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From: Tom Lane <[email protected]>
To: Ing. Marijo Kristo <[email protected]>
Cc: [email protected]
Subject: Re: Revoke Connect Privilege from Database not working
Date: Tue, 01 Apr 2025 10:13:49 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

"Ing. Marijo Kristo" <[email protected]> writes:
>> Removing the connect privilege with the Postgres Superuser and with the
>> Vault Admin user does not work.
>> postgres=# revoke connect on database "disp_db" from
>> "dev_oidc-m-kristo-rewe-group-at-2025_02_28T09_06_30+00:00";
>> REVOKE

REVOKE is not being as helpful as it could be here, perhaps:
it is failing to tell you that it's a no-op because there
is no such privilege.  You never granted connect on disp_db
to that user so you can't revoke it either.

The privilege that exists by default, per [1], is that
database connect privileges are granted to PUBLIC (the
pseudo-group of all users).  If that's not what you want,
you have to do

revoke connect on database "disp_db" from public;

and then grant it out again to the users who should have it.

			regards, tom lane

[1] https://www.postgresql.org/docs/current/ddl-priv.html

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