rpcbind man page on PC-BSD

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RPCBIND(8)		  BSD System Manager's Manual		    RPCBIND(8)

NAME
     rpcbind — universal addresses to RPC program number mapper

SYNOPSIS
     rpcbind [-6adiLls] [-h bindip]

DESCRIPTION
     The rpcbind utility is a server that converts RPC program numbers into
     universal addresses.  It must be running on the host to be able to make
     RPC calls on a server on that machine.

     When an RPC service is started, it tells rpcbind the address at which it
     is listening, and the RPC program numbers it is prepared to serve.	 When
     a client wishes to make an RPC call to a given program number, it first
     contacts rpcbind on the server machine to determine the address where RPC
     requests should be sent.

     The rpcbind utility should be started before any other RPC service.  Nor‐
     mally, standard RPC servers are started by port monitors, so rpcbind must
     be started before port monitors are invoked.

     When rpcbind is started, it checks that certain name-to-address transla‐
     tion-calls function correctly.  If they fail, the network configuration
     databases may be corrupt.	Since RPC services cannot function correctly
     in this situation, rpcbind reports the condition and terminates.

     The rpcbind utility can only be started by the super-user.

OPTIONS
     -6	     Bind to AF_INET6 (IPv6) addresses only.

     -a	     When debugging (-d), do an abort on errors.

     -d	     Run in debug mode.	 In this mode, rpcbind will not fork when it
	     starts, will print additional information during operation, and
	     will abort on certain errors if -a is also specified.  With this
	     option, the name-to-address translation consistency checks are
	     shown in detail.

     -h bindip
	     Specify specific IP addresses to bind to for TCP and UDP
	     requests.	This option may be specified multiple times and is
	     typically necessary when running on a multi-homed host.  If no -h
	     option is specified, rpcbind will bind to INADDR_ANY, which could
	     lead to problems on a multi-homed host due to rpcbind returning a
	     UDP packet from a different IP address than it was sent to.  Note
	     that when specifying IP addresses with -h, rpcbind will automati‐
	     cally add 127.0.0.1 and if IPv6 is enabled, ::1 to the list.

     -i	     “Insecure” mode.  Allow calls to SET and UNSET from any host.
	     Normally rpcbind accepts these requests only from the loopback
	     interface for security reasons.  This change is necessary for
	     programs that were compiled with earlier versions of the rpc
	     library and do not make those requests using the loopback inter‐
	     face.

     -L	     Allow old-style local connections over the loopback interface.
	     Without this flag, local connections are only allowed over a
	     local socket, /var/run/rpcbind.sock.

     -l	     Turn on libwrap connection logging.

     -s	     Cause rpcbind to change to the user daemon as soon as possible.
	     This causes rpcbind to use non-privileged ports for outgoing con‐
	     nections, preventing non-privileged clients from using rpcbind to
	     connect to services from a privileged port.

NOTES
     All RPC servers must be restarted if rpcbind is restarted.

FILES
     /var/run/rpcbind.sock

SEE ALSO
     rpcbind(3), netconfig(5), rpcinfo(8)

BSD				April 23, 2007				   BSD
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