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Date:      Fri, 22 Apr 2011 23:00:51 +0200
From:      "Michael Ross" <>
To:, xor <>
Subject:   Re: Jails: How do i limit what ifconfig shows?
Message-ID:  <op.vucxzpgqhalquq@michael-think>
In-Reply-To: <>
References:  <>

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Am 22.04.2011, 22:21 Uhr, schrieb xor <>:

> Hullo
> First off, thanks for a lovely operating system <3
> I decided to go for FreeBSD perhaps 3 days ago. Before, ive been an
> Debian/OpenBSD guy, and ive only used my obsd box for redundant
> firewalls and networking. Ive not been running any services off the
> boxen.
> The reason I decided to go for FreeBSD is because of the Jails. Ive
> looked around a bit, but I can not find anything about how to limit
> what interfaces that ifconfig shows. I would like it to hide pretty
> much everything so that _no_ information about the host systems
> networking leaks into the jails. I dont want jails to know anything
> but their IP-numbers and which computer to use for DNS lookups,
> essentially.
> Is there any good text out there that describes how to do this? Ive
> searched a bit for it, but Ive been unable to find anything but the
> basics.

Maybe you can remove the ifconfig binary from the jail.
Works for me.


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