From: Tom Lane <tgl@sss.pgh.pa.us>
To: c.santos@asctechnologies.com
cc: pgsql-docs@lists.postgresql.org
Subject: Re: 127.0.0.1 or localhost
In-reply-to: <160408279022.7809.11205153599276240373@wrigleys.postgresql.org>
References: <160408279022.7809.11205153599276240373@wrigleys.postgresql.org>
Comments: In-reply-to PG Doc comments form <noreply@postgresql.org>
	message dated "Fri, 30 Oct 2020 18:33:10 -0000"
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Date: Fri, 30 Oct 2020 19:04:29 -0400
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PG Doc comments form <noreply@postgresql.org> writes:
> It's not actually a problem, it's a question. pgpass in my case, has two
> lines, one with 127.0.0.1 and another with localhost
> what would be the difference from one to another. ??

AFAIR, the field is matched to how you wrote the hostname in the
connection parameters.

Also, it looks like there's a special case to consider 'localhost'
as matching a Unix-socket connection, if the socket is in the
installation's default socket directory.

			regards, tom lane