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Date:      Tue, 10 Nov 1998 10:16:23 -0800
From:      "Jan B. Koum " <jkb@best.com>
To:        Keith Stevenson <k.stevenson@louisville.edu>, freebsd-security@FreeBSD.ORG
Subject:   Re: chflags on log files question
Message-ID:  <19981110101623.A27769@best.com>
In-Reply-To: <19981110084411.B13216@homer.louisville.edu>; from Keith Stevenson on Tue, Nov 10, 1998 at 08:44:11AM -0500
References:  <Pine.BSF.4.02.9811100729220.14486-100000@orion.webspan.net> <19981110084411.B13216@homer.louisville.edu>

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On Tue, Nov 10, 1998 at 08:44:11AM -0500, Keith Stevenson <k.stevenson@louisville.edu> wrote:
> On Tue, Nov 10, 1998 at 07:32:28AM -0500, Open Systems Networking wrote:
> > 
> > Ok I setup a firewall box running with secure level 3.
> > And added the following flags to /var/log files, uappnd and sappnd.
> > This should allow syslog to continue to write to the files correct?
> > 
> > For instance:
> > 
> > -rw-r--r--  1 root  bin    uappnd,sappnd  6581 Nov  3 01:15 sec-log
> > 
> > Is where my sshd connections are logged, although why it hasn't logged
> > any since the 3rd im still working on. But the flags should still allow
> > syslog to write to them correct?
> 
> I'm not sure that both flags are necessary.  It is my understanding that the
> uappnd flag makes the file append only for non-root users (root can still
> manipulate the file), while the sappnd flag stops even root from doing anything
> other than appends.
> 
> I'm running at securelevel=2 on several of my servers.  I've flagged several
> log files (lastlog, messages, wtmp) as schg.  With the exception of lastlog, 
> all of these files appear to be updated correctly.
> 

	With securelevel of 3 one can not change ipfw rules. Which is why
	that is a better level for firewall then 2 :)

-- Yan

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