openssh bugs - Jul 2024 - [Bug 3713] New: Multiple compression option is not updated

https://bugzilla.mindrot.org/show_bug.cgi?id=3713

            Bug ID: 3713
           Summary: Multiple compression option is not updated
           Product: Portable OpenSSH
           Version: 8.9p1
          Hardware: amd64
                OS: Linux
            Status: NEW
          Severity: minor
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: kanogin at gmail.com

The compression option is not redefined, then according to the
configuration settings.

I write a section for general traffic compression in the configuration
file ~/.ssh/config
Host *
Compression yes

and also register two hosts:

Host a
Compression yes

Host b
Compression no

Let's look at the configuration:

$ ssh -G a | grep compression
compression yes

$ ssh -G b | grep compression
compression yes

For host b, the configuration is not defined by the compression option
from host b, but is set for all hosts (Host *).

I expect that for host b the compression option will be set to no.

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https://bugzilla.mindrot.org/show_bug.cgi?id=3713

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WONTFIX
                 CC|                            |djm at mindrot.org
             Status|NEW                         |RESOLVED

--- Comment #1 from Damien Miller <djm at mindrot.org> ---
That's the way it works and the way it's intended to work. The 2nd
paragraph in the ssh_config manpage describes this:
> Unless noted otherwise, for each parameter, the first obtained
> value will be used
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