The three most popular ones are OpenVPN, PPTP, and L2TP/IPSec. VPNs offer a variety of protocols through which you can channel your connection. To pick out the right provider, there are a few things you’ll have to know about how your QNAP device and VPN service will work together. This type of security is important especially if the type of data you’re storing is really sensitive.

Using a VPN also ensures that the data you store is not easily retrievable by anyone else other than you. Since you’ll also probably be connected to a network, a VPN ensures that all your network traffic stays encrypted, thereby taking care of any loopholes that hackers may use to get hold of your data. Using QNAP with VPNĪ Virtual Private Network or a VPN service helps by encrypting your Internet connection, thus preventing any third parties from intercepting your data as it gets uploaded or downloaded to or from your device. The QNAP devices you’re going to get will probably require an Internet connection to function, and with the many insecurities that come with being online, it’d be a good idea to look for a solution that’ll provide a layer of protection. Once you’ve made that decision, the second thing you’ll have to think about is the security of your data. To mitigate this you’ll want another external backup, preferably to the cloud.As a user, you might choose to have a QNAP system that you’d like to access remotely, or you could also go for the ones that could be based at home or in your business premises. If the box just dies, or if something catastrophic happens like a fire, you’ll still lose all your data. Whichever you choose however, don’t consider your NAS to be the only backup of your data. RAID 6 meanwhile requires four drives but offers both striped and dual parity, so two drives could fail and the RAID could still recover. As data is ‘striped’ across three drives, reads are fast, but at the expense of slower writes because of having to also write the parity data. That means a RAID 5 array can withstand a single drive failure without losing data or access to data. RAID 5 requires at least three drives and offers parity data.

You can then replace the faulty disk, and rebuild the RAID array. In this scenario, the second drive is a mirror of the first, so if one drive fails completely all your data is safe on the other. Most NAS drives will offer at least two bays, which means that you can set them up as RAID 1.

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