04 at 08:08 -0700, Adam Williamson wrote:
> > > On Tue, 2013-06-04 at 12:06 +0300, Cristian Sava wrote:
> > > > I am trying to activate selinux for my mailserver.
> > > > It is F19 postfix_courier_amavisd-new_clamav_squirrelmail install in a
> > > > virtual environment. All needed is stock or was packaged on F19
> > > > (rpmbuild -ta ... / rpmbuild -ba ...) and all is working fine (selinux
> > > > disabled). No tar.gz directly installed.
> > > > I am trying to fix things one by one. Any advice is welcome. When
> > > > receiving a message selinux complain (permissive):
> > > > 
> > > > SELinux is preventing /usr/sbin/courierlogger from getattr access on the
> > > > file /var/spool/authdaemon/pid.
> > > > 
> > > > *****  Plugin catchall (100. confidence) suggests
> > > > ***************************
> > > > 
> > > > If you believe that courierlogger should be allowed getattr access on
> > > > the pid file by default.
> > > > Then you should report this as a bug.
> > > 
> > > If I were you, I'd do that.
> > > 
> > > Well no, that's a lie. If I were you I'd stop using Courier and start
> > > using Dovecot, because it's better. From what I've seen, most people who
> > > run IMAP servers made that switch already, which may explain why Courier
> > > has apparently grown an SELinux issue you'd think would have been fixed
> > > already.
> > I will consider your suggestion but this may take time and testing. It
> > is not for today or tomorrow and not all the people will agree with us.
> > Courier is a robust and well working piece in a mail server so it's a
> > much simpler solution to disable or even uninstall selinux (why don't we
> > have an install time option do it).
> > I like very much selinux (when there is a simple way to configure it)
> > but I will not abandon courier just for that and many will agree with
> > me.
> 
> Sure, I didn't mean it that way, I just meant that it's probably worth
> looking at other servers in general. I used Courier for years but
> switched away a couple of years back; dovecot does quite a lot of things
> better.
Yes, you and Daniel are perfectly right but it's a future solution not
the one for now.
Avoiding courier if selinux is enabled is not always an option nor a
complicate setting scheme for selinux. Maybe that's why so many people
advice to disable selinux (not a good thing in my view, selinux is a
must in many situations).
Thank you for your answers.

C. Sava


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