openssh bugs - Aug 2017 - [Bug 2758] New: Connection to xx.xx.xx.xx port 22: Broken pipe

https://bugzilla.mindrot.org/show_bug.cgi?id=2758

            Bug ID: 2758
           Summary: Connection to xx.xx.xx.xx port 22: Broken pipe
           Product: Portable OpenSSH
           Version: 7.2p2
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: jg at jguk.org

Hello
Similar to bug 2750

Often I see this style of message below from various connections on
different computers, from my stable Ethernet connection, to my AWS
server and other servers.


$ ssh -i "j.pem" ubuntu at
ec2-xx-xx-xx-xx.eu-west-1.compute.amazonaws.com
ubuntu at ip-xx-xx-xx-xx:~/$

<after a few hours>

packet_write_wait: Connection to xx.xx.xx.xx port 22: Broken pipe
$

Could that just say "Connection closed" please ? eg.

"Connection closed xx.xx.xx.xx port 22"

I'm not sure if the IP and port are relavent to include in the message,
but anyway, something clearer than "Broken pipe"

Regards, Jonny

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Darren Tucker <dtucker at zip.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dtucker at zip.com.au

--- Comment #1 from Darren Tucker <dtucker at zip.com.au> ---
(In reply to jg from comment #0)
[...]
> packet_write_wait: Connection to xx.xx.xx.xx port 22: Broken pipe
> $
> 
> Could that just say "Connection closed" please ? eg.
Is that being triggered by a TCP reset?  If so the message seems
appropriate.

"Connection closed" means it was deliberately closed be either client
or server (ie TCP FIN).  Using it when something else breaks the
connection seems like a lie.

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--- Comment #2 from jg at jguk.org ---
Hello
Sorry I don't know the reason the connection had a pipe error.

Even "Connection lost" would sound good.


Although in English, "closed" doesn't mean deliberately closed.

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |djm at mindrot.org

--- Comment #3 from Damien Miller <djm at mindrot.org> ---
The error indicates the exact condition that caused the connection to
drop using one of the system error messages (see "man errno"). To
change it to something different would be to lose information.

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--- Comment #4 from jg at jguk.org ---
Why not put something user-friendly first then?

eg add "lost"

Connection lost to xx.xx.xx.xx port 22: Broken pipe

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #5 from Damien Miller <djm at mindrot.org> ---
Sorry, like I said - the message indicates the exact error case that
caused the connection to be dropped. It's useful information and worth
keeping.

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #6 from Damien Miller <djm at mindrot.org> ---
closing resolved bugs as of 8.6p1 release

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