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- Posted on
October 17, 2006, 11:47 pm
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I've hooked up a backup-host to a server with a nic-to-nic link, over
which I intend to use rsync to mirror directories. The link is
considered `safe'. I need to run rsync as root to preserve permissions
on the mirrored files/directories, but I'm not happy allowing for the r*
commands (rsh, rlogin...) on the backup-host.
Now the question is: Is there any way I can use SSH to encrypt only the
authentication process but not the data-stream? The amount of mirrored
data can be substantial, and I see a big difference in CPU activity on
both hosts and elapsed time when I use rsync with ssh as compared to
rsh. (I did try to nfs-mount the server on the backup-host and run the
rsync there, but this proved to be much slower than running rsync
host-to-host......in case you wondered..... ;^)
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