[Bug 3243] New: Introduce multiplex timeout configuration

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Tue Dec 15 21:16:45 AEDT 2020


https://bugzilla.mindrot.org/show_bug.cgi?id=3243

            Bug ID: 3243
           Summary: Introduce multiplex timeout configuration
           Product: Portable OpenSSH
           Version: 8.2p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: thomas.hartwig at gmail.com

I use ssh multiplexing, from time to time my IP changes or the internet
connection is reset but the ControlMaster files are still present. When
I try to connect in such a case there is a large timeout until ssh
detects the connection is not valid any more and establishes a new
master connection. I have not found a settings which is shorten this
timeout.

Currently I use a config like this:

ControlPath /tmp/ssh-%r@%h:%p
ControlMaster=auto
ControlPersist=600

As a workaround in such a case I remove the ssh files manually before
new connect.

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