backup some file, encryption

collinm · July 24, 2008, 11:21pm

hi

actually i use rsync to backup some file and folder of my home folder

all is saved on a dvd ram…

i would like to have more security

is there a way to do a rsync but the content of the destination would be encrypted?

thanks

user · July 25, 2008, 12:21am

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The contents of the destination? You mean on the drive when written?
You could have some process on the source or destination take the files
and create a tar file that could then be encrypted. You could also,
depending on what you mean, enable encryption on the driver doing the
storage on the other end so if it is ever stolen at least the data
should be hard/impossible to retrieve. With rsync typically the biggest
concern is with data as they are on the network since it doesn’t encrypt
natively. There is a simple switch, though, to have all rsync traffic
tunneled via ssh giving you great security there. Check that out for
network-level encryption.

~From man rsync:
If you need to specify a different remote-shell user, keep in mind that
the user@ prefix in front of the host is specifying the rsync-user
value (for a module that requires user-based authentication). This
means that you must give the ‘-l user’ option to ssh when specifying the
remote-shell, as in this example that uses the short version of the

–rsh option:
rsync -av -e “ssh -l ssh-user” rsync-user@host::module /dest

Good luck.

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