Hello. My purpose of using a network file system is to back up my web server. For some special reason the backup application I am using need to directly access a mounted network file system rather then using a SSH connection.
For me, security is the biggest concern. The backup script should be able to connect to web server through encrypted TCP connection. Other features like being robust, being able to handle 1000 connections, local cache, offline, flexible ACL ... are not important. In my case, what is the best network file system for me? NFSv4 can use TCP, however I cannot find crypto information about NFSv4, but I do find some info about encrypted RPC on google, probably that means if I use encrypted RPC then I got encrypted NFS? A small advantage of NFS over coda is that I already used NFS for years (is familiar with that). Also NFS has no status, that is, I can mount once, backup every night; if the office network is down and back, as long as it's not down during backup, I don't have to re-connect (re-mount). Our office network gets down and back automatically once several days, it's impossible to maintain a TCP connection for days. Coda seems to be the best choice because articles on the web suggested this file system is created "with security in mind". But I never know any person using this in real life (not used widely) and is not familiar with it, thus I must ask for advice on this list.
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