Re: Ident authentication failed - Mailing list pgsql-general

From Madison Kelly
Subject Re: Ident authentication failed
Date
Msg-id 43B9F91D.3070203@alteeve.com
Whole thread Raw
In response to Ident authentication failed  (Lucky Leavell <pgsql@UniXpress.com>)
Responses Re: Ident authentication failed
List pgsql-general
Lucky Leavell wrote:
> v8.0.3
> OS: SuSE 10.0 Pro
>
> I am new to PostgreSQL but fairly familiar with other RDBMS' such as
> Ingres, Informix and MySQL.
>
> I am attempting to switch from using MySQL to PostgreSQL with postfix. I
> have created the postfix user using createuser with a password but denying
> the ability to create databases or other users. However when I attempt to
> login even using psql:
>
>     psql -W -U postfix
>
> it prompts me for the password and I enter the one that user was created
> with. The resulting error is:
>
>     psql: FATAL: Ident authentication failed for user 'postfix'
>
> I know I must be missing something simple but I cannot find it in the docs
> or FAQs. Please point me in the right direction.
>
> Thank you,
> Lucky

By default, PostgreSQL won't let you connect unless your system user
account matches the user account in postgres... You can either 'su' to
the 'postfix' user or edit your 'pg_hba.conf' file to have the line:

local all all      trust

Usually there will already be the line:

local all all      ident sameuser

Be aware though that this essentially opens postgres access to anyone
with shell access. There are a few other ways to deal with them but the
PostgreSQL docs do a better job at explaining it than I can.

HTH!

Madison

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