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Date:      Mon, 19 Mar 2007 15:12:52 -0500
From:      David Gilbert <dgilbert@dclg.ca>
To:        Doug Barton <dougb@FreeBSD.org>
Cc:        freebsd-net@freebsd.org, Mark Andrews <Mark_Andrews@isc.org>, Kian Mohageri <kian.mohageri@gmail.com>, freebsd-rc@freebsd.org
Subject:   Re: rc.order wrong (ipfw)
Message-ID:  <17918.61124.353668.804988@canoe.dclg.ca>
In-Reply-To: <45FE13E5.9060902@FreeBSD.org>
References:  <200703171210.l2HCAD63046801@drugs.dv.isc.org> <45FC7EAE.803@FreeBSD.org> <45FC90CE.3020605@gmail.com> <45FDD5C3.1070305@FreeBSD.org> <45FDF284.3040008@gmail.com> <45FE13E5.9060902@FreeBSD.org>

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>>>>> "Doug" == Doug Barton <dougb@FreeBSD.org> writes:

Doug> Kian Mohageri wrote:
>> I agree VERY MUCH with this sort of approach.  It would be a much
>> cleaner solution than completely separate handling of all of these
>> different problems.  I'm trying to get an idea of what all of the
>> major problems with the current order are, and these are the ones
>> I'm aware of:
>> 
>> - ipfw blocks by default (names unresolvable, rtsol breaks) -
>> ipf/pf pass by default (services are unprotected)
>> 
>> I think a firewall_boot script (similar to what you've proposed)
>> could potentially solve all of these problems.

Doug> exception, not the rule.  Furthermore (and I'm betraying a
Doug> prejudice here) I think that firewall rules that rely on name
Doug> resolution are absolutely nuts, and I say that with many years
Doug> of experience as a professional DNS and system administrator.

I think you're misreading the above.  The poster is saying that
because ipfw's default behaviour is block, loading it at the wrong
time can break other startup items because they require name
resolution or the sending of packets (rtsol).

Dave.

-- 
============================================================================
|David Gilbert, Independent Contractor.       | Two things can be          |
|Mail:       dave@daveg.ca                    |  equal if and only if they |
|http://daveg.ca                              |   are precisely opposite.  |
=========================================================GLO================



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