December 4, 20178 yr So I have just built a second unraid server to serve as my backup server to my home unraid server - both running 6.3.5. I am putting this other server at a family member's house. I am trying to determine the best way to run automatic, incremental, backups between the two machines...securely... I've read lots of forums about how to setup rsync, and I'm going to start learning that. And VPN has lots of forums as well. But I don't want to have the two machines connected over a VPN connection 24/7. Does anyone have any suggestions for securely backing up over the scary internet that doesn't involve VPN OR has a way to automatically VPN in on a schedule, accomplish a (simple) rsync backup, then close the VPN connection, all without me having to remember to do it myself? Also I've seen some syncing tools in Community Applications that use the BitTorrent type connections to do backups, is this secure enough to not worry about a VPN? For those of you that backup servers in different locations - how do you do it?
December 4, 20178 yr rsync itself can use ssh + key as carrier. So if the key doesn't require a passphrase - or if the key has been pre-loaded in a certificate agent - then rsync can make a secure ssh connection to another server and then perform the file transfers within this ssh tunnel. In that case you have to expose ssh to the net, which means the ssh server should have a review of supported protocols etc so it's reasonably hardened. But a ssh server that doesn't allow password login is quite secure as long as the key is generated big enough.
December 4, 20178 yr Author With your gracious gift of the proper keywords, i found the following forum. This should be exactly what i need, and im going to give it a shot tonight. I can report back if it works well, and will probably continue any questions or posts over there. Thanks for the help! Edited December 4, 20178 yr by BilboT34Baggins
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