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Date:      Tue, 29 Jan 2002 11:02:03 -0600
From:      Rich Neswold <neswold@fnal.gov>
To:        Patrick Greenwell <patrick@stealthgeeks.net>
Cc:        stable@FreeBSD.ORG
Subject:   Re: Firewall config non-intuitiveness
Message-ID:  <20020129110203.A1356@spiv.fnal.gov>
In-Reply-To: <20020124201411.A39351-100000@rockstar.stealthgeeks.net>; from patrick@stealthgeeks.net on Thu, Jan 24, 2002 at 08:21:50PM -0800
References:  <20020124201411.A39351-100000@rockstar.stealthgeeks.net>

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If memory serves, didn't Patrick Greenwell say:
>=20
> I recently got bit by this: I have firewall options configured into my
> kernel, and made the mistake...

Since we're talking about the firewall... In my local source, I've patched
the firewall code to make the kernel variable "net.inet.ip.fw.enable"
secure (which means it can't change if the kernel secure level is raised.)

I run my firewall system at secure level 3 (which prevent rules from being
changed). It was useful to be able to shut off the firewall at level 3 to
tweak the rules. But now that they've stabilized, I like not being able to
bring down the firewall.

Getting back on topic: Maybe "firewall_enable=3Dno" can set
net.inet.ip.fw.enable to 0.  :-)

--=20
  Rich
=20
 ------------------------------------------------------------------------
  Richard Neswold, Beams Division / Controls Dept |     neswold@fnal.gov
  Fermilab, PO Box 500, MS 360, Batavia, IL 60510 | voice 1.630.840.3454
                                                  |   fax 1.630.840.3093

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