Re: ident authentication problem

From: Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: ident authentication problem
Date: 2004-04-22 16:16:22
Message-ID: 20040422161622.GB3292@dcc.uchile.cl
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On Thu, Apr 22, 2004 at 01:58:14PM +0200, Karsten Hilbert wrote:

> a) it seems SQL ledger wants to store data in PostgreSQL
> b) I assume it wants to store *financial* data
> c) local/all/trust means *all* *local* users are *trusted*, eg
> don't require any authentication, hence system account foo
> can access *all* databases (including the SQL-ledger one)
> even though foo does not have a corresponding DB account
>
> Assuming, that there aren't any schema level restrictions
> (GRANTs) set up which may or may not be the case. Forgot to
> mention that point earlier on.

If the data is protected by GRANT/REVOKE, a malicious (or curious) user
can work around them by connecting as the database superuser, so in
practice there's no protection at all.

--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"Acepta los honores y aplausos y perderás tu libertad"

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