[Techtalk] Using rsync to remote backup encrypted files?

[Kelly Jones]

I use rsync to backup files remotely.

This works great if they're unencrypted: a small change in a large
file requires very little bandwidth to sync.

But if I encrypt files, this no longer works: a small change in a
large file could result in a completely different file, so I lose the
benefit of rsync.

How do people workaround this? I know online backup companies (like
mozy.com) must solve this problem somehow?

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