Disconnecting: Protocol error: expected packet type 31, got 94 mux_client_request_session: read from master failed: Broken pipe mux_client_request_session: read from master failed: Broken pipe mux_client_request_session: read from master failed: Broken pipe fatal: The remote end hung up unexpectedly fatal: The remote end hung up unexpectedly fatal: early EOF fatal: The remote end hung up unexpectedly fatal: The remote end hung up unexpectedly fatal: early EOF fatal: early EOF fatal: The remote end hung up unexpectedly fatal: early EOF fatal: The remote end hung up unexpectedly
The change that introduced them have some more information in the commit message:
https://gerrit-review.googlesource.com/#/c/60574/
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Allow configuration of SSH rekey values
A long standing bug in SSHD Mina where packets gets out of
order during the rekey phase, will force the ControlMaster
to disconnect during high load (repo -jxx):
Protocol error: expected packet type 31, got 94
This fix allows us to change the trigger limits for rekeying:
rekeyTimeLimit - Default value 1h
rekeyBytesLimit - Default value 1073741824 (bytes, 1GB)
The rekeyTimeLimit can be set to 0 to disable the trigger.
The rekeyBytesLimit can never be set to lower than 32, (Mina
will automatically raise the value to 32 if lower).
To get rid of the Protocol error by using these configuration
values, you can set rekeyTimeLimit to 0 (disables it) and also
set a very high rekeyBytesLimit. This will ensure that the bug
prone rekeying logic in SSHD Mina will never be executed.
Change-Id: Ic196c99266252f47659b26af645b26f77fc15ebd
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Check out sshd.{rekeyTimeLimit,rekeyByteLimit} configuration values.