Re: Loggingt psql meta-commands

On 12/10/2015 01:36 PM, oleg yusim wrote:
> Adrian,
>
> What I hope to achieve is to meet this requirement from Database SRG:

So some aspect of this:

https://www.stigviewer.com/stig/database_security_requirements_guide/

Can you be more specific?

>
> /Review DBMS documentation to verify that audit records can be produced
> when privileges/permissions/role memberships are retrieved./

That is a tall order, that is an almost constant process.

> /
> /
> To do that I would need to enable logging of such commands as \du, \dp,
> \z. At the same time, I do not want to get 20 GB of logs on the daily
> basis, by setting log_statement = 'all'. So, I'm trying to find a way in
> between.

Any way you look at this is going to require pulling in and analyzing a
great deal of information. That is why I asked for the specific
requirement, to help determine exactly what is being required?

>
> Thanks,
>
> Oleg
>
>
>
> On Thu, Dec 10, 2015 at 3:29 PM, Adrian Klaver
> <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 12/10/2015 12:56 PM, oleg yusim wrote:
>
> So what I want to accomplish is logging queries for roles/privileges
> with minimal increasing volume of logs along the way. The idea I got
> from responses in this thread so far is:
>
> 1) Set log_statement on postgresql.conf to 'mod'
> 2) Raise log_statement to 'all' but only for postgres superuser
>
> What seems to be open questions to me with this model:
>
> 1) Way to check what log_statement set to on per user basis
> (what table
> should I query?)
> 2) Way to ensure that only superuser can run meta commands, such
> as \du,
> \dp, \z
>
>
> Maybe if you tell us what you hope to achieve, monitoring or access
> denial and to what purpose, it might be possible to come up with a
> more complete answer.
>
>
> Thanks,
>
> Oleg
>
> On Thu, Dec 10, 2015 at 2:50 PM, David G. Johnston
> <david(dot)g(dot)johnston(at)gmail(dot)com <mailto:david(dot)g(dot)johnston(at)gmail(dot)com>
> <mailto:david(dot)g(dot)johnston(at)gmail(dot)com
> <mailto:david(dot)g(dot)johnston(at)gmail(dot)com>>> wrote:
>
> On Thu, Dec 10, 2015 at 1:46 PM, oleg yusim
> <olegyusim(at)gmail(dot)com <mailto:olegyusim(at)gmail(dot)com>
> <mailto:olegyusim(at)gmail(dot)com
> <mailto:olegyusim(at)gmail(dot)com>>>wrote:
>
> Hi David,
>
> Can you, please, give me example?
>
>
> ​Not readily...maybe others can. Putting forth specific
> examples of
> what you want to accomplish may help.
>
> David J.​
>
>
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com