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Date:      Thu, 4 Dec 2003 17:50:36 +0100
From:      Devon H.O'Dell <dodell@sitetronics.com>
To:        Robert Watson <rwatson@freebsd.org>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: IPFW and the IP stack
Message-ID:  <FBEE0A3E-2679-11D8-B8AD-000502C708CB@sitetronics.com>
In-Reply-To: <Pine.NEB.3.96L.1031204112630.84430E-100000@fledge.watson.org>

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On Thursday, December 4, 2003, at 05:28 PM, Robert Watson wrote:

>
> On Thu, 4 Dec 2003, Devon H.O'Dell wrote:
>
>> This is obviously the most logical explanation. There's a good bit of
>> questioning for PFIL_HOOKS to be enabled in generic to allow ipf to be
>> loaded as a module as well. If this is the case, we'll have two
>> firewalls that have their hooks compiled in by default allowing for 
>> them
>> both to be loaded as modules. (Is this still scheduled for 5.2?)
>>
>> But at this point, there's no way to allow one to turn the IPFW hooks
>> *off*. Is there a reason for this?
>>
>> Would it be beneficial (or possible) to hook ipfw into pfil(9)? This
>> way, we could allow the modules to be loaded by default for both and
>> also allow for the total absence of both in the kernel. Sorry if I've
>> missed discussions on this and am being redundant.
>
> Sam Leffler has done a substantial amount of work to push all of the
> various "hacks"" (features?) behind PFIL_HOOKS, and I anticipate we'll
> ship PFIL_HOOKS enabled in GENERIC in 5.3 and use it to plug in most of
> these services.  This also means packages like IPFilter and PF will 
> work
> "out of the box" without a kernel recompile, not to mention offering
> substantial architectural cleanup.
>
> Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
> robert@fledge.watson.org      Senior Research Scientist, McAfee 
> Research

This is great news and definitely something I am interesting in 
contributing to. Sam: how can I help with this?

Kind regards,

Devon H. O'Dell




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