USER     COMMAND    PID   FD PROTO  LOCAL ADDRESS         FOREIGN ADDRESS
root     sendmail   671   3  tcp4   127.0.0.1:25          *:*
root     sshd       668   4  tcp6   *:22                  *:*
root     sshd       668   4  tcp4   *:22                  *:*
?        ?          ?     ?  udp6   *:2049                *:*