TLS certificates for NFS-over-TLS floating client

Rick Macklem rmacklem at
Sat Mar 21 01:34:05 UTC 2020

Jan Bramkamp wrote:
>On 20.03.20 02:44, Russell L. Carter wrote:
>> Here I commit heresy, by A) top posting, and B) by just saying, why
>> not make it easy, first, to tunnel NFSv4 sessions through
>> e.g. net/wireguard or sysutils/spiped?  NFS is point to point.
>> Security infrastructure that actually works understands the shared
>> secret model.
>Why not use IPsec in transport mode instead of a tunnel? It avoids
>unnecessary overhead and is already implemented in the kernel. It should
>be enough to "just" require IPsec for TCP port 2049 and run a suitable
>key exchange daemon.
I think the problem with these suggestions is interoperability.
The draft (that should soon become an RFC) describes use of RPC-over-TLS
and since the authors are both Linux NFS developers, I expect Linux to
implement this someday.
Once the Linux client can do it, the NFS server vendors will implement it.

NFS isn't great, but it is supported by a variety of vendors/systems and I
see that as one of its main features.


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