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Date:      Sat, 9 Aug 2003 20:29:44 +0900
From:      "Jesse" <jesse@206underground.net>
To:        chris@redstarnetworks.net
Cc:        security@freebsd.org
Subject:   RE: FreeBSD - Secure by DEFAULT ?? [hosts.allow]
Message-ID:  <20030809202944.M87994@206underground.net>
In-Reply-To: <000d01c35e99$8ce83020$0b05a8c0@delllaptop>
References:  <20030809153213.GA2391@dali.cs.wm.edu> <000d01c35e99$8ce83020$0b05a8c0@delllaptop>

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\I bought a computer 
> mainly as a way to ignore my wife, now im not sure what is worse - Your
> bitching or hers?

Thank you for injecting some rare humor into what is usually/supposedly an 
otherwise quiet, boring list ;P

> 
> Chris Odell
> 
> -----Original Message-----
> From: owner-freebsd-security@freebsd.org
> [mailto:owner-freebsd-security@freebsd.org] On Behalf Of Zvezdan
> Petkovic
> Sent: Saturday, August 09, 2003 8:32 AM
> To: freebsd-security@freebsd.org
> Subject: Re: FreeBSD - Secure by DEFAULT ?? [hosts.allow]
> 
> On Fri, Aug 08, 2003 at 06:49:48PM -0400, Peter C. Lai wrote:
> > What are you meaning by "native"? They both exist as part of the base 
> > FreeBSD kernel; so in that sense, both ipf and ipfw are "native" to 
> > FreeBSD.
> 
> Notice that I said "AFAIK" in the original message below.  But let me
> elaborate.
> 
> I had in mind this sentence from FreeBSD Handbook, Section 10.7.1
> 
> 	"FreeBSD comes with a kernel packet filter (known as IPFW),
> 	which is what the rest of this section will concentrate on."
> 
> The handbook does _not_ talk about IPF.
> 
> Also, this document
> 	
> http://www.freebsd.org/news/status/report-may-2002-june-2002.html
> says (notice the word "native" in the first sentence, please):
> 
> 	"In summer 2002 the native FreeBSD firewall has been completely
> 	rewritten in a form that uses BPF-like instructions to perform
> 	packet matching in a more effective way. The external user
> 	interface is completely backward compatible, though you can make
> 	use of some newer match patterns (e.g. to handle sparse sets of
> 	IP addresses) which can dramatically simplify the writing of
> 	ruleset (and speed up their processing). The new firewall,
> 	called ipfw2, is much faster and easier to extend than the old
> 	one. It has been already included in FreeBSD-CURRENT, and
> 	patches for FreeBSD-STABLE are available from the author."
> 
> I rest my case.
> 
> > I don't see how this argument is appropriate for choosing one over the
> 
> > other anyway.
> 
> That was exactly my point.  Chris Odell admonished the original 
> poster for using IPFW stating that IPF is native to *BSD.  I simply 
> wanted to point out that is not the exact state of affairs.
> 
> > 
> > On Thu, Aug 07, 2003 at 06:22:55PM -0400, Zvezdan Petkovic wrote:
> > > On Thu, Aug 07, 2003 at 01:59:27PM -0700, Chris Odell wrote:
> > > > 
> > > > But why IPFW? IPF is *BSD native wall. I actually use both - IPF 
> > > > for firewalling, and IPFW for throttling via dummy net. My 
> > > > recommended reading for IPF and IPFW is "Building Linux and 
> > > > OpenBSD Firewalls"...
> > > 
> > > Where did you get this information?
> > > 
> > > Native firewall for FreeBSD is ipfw, AFAIK.  It's even used on OS X 
> > > as a native firewall, due to Darwin's FreeBSD roots.
> > > 
> > > Also, OpenBSD stopped using ipf four releases ago.  The native 
> > > firewall for OpenBSD is pf.  pf inherited much of the syntax from 
> > > ipf, but also extended it and added some features.
> > > 
> > > That said, I personally find ipf quite a good stateful firewall and 
> > > its syntax can feel more natural than ipfw syntax.  It also works on
> 
> > > Solaris and other OS's besides *BSDs.
> 
> Best regards,
> -- 
> Zvezdan Petkovic <zvezdan@cs.wm.edu> http://www.cs.wm.edu/~zvezdan/
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------- End of Original Message -------



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