From: Tom Lane <tgl@sss.pgh.pa.us>
To: Francesco Tagliani <fran.tm213@gmail.com>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17776: Connections are terminated unexpectedly sometimes
Date: Mon, 06 Feb 2023 11:18:35 -0500
Message-ID: <2676718.1675700315@sss.pgh.pa.us> (raw)
In-Reply-To: <CAG=uqRte6qa=qfzcHZUANVq4h3pKcdytzTSyJfwBFXQvz6m30A@mail.gmail.com>
References: <17776-36d858c9afa20043@postgresql.org>
<2665710.1675697999@sss.pgh.pa.us>
<CAG=uqRte6qa=qfzcHZUANVq4h3pKcdytzTSyJfwBFXQvz6m30A@mail.gmail.com>
Francesco Tagliani <fran.tm213@gmail.com> writes:
> I found some logs I don't understand.
> ```
> 2023-02-05 00:37:16.858 UTC [1739876] [unknown]@[unknown] FATAL:
> unsupported frontend protocol 65363.19778: server supports 3.0 to 3.0
> 2023-02-06 12:26:48.844 UTC [467480] [unknown]@[unknown] FATAL:
> unsupported frontend protocol 16.0: server supports 3.0 to 3.0
> 2023-02-06 02:17:08.205 UTC [257863] [unknown]@[unknown] FATAL:
> unsupported frontend protocol 65363.19778: server supports 3.0 to 3.0
> 2023-02-06 06:37:00.411 UTC [345467] [unknown]@[unknown] FATAL:
> unsupported frontend protocol 0.0: server supports 3.0 to 3.0
> 2023-02-06 06:37:00.679 UTC [345468] [unknown]@[unknown] FATAL:
> unsupported frontend protocol 255.255: server supports 3.0 to 3.0
> ```
Something port-scanning your server, perhaps? None of those
protocol numbers match anything that Postgres-related code
would use.
regards, tom lane
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-bugs@postgresql.org
Cc: tgl@sss.pgh.pa.us, fran.tm213@gmail.com, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17776: Connections are terminated unexpectedly sometimes
In-Reply-To: <2676718.1675700315@sss.pgh.pa.us>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox