Re: postgresql definitive list of network resources used/needed?

From: Scott Ribe <scott_ribe(at)elevated-dev(dot)com>
To: richard coleman <rcoleman(dot)ascentgl(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: postgresql definitive list of network resources used/needed?
Date: 2022-08-11 15:04:35
Message-ID: 62A6BB7E-2BD7-4701-B59A-88A7D8F2AE82@elevated-dev.com
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> On Aug 11, 2022, at 8:38 AM, richard coleman <rcoleman(dot)ascentgl(at)gmail(dot)com> wrote:
>
> If you read the entire line you quoted, I was trying to confirm that intrinsic features and utilities, including pg_dump, don't use any **other** network ports

Right. "Standard" utilities don't. pg_dump, pg_basebackup, fdw, etc all connect to PG as clients--which means they connect to 5432, from whatever random port the OS assigns to that connection.

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