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Date:      Tue, 5 Jun 2007 12:42:03 +1000
From:      "David N" <davidn04@gmail.com>
To:        "FreeBSD-Questions Mailing List" <freebsd-questions@freebsd.org>
Subject:   Re: isc-dhcp3-server in a jail?
Message-ID:  <4d7dd86f0706041942o4397a46en4d2f1cb9e01ef27a@mail.gmail.com>
In-Reply-To: <f82eafcc0706041519y76cd77edtcc0b4a9f4744710d@mail.gmail.com>
References:  <f82eafcc0706030547q54ef5bekb3408e5e734668fc@mail.gmail.com> <20070604113945.GA15154@schottelius.org> <f82eafcc0706041519y76cd77edtcc0b4a9f4744710d@mail.gmail.com>

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On 05/06/07, Paul Fraser <pfraser@gmail.com> wrote:
> On 6/4/07, Nico -telmich- Schottelius
> <nico-freebsd-questions@schottelius.org> wrote:
> > What's the IP-number in your jail and what's it outside?
> >
> > I am not sure, whether broadcasts are delivered to the jails or not.
> >
> > Nico
>
> Hi Nico,
>
> The IP assigned to the host system is 192.168.72.250, with an alias
> for 192.168.72.251. The jail is configured with the IP 192.168.72.251.
>
> --
> Regards,
>
> Paul Fraser
> http://furyc0de.net/
> _______________________________________________
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>
To get isc-dhcpd in a jail you need to give the jail access to /dev/bpf0

so you have to edit /etc/defaults/devfs.rules
add to the end the unhide rules for bpf eg.
[devfsrules_unhide_bpf=5]
add path bpf0 unhide

[devfsrules_dhcp_jail=6]
add include $devfsrules_hide_all
add include $devfsrules_unhide_basic
add include $devfsrules_unhide_login
add include $devfsrules_unhide_bpf

then in your /etc/rc.conf add
jail_<jailname>_defs_ruleset="devfsrules_dhcp_jail"

and restart the jail.

modify the configuration accordingly though =)



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