Hi all.  I'm sure you'll probably think I'm crazy, but I'd like to assess the
risks involved in allowing NFS thru an internal firewall.

In order to do this, I'm interested in exactly which ports are required to be
opened in order to pass NFS thru a firewall.

I understand NFS uses both UDP and TCP, as well as RPC.  I also understand
there is a way under Solaris to tune the UDP ports that it uses?

Does anyone have any experience in using network-level encryption with NFS? 
Perhaps SKIP for Solaris, or IPSec?  Can anyone make a recommendation?

This is an exercise in learning the protocol, as well as producing
something to show to management...

Thanks,
Dave

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