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Date:      Thu, 11 Nov 2004 18:42:42 +1100
From:      Peter Jeremy <PeterJeremy@optushome.com.au>
To:        Michael Butler <imbutler@comcast.net>
Cc:        FreeBSD Stable <freebsd-stable@freebsd.org>
Subject:   Re: 5.3-RELEASE kde 3.3 and pf
Message-ID:  <20041111074242.GP79646@cirb503493.alcatel.com.au>
In-Reply-To: <2894.192.168.1.10.1100096559.squirrel@192.168.1.10>
References:  <20041110134853.GB87953@sr.se> <20041110140614.GO85877@weirdos.oban.frmug.org> <2894.192.168.1.10.1100096559.squirrel@192.168.1.10>

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On Wed, 2004-Nov-10 09:22:39 -0500, Michael Butler wrote:
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>> Maybe you should allow everything on lo0, in and out.
>
>127/8 should always be allowed on the loopback interface,
>127/8 should always be dropped from all other interfaces.
>
>I am "uncomfortable" saying that everything should be allowed ..

I agree with the latter but the former is unnecessarily restrictive.
By default, FreeBSD generates a static route to `hostname` via lo0.

The default ipfw rules are:
 100 pass all from any to any via lo0
 200 deny all from any to 127.0.0.0/8
 300 deny ip from 127.0.0.0/8 to any

-- 
Peter Jeremy



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