Re: PostgreSQL Password Cracker - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: PostgreSQL Password Cracker
Date
Msg-id 200212311749.gBVHnUS23679@candle.pha.pa.us
Whole thread Raw
In response to Re: PostgreSQL Password Cracker  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: PostgreSQL Password Cracker
List pgsql-hackers
Tom Lane wrote:
> Devrim GUNDUZ <devrim@tr.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@candle.pha.pa.us               |  (610)
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