Rsync style backup without Client/Server

I want to be able to backup a large list of files to another hard drive automatically every night.  They are large ISO files that will change only occasionally.  One copy of the file is on a Windows box, and the other copy is on a NAS.  I like the idea of using Rsync, or DeltaCopy so if there are only a few changes it does not have copy over the entire file.  However since the NAS is not capable of running the Rsync sever software I am uncertain how to do this.  What’s the best way to automate this process and keep the bandwidth down to a minimum?
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Tom_HickersonAsked:
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mccrackyCommented:
As APNFSSC said, rsync can use ssh, but you can also just have the NAS backup location mounted on the Windows box and use cwRsynd or DeltaCopy to sync between the two directories on the Window box itself.
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APNFSSCCommented:
does your NAS support ssh? If it does take a look at the -e option in rsync.

You need to have shared ssh keys setup between the hosts which could be difficult for you.
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mccrackyCommented:
oops, that's cwRsync, not cwRsynd.
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Tom_HickersonAuthor Commented:

mccracky.  Thats what I planned to do.  Do I need to install the client and sever on the windows box?
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mccrackyCommented:
No, you don't need the "server" running unless you are going to connect across a LAN directly to it.  You can just use the client program between two directories on the box.
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