netdev - Re: RFC: Network privilege separation.

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Message-ID: <20090108120850.GA3188@gondor.apana.org.au>
Date:	Thu, 8 Jan 2009 23:08:50 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	michael@...top.org
Cc:	andi@...stfloor.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: RFC: Network privilege separation.

Michael Stone <michael@...top.org> wrote:
> 
> In short, I'm trying to provide a general-purpose facility for
> 
>   * limiting networking per _process_, not per user, 

You do realise that this is trivial to get around with ptrace,
right? So you'll need to stop ptrace as well.  Then you'll have
to think about all the other ways the process can escape this
networking jail because processes belonging to the same user
just aren't designed to be separated from each other.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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