Someone

cat listener.ora

# listener.ora Network Configuration File: /u02/app/oracle/product/10.1.2/ocs/infra/network/admin/listener.ora

# Generated by Oracle configuration tools.



SID_LIST_LISTENER =

  (SID_LIST =

    (SID_DESC =

      (SID_NAME = PLSExtProc)

      (ORACLE_HOME = /u02/app/oracle/product/10.1.2/ocs/infra)

      (PROGRAM = extproc)

    )

  )



LISTENER =

  (DESCRIPTION_LIST =

    (DESCRIPTION =

      (ADDRESS_LIST =

        (ADDRESS = (PROTOCOL = TCP)(HOST = orc1.dominio.com.br)(PORT = 1521))

      )

      (ADDRESS_LIST =

        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))

      )

    )

  )