# listener.ora Network Configuration File: d:\oracle\product\10.2.0\db_1\network\admin\listener.ora# Generated by Oracle configuration tools.SID_LIST_LISTENER =  (SID_LIST =    (SID_DESC =      (SID_NAME = ORCL)      (ORACLE_HOME = d:\oracle\product\10.2.0\db_1)    )  )LISTENER =  (DESCRIPTION_LIST =    (DESCRIPTION =      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))      (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))    )  )