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Date:      Thu, 10 Oct 2002 12:42:29 GMT
From:      Socketd <db@traceroute.dk>
To:        Giorgos Keramidas <keramida@ceid.upatras.gr>, freebsd-questions@freebsd.org
Subject:   Re: Security questions
Message-ID:  <20021010.12422900.3222565378@rafter.>
In-Reply-To: <20021010102838.GN21391@hades.hell.gr>
References:  <20021009.22451000.4017525480@rafter.> <20021010023701.GJ21391@hades.hell.gr> <20021010.10135300.3745751216@rafter.> <20021010102838.GN21391@hades.hell.gr>

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>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 10/10/02, 12:28:38 PM, Giorgos Keramidas <keramida@ceid.upatras.gr>=20
wrote regarding Re: Security questions:

> > > Another reason is obvious if you look at the owner and permissions=
 of
> > > the system log files:
> >
> > > giorgos@patata[05:33]/home/giorgos$ ls -ld /var/log/messages
> > > -rw-r--r--  1 root  wheel  620908 Oct 10 05:33 /var/log/messages
> >
> > Yes, but they could be changed to user: syslog

> No they couldn't.  syslog is not a superuser, but a normal user.  The
> access controls imposed on users attempting to access the files owned
> by a root user are a bit more strict than those that apply to the rest=

> of the users, right now.  I have to admit, it's not a bad idea to have=

> log files owned by a syslog:syslog user, and selectively allow read,
> write or modification access through access lists.  But that's
> something we ought to reconsider when ACLs are widely available on
> FreeBSD, imho.

I am not the biggest fan of ACL's and I think we can solve this problem =

with the tools we have now. We have /var and different daemons and the=20
kernel have to write messages to different files in that "dir". The=20
interface to /var/ should be syslogd, meaning that all files in that=20
"dir" should be owned by syslog. I can't see the need for ACL to make=20
syslogd a non-root daemon.

Br
socketd

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