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Date:      Mon, 10 Oct 2005 11:27:23 -0400
From:      Aaron Peterson <dopplecoder@gmail.com>
To:        "Brian E. Conklin" <bconklin@masongeneral.com>
Cc:        freebsd-questions@freebsd.org, Mark Cullen <mark.r.cullen@gmail.com>
Subject:   Re: Converting from IPFW to IPFILTER
Message-ID:  <45d750d20510100827s5500093cqac3ee9f636d4bc50@mail.gmail.com>
In-Reply-To: <CA513920FC73A14B964AB258D77EA8D6A4474D@mx1.masongeneral.com>
References:  <CA513920FC73A14B964AB258D77EA8D6A4474D@mx1.masongeneral.com>

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On 10/10/05, Brian E. Conklin <bconklin@masongeneral.com> wrote:
>
> So I am assuming because IPFW is built into the kernel with a "default to
> deny" option, I will need an IPFW rule allowing everything? Or, can I cha=
nge
> my rc.conf to have IPFIREWALL_ENABLE=3D"NO"?
>

IPFW can be compiled static into the kernel, or it can be loaded as a
module.  My understanding is that when loading as a module, default
deny is your only option.  If you compile into the kernel with
"options IPFFIREWALL_DEFAULT_TO_ACCEPT" then you get the obvious
results.  This is all in the handbook by the way:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/firewalls-ipfw.ht=
ml

Aaron



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