[root@activate /]# rpcinfo -p mailbox
   program vers proto   port
    100000    2   tcp    111  portmapper
    100000    2   udp    111  portmapper
    100024    1   udp   1093  status
    100024    1   tcp   3296  status
    100003    2   udp   2049  nfs
    100003    3   udp   2049  nfs
    100003    4   udp   2049  nfs
    100003    2   tcp   2049  nfs
    100003    3   tcp   2049  nfs
    100003    4   tcp   2049  nfs
    100021    1   udp   1094  nlockmgr
    100021    3   udp   1094  nlockmgr
    100021    4   udp   1094  nlockmgr
    100021    1   tcp   3532  nlockmgr
    100021    3   tcp   3532  nlockmgr
    100021    4   tcp   3532  nlockmgr
    100005    1   udp    630  mountd
    100005    1   tcp    633  mountd
    100005    2   udp    630  mountd
    100005    2   tcp    633  mountd
    100005    3   udp    630  mountd
    100005    3   tcp    633  mountd