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Date:      Thu, 7 Jul 2011 21:02:18 -0700
From:      Matt Olander <matt@ixsystems.com>
To:        Ilya Bakulin <webmaster@kibab.com>
Cc:        freebsd-hackers@freebsd.org, "Robert N. M. Watson" <robert.watson@cl.cam.ac.uk>, Jonathan Anderson <jonathan.anderson@cl.cam.ac.uk>, Ben Laurie <benl@google.com>
Subject:   Re: Capsicum project: Ideas needed
Message-ID:  <CAK6u07UyQJyz%2BvXmxK1VA5vQPzRdL=7efFNtVRWshHkifK%2BH%2Bw@mail.gmail.com>
In-Reply-To: <4E167C94.70300@kibab.com>
References:  <4E167C94.70300@kibab.com>

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On Thu, Jul 7, 2011 at 8:42 PM, Ilya Bakulin <webmaster@kibab.com> wrote:
> Hi hackers,
> As a part of ongoing effort to enhance usage of Capsicum in FreeBSD base
> system, I want to ask you, which applications in the base system should
> receive sandboxing support.
> So far, the following applications were sandboxed during initial
> Capsicum research project:
> =A0sshd: critical system service run by root;
> =A0gzip: utility that operates with potentially buggy compression code
> =A0tcpdump: contains complex packet-parsing code, run by root;
> I have added sandboxing to syslogd, because this is also a critical
> system service run by root.
> I'm also going to add sandboxing to xz (compression algorithms) and ntpd
> (critical system service run by root).
>
> The question is: which applications should also be processed? I think
> that the most wanted candidates are SUID programs and/or popular network
> daemons.
> But looking at gzip example I also think about text-processing tools in
> general.
>
> At the moment I prefer not to focus on applications that are used only
> on desktop system -- primary usage of FreeBSD is ultra-reliable serving
> platform, although iXSystems guys may correct me :-)

Haha, we will not disagree with you (yet!). This is a great project
and I appreciate your work on it.

What about inetd? Is that possible or does each service it support
need sandboxing, too? How about sendmail and bind?

Cheers,
-matt



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