Subject: Re: scram and \password
To: Tom Lane <tgl@sss.pgh.pa.us>
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Cc: Heikki Linnakangas <hlinnaka@iki.fi>, Robert Haas
 <robertmhaas@gmail.com>, Michael Paquier <michael.paquier@gmail.com>,
 Jeff Janes <jeff.janes@gmail.com>,
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From: Joe Conway <mail@joeconway.com>
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Date: Tue, 14 Mar 2017 09:08:19 -0700
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From: Joe Conway <mail@joeconway.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>, Robert Haas
 <robertmhaas@gmail.com>, Michael Paquier <michael.paquier@gmail.com>,
 Jeff Janes <jeff.janes@gmail.com>,
 pgsql-hackers <pgsql-hackers@postgresql.org>
Message-ID: <e794673a-c7ef-3dbc-1fd2-451660ced99a@joeconway.com>
Subject: Re: [HACKERS] scram and \password
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On 03/14/2017 08:40 AM, Tom Lane wrote:
> Joe Conway <mail@joeconway.com> writes:
>> On 03/14/2017 03:15 AM, Heikki Linnakangas wrote:
>>> It would be a lot more sensible, if there was a way to specify in
>>> pg_hba.conf, "scram-or-md5". We punted on that for PostgreSQL 10, but
>>> perhaps we should try to cram that in, after all.
>=20
>> I was also thinking about that. Basically a primary method and a
>> fallback. If that were the case, a gradual transition could happen, and
>> if we want \password to enforce best practice it would be ok.
>=20
> Why exactly would anyone want "md5 only"?  I should think that "scram
> only" is a sensible pg_hba setting, if the DBA feels that md5 is too
> insecure, but I do not see the point of "md5 only" in 2017.  I think
> we should just start interpreting that as "md5 or better".

That certainly would work for me.

Joe

--=20
Crunchy Data - http://crunchydata.com
PostgreSQL Support for Secure Enterprises
Consulting, Training, & Open Source Development


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