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Date: Thu, 9 Sep 2010 20:03:07 +0000 (UTC)
From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
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To: "Luiz Gustavo S. Costa" <luizgustavo@luizgustavo.pro.br>
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Cc: FreeBSD virtualization mailing list <freebsd-virtualization@freebsd.org>
Subject: Re: [patch] allow testing VIMAGE with pf in base system only
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On Thu, 9 Sep 2010, Luiz Gustavo S. Costa wrote:

Hey,

> But I found something that may be unsafe within the jail environment,
> I'm allowed to change /dev/pf, so that if I run a "pfctl-f
> /etc/pf.conf" inside the jail to do with that the rules are read
> again, killing pf.conf on the main environment

yes, see the comment at the top of the patch:

! You should not leak /dev/pf into jails for now or they might
! change your rules;-)

See devfs, devfs.rules, etc.   The jail startup script would usually
apply the devfsrules_jail defines in /etc/defaults/devfs.rules.

/bz

-- 
Bjoern A. Zeeb                              Welcome a new stage of life.