Re: PostgreSQL Password Cracker

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Devrim GUNDUZ <devrim(at)tr(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: PostgreSQL Password Cracker
Date: 2002-12-31 17:51:02
Message-ID: 200212311751.gBVHp2k23801@candle.pha.pa.us
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Devrim GUNDUZ wrote:
> Hi,
>
> On Sal, 2002-12-31 at 19:38, Tom Lane wrote:
> >
> > This is not a cracker, this is just a brute-force "try all possible
> > passwords" search program (and a pretty simplistic one at that).
>
> Ah, you're right.
>
> > I'd say all this proves is the importance of choosing a good password.
> > Using only lowercase letters is a *bad* idea, especially if you're only
> > going to use five of 'em...
>
> I had no time to search throug the code; but as far as I understood, it
> *attacks* the database servers with TCP/IP on, right?

It sniffs the packets going over the wire, so it can only be internet
sockets, not unix domain sockets (both use tcp/ip).

They basically sniff the text we send, and try passwords until the
result matches the successful reply the client sent.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

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