   program vers proto   port  service
    100000    4   tcp    111  portmapper
    100000    3   tcp    111  portmapper
    100000    2   tcp    111  portmapper
    100000    4   udp    111  portmapper
    100000    3   udp    111  portmapper
    100000    2   udp    111  portmapper
    100024    1   udp  47905  status
    100024    1   tcp  49581  status
    100007    2   udp    875  ypbind
    100007    1   udp    875  ypbind
    100007    2   tcp    878  ypbind
    100007    1   tcp    878  ypbind
    100021    1   udp  35211  nlockmgr
    100021    3   udp  35211  nlockmgr
    100021    4   udp  35211  nlockmgr
    100021    1   tcp  52333  nlockmgr
    100021    3   tcp  52333  nlockmgr
    100021    4   tcp  52333  nlockmgr
