OpenSSH server doesn't log client disconnect without SSH_MSG_DISCONNECT

[Opty]

On Thu, May 30, 2024 at 3:03 AM Damien Miller <djm at mindrot.org> wrote:
> On Wed, 29 May 2024, Opty wrote:
> > On Mon, May 27, 2024 at 4:18 AM Damien Miller <djm at mindrot.org> wrote:
> > > Yeah, you're adding a new thing that will be logged. IMO you should
> > > try to figure out why the "Connection closed" message that is present
> > > in the debug log you sent is not making to to your syslog.
> >
> > If I change LogLevel in /etc/ssh/sshd_config from default INFO to
> > VERBOSE then I see 'Connection closed' message but also others which I
> > don't want.
> >
> > I also tried 'LogVerbose packet.c:sshpkt_vfatal():*' and even
> > 'LogVerbose *:sshpkt_vfatal():*' (both with 'LogLevel INFO') but none
> > worked.
>
> What version OpenSSH are you using? Are you building from source or are
> you using a vendor/distribution packaging? It's possible that someone
> else has modified the log level, but in the version we ship these are
> all at loglevel INFO

9.3p2, 64-bit Slackware 15.0 package which uses two patches but they
look LogLevel-safe to me, you can check at
http://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/source/openssh/

Regards,
Opty