Rsynch vs VPN for online backups

Hi experts,

I am trying to have an offline/online backup (never know which term is more appropriate). I use SBS 2008 Standard and do backups to eSata drives and NAS. I would like to do a backup to my home using a RAID5 server with nothing else on it.

From my reading of Rsync, it would allow me to "seed" it with the 65GBs of the first backup, and then use the Rsync technology to send small amounts of data each day. I read how to set it up, but I wasn't sure how to do the networking.

The other possibility would be to set up a VPN and "seed" it as well. My Backup Program (Backup Assist) has a type of backup where you can mirror and it only sends new and updated files similar to Rsync.

I have a PIX-501 at either end, both with the capability of doing Easy-VPN. The host machine is using a static IP while the remote machine where I want to put the backup is using dynamic. I do have a program called No-IP on it.

Is it possible to set this up and how would I do it. My backup program can do Rsync and the Mirror backup described above. I know that Amazon has an S3, etc. backup for Rsync, but one, it seemed a bit difficult and two, it does cost money both for the amount of data and the bandwidth used.

Thanks in advance.

Bert
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Bert2005Asked:
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Rich RumbleSecurity SamuraiCommented:
Rsync is typically a *nix utility that creates delta's (difference files) to keep subsequent backups much much smaller than the first typically. There are a number of rsync port's and clones for windows. Rsync by default is not encrypted, so if you were to use it, it should be done over a vpn, ssh (rsh), or encrypted before transmission i n "plain-text". How large are your drives? 1Tb of storage is under $100 anymore, or right around there. I'm not sure about the vpn "seed" portion, the vpn would encrypt the transmission...
http://en.wikipedia.org/wiki/Rsync
The built-in backup utility in windows itself can do good backups, differential backups like you've described: http://www.argentuma.com/backup/software/windows-backup.html
They can be done locally and or over a vpn.
-rich
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