Re: Views, views, views: Summary of Arguments

From: "Merlin Moncure" <merlin(dot)moncure(at)rcsonline(dot)com>
To: "Andrew Dunstan" <andrew(at)dunslane(dot)net>
Cc: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Views, views, views: Summary of Arguments
Date: 2005-05-13 15:23:57
Message-ID: 6EE64EF3AB31D5448D0007DD34EEB3415C2851@Herge.rcsinc.local
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Andrew Dunstan wrote:
> Tom Lane wrote:
> >"Merlin Moncure" <merlin(dot)moncure(at)rcsonline(dot)com> writes:
> >>However, I think PostgreSQL has a fairly serious security problem in
> >>that the system catalogs are open to the public. I don't seem to be
> >>winning many supporters on this particular point though.
> >
> >No, you're not, and it's not like we've never heard this argument
> >before.
> >
> >Just upthread there were several complaints about the
information_schema
> >being too restrictive to be useful --- I think we'd get a whole lot
more
> >of that if we tried to prevent direct examination of the catalogs.
>
> There is a case for a facility to "harden" postgres. My experiments
some
> time ago show you can pretty much hide everything without breaking
> anything badly if you're careful. I have it on my personal TODO list
to
> complete a hardening script - although I have no idea when I'll get to
it.

:-). I tried it from that angle and could only come up with two modes:
'pgadmin on' and 'pgadmin off' (per user). If you can do better, I'd be
thrilled. I also don't want to overblow my own argument...the database
can be secured quite effectively if you know what to do. It would just
be nice to have a little flexibility.

I suppose a hardening script, internal or external to the project is a
reasonable way of addressing my security concerns, if not superior.

Merlin

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