Re: Security Concerns over User 'postgres'

From: "Marcelo Costa" <marcelojscosta(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Lane Van Ingen" <lvaningen(at)esncc(dot)com>, pgsql-admin(at)postgresql(dot)org
Subject: Re: Security Concerns over User 'postgres'
Date: 2006-09-22 19:38:02
Message-ID: c13f2d590609221238g11b1d578n75f234c7fcfadbdd@mail.gmail.com
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Hi,

Only create one user to your aplications and give to her rights to acess
your database

You can change the password of postgresql user

In your linux distro type:

su - postgres

psql -U postgres

in the prompt of postgres type:

# alter user postgres with password 'your new password';

After this your password of user postgres are change.

Create an user to your aplications and give this to all users.

Don´t forget of rights (INSERT,SELECT,UPDATE,DELETE) on your tables to this
user.

[],s

Marcelo Costa
DBA
Executive Secretary of Education from Pará/Amazônia/Brazil

2006/9/22, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>
> "Lane Van Ingen" <lvaningen(at)esncc(dot)com> writes:
> > We created our PostgreSQL instance by compiling it from source, and the
> > instance is working just fine. User postgres runs the service; we do not
> > know what the password is, and we think it got created automatically by
> the
> > compile / install process.
>
> Are you sure it even *has* a password? In the default RPM installation,
> user postgres is created without any password --- the only way to become
> postgres is to su there from root, and if you've got root you hardly
> need to crack into postgres.
>
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 3: Have you checked our extensive FAQ?
>
> http://www.postgresql.org/docs/faq
>

--
Marcelo Costa

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