linux rsync <-> SSHDroid has started becoming unreliable after an upgrade of Fedora 28 to 29

Paul Slootman paul+rsync at
Sat Feb 2 16:00:30 UTC 2019

On Sun 03 Feb 2019, Philip Rhoades via rsync wrote:
> For some years I have been using rsync quite happily to send / retrieve
> files to / from SSHDroid Pro but recently I have started having a problem
> when transferring large numbers of file - I am pretty sure it started after
> upgrading from Fedora x86_64 28 to 29 - but I am not 100% sure.  Below is


> Corrupted MAC on input.
> ssh_dispatch_run_fatal: Connection to port 22: message
> authentication code incorrect

ssh's communication gets disrupted somehow, and stops the connection,
thus causing rsync to fail.

This is a problem with ssh, not with rsync. Try enabling ssh debug
options, and try using different ssh ciphers.


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