nfsd man page on Xenix

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NFSD(8)								       NFSD(8)

NAME
       nfsd - remote NFS server

SYNOPSIS
       nfsd  [ -u msk,mtch,numprocs ] [ -t msk,mtch,hostadr1,hostadr2,...  ] [
       numprocs ]

DESCRIPTION
       Nfsd runs on a server machine  to  service  NFS	requests  from	client
       machines.   At  least one nfsd must be running for a machine to operate
       as a server.  The options -u and -t are used to indicate	 which	trans‐
       port protocols are to be served.

       -u     Serve UDP NFS clients.

       -t     Serve TCP NFS clients.

       msk, mtch
	      These  arguments	permit restriction of NFS services to a subset
	      of the host addresses. The msk  and  mtch	 are  applied  to  the
	      client host address as follows:

	      if (( host_address & msk ) == mtch )
		 - service the client request
	      else
		 - drop the request

       hostadr1,...
	      You  may also specify zero or more specific host addresses to be
	      accepted as well as ones that pass the  msk,  mtch  test	above.
	      This  may	 only be done for transport protocols that are connec‐
	      tion based, such as TCP.	For the internet domain, msk, mtch and
	      hostadrs' are specified in internet dot notation.

       numprocs
	      Specifies	 how many servers to fork off. This may only be speci‐
	      fied for non-connection based protocols such as UDP.

       If neither -u or -t are specified, numprocs servers for	UDP  accepting
       requests	 from  all clients are started.	 If numprocs is not specified,
       it defaults to 1.

       For example:

       nfsd	      -u	    255.255.255.0,131.104.48.0,4	    -t
       255.255.0.0,131.104.0.0,131.102.31.2

       -      Serves  UDP  and TCP transports. For UDP, it runs 4 daemons that
	      accept requests from any client on subnet 131.104.48.  For  TCP,
	      it  accepts  connections from any client on network 131.104 plus
	      the client with the address 131.102.31.2.

       nfsd -u 255.255.240.0,131.104.0.0,6 -t 0,0

       -      Serves UDP and TCP transports.  For UDP, it runs 6 daemons  that
	      accept  requests	from  clients  with  addresses	in  the	 range
	      131.104.0.x - 131.104.15.x.  For	TCP,  it  accepts  connections
	      from any client.

       nfsd -u 0,0,4

       -      Serves any UDP client with 4 servers, only.

       nfsd 4

       -      Serves any UDP client with 4 servers, only. (Compatibility)

       A  server  should  typically  run  enough daemons to handle the maximum
       level of concurrency from its clients, typically four to six.

       Nfsd listens for service requests at the	 port  indicated  in  the  NFS
       server specification; see ``Network File System Protocol Specification,
       RFC1094''

SEE ALSO
       nfsstat(1), nfssvc(2), mountd(8), portmap(8)

BUGS
       The client host address restrictions specified here  are	 unrelated  to
       the mount restrictions specified in /etc/exports for mountd(8).

4.4 Berkeley Distribution	 June 24, 1990			       NFSD(8)
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