rpcinfo

Question 1

-p

Answer 1

Probe the portmapper on host, and print a list of all registered RPC programs. If host is not specified, it defaults to the value returned by hostname(1).

Question 2

-u

Answer 2

Make an RPC call to procedure 0 of program on the specified host using UDP, and report whether a response was received.

Question 3

-t

Answer 3

Make an RPC call to procedure 0 of program on the specified host using TCP, and report whether a response was received.

Question 4

-n

Answer 4

Use portnum as the port number for the -t and -u options instead of the port number given by the portmapper.

Question 5

-b

Answer 5

Make an RPC broadcast to procedure 0 of the specified program and version using UDP and report all hosts that respond.

Question 6

-d

Answer 6

Delete registration for the RPC service of the specified program and version. This option can be exercised only by the super-user.