| From: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
|---|---|
| To: | "Edward J(dot) Sabol" <edwardjsabol(at)gmail(dot)com> |
| Cc: | pgsql-admin <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: pg_stat_activity's client_addr column contains "::1" but actually comes from elsewhere? |
| Date: | 2020-11-16 22:27:48 |
| Message-ID: | CAMkU=1y0pL00n1=8tJgST61+jvPyL=ZzHuAGRcHP+gsxpWoC-A@mail.gmail.com |
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On Mon, Nov 16, 2020 at 4:08 PM Edward J. Sabol <edwardjsabol(at)gmail(dot)com>
wrote:
> Hello! I'm trying to track down where some connections are coming from.
> "select pid,client_addr,client_hostname from pg_stat_activity" shows
> multiple entries with values with client_addr = "::1". "client_hostname" is
> blank for all entries, by the way, and unhelpful in this scenario. Also,
> "state" is "idle" for these entries I'm interested in, in case that matters.
>
> ::1 would imply the IPv6 loopback address, so that means the connection is
> coming from a process on the server, right? But I'm positive there is no
> process on this server that is connecting to PostgreSQL (other than my psql
> session).
>
It could be connected through an SSH tunnel, that will look like it is
coming in over the loopback device.
Cheers,
Jeff
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