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Date:      Thu, 23 Nov 2000 17:42:31 +0300
From:      Ekaterina Ivannikova <kate@gutatelecom.ru>
To:        freebsd-security@freebsd.org
Subject:   How to isolate jails from the host system ?
Message-ID:  <20001123174231.A4498@hub.all.yans.ru>

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Hi All,

what is the recommended way of isolating jails from the host system 
with regard to tcp/ip connections ?
It appeares that though processes in a jail are not allowed to bind to 
the host system's ip address, they are still assigned this ip address if they
try to connect to daemons running on the host system. Thus placing
filters on lo0 doesn't help as the host system cannot distinguish between
clients coming from a jail and its own processes. 
I'm running 4.2-STABLE cvsuped on Nov 21 if it matters.

Regards,

Ekaterina Ivannikova


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