From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Devrim GUNDUZ <devrim(at)tr(dot)net>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: PostgreSQL Password Cracker |
Date: | 2002-12-31 17:49:29 |
Message-ID: | 200212311749.gBVHnUS23679@candle.pha.pa.us |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> Devrim GUNDUZ <devrim(at)tr(dot)net> writes:
> > Some guys from Turkey claim that they have a code to crack PostgreSQL
> > passwords, defined in pg_hba.conf .
>
> > http://www.core.gen.tr/pgcrack/
>
> This is not a cracker, this is just a brute-force "try all possible
> passwords" search program (and a pretty simplistic one at that).
> 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...
Yea, that was my reaction too. Hard to see how we can guard against
this.
If they had used 8 lowercase characters, it would have been 36 days, if
8 upper and lower case, it would be 494 days, 8 upper/lowercase with
numbers, 38284 days.
--
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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