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ransomware protection?


crossix

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If you dont use btrfs with snapshots then you use your own snapshotted backups (via rsync or some other means) those should be chattr +i to make them immutable after the backups are done.

 

A raid array is NOT a replacement for BackUps. You may need to rethink your setups.

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5 hours ago, BRiT said:

If you dont use btrfs with snapshots then you use your own snapshotted backups (via rsync or some other means) those should be chattr +i to make them immutable after the backups are done.

 

A raid array is NOT a replacement for BackUps. You may need to rethink your setups.

 

How do you chattr +i please.

 

 

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"chattr +i" can be done on files or directories. That combo sets the item as immutable, meaning no changes can be done unless you "chattr -i" the items. It protects beyond "chmod 444".

 

This was talked about in the ransomeware resistence thread(s). I assume everyone would have read that thread already before asking questions.

 

 

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12 hours ago, crossix said:

Is btrfs "stable" enough, people saying you need ups backup for the server, cuz files tend to get corrupted for accidental shutdowns!

 

IMO yes, but like brit mentioned snapshots increase your protection against e.g. ransomware or accidental deleted/modified files but, and the same as unRAID, are not a backup, you need to have a backup of your irreplaceable files.

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