Re: User to get locked after three wrong login attempts.

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Praneel Devisetty <devisettypraneel(at)gmail(dot)com>, pgsql-admin(at)postgresql(dot)org
Subject: Re: User to get locked after three wrong login attempts.
Date: 2018-09-05 17:48:32
Message-ID: 20180905174832.GO4184@tamriel.snowman.net
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Greetings,

* Tom Lane (tgl(at)sss(dot)pgh(dot)pa(dot)us) wrote:
> Praneel Devisetty <devisettypraneel(at)gmail(dot)com> writes:
> > We have a requirement , where we require a user to get locked after three
> > wrong login attempts.
>
> The usual recommendation is to configure Postgres to use PAM
> authentication; then you can set up any weird requirements like
> this one in the PAM configuration.

Unfortunately, it's a pain to set up PAM and there's a lot of things in
the PAM stack which can't be used because PostgreSQL doesn't run as
root. We should really have a better solution to this pretty commonly
asked for capability; I'm hoping to find time soon to hack on that.

Thanks!

Stephen

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