On Mon, 23 Apr 2007, Dan Casey wrote:
It was my understanding that NFS worked off of RPC. I accidently
stumbled upon some redhat docs that said you use TCP based NFS which
will not require rpc? I think this is an NFSv4 feature, but I'm not
sure. I would like to achieve this using FreeBSD 6.2. My goal that I'm
trying to accomplish is to get nfs to work in an environment where all
traffic is denied by default. Using rpcbind doesn't work well with that
type of setup.
I tried the following
nfs_reserved_port_only="YES"
nfs_server_enable="YES"
nfs_server_flags="-t -n 4 -h 10.a.b.c"
This spawned rpcbind which I didn't want. Does anyone know how to do a
tcp only nfs implimentation?
AFAIK nfs v4 is not done yet, the client side is but not the server side.
But FBSD do have a tcp based nfs. This doesn't however change anything
with respect to avoiding rpcbind.
RPC is used to tell the client at which port the daemons bind. These may
be assigned dynamically (I think mountd is dynamic but nfsd static to
2049). Basically the client connects to the rpcbind deamon to request
which ports the mountd and nfsd are on.
You can force both to bind to a static port.
rpcbind_enable="NO" # Run the portmapper service (YES/NO).
nfs_server_enable="YES" # This host is an NFS server (or NO).
mountd_enable="YES" # Run mountd (or NO).
mountd_flags="-r -p 59" # Force mountd to bind on port 59
will force mountd to bind to port 59. Then it should be possible to run
the nfs server without rpcbind, but I don't remember how to configure the
client side.
Cheers, Erik
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