From owner-freebsd-security@FreeBSD.ORG  Tue Apr 20 02:20:48 2004
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To: "Christian S.J. Peron" <maneo@bsdpro.com>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Tue, 20 Apr 2004 01:56:38 -0000."
             <20040420015638.A84821@staff.seccuris.com> 
Date: Tue, 20 Apr 2004 11:20:37 +0200
Message-ID: <14522.1082452837@critter.freebsd.dk>
cc: freebsd-hackers@freebsd.org
cc: freebsd-security@freebsd.org
Subject: Re: [patch] Raw sockets in jails 
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In message <20040420015638.A84821@staff.seccuris.com>, "Christian S.J. Peron" w
rites:
>
>        Although RAW sockets can be used when specifying the source
>        address of packets (defeating one of the aspects of the jail)
>        some people may find it usefull to use utilities like ping(8)
>        or traceroute(8) from inside jails.
>
>        Enclosed is a patch I have written which gives you the option
>        of allowing prison-root to create raw sockets inside the prison,
>        so that programs various network debugging programs like ping
>        and traceroute etc can be used.
>
>        This patch will create the security.jail.allow_raw_sockets sysctl
>        MIB. I would appriciate any feed-back from testers
>
>	See PR #:
>	http://www.freebsd.org/cgi/query-pr.cgi?pr=65800

Could you take a peek and see how hard it would be to enforce source-IP
compliance with the jail restriction ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.