debugger listener

hello,windows 2003 server
Oracle 11g
I should to configurate the listener for debugger, but i don't know add this service and port 4000 o others parameters  to file listener.ora.

Ths file listener.ora :

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = extproc)
      (ORACLE_HOME = E:\app\Administrador\product\11.2.0\dbhome_2)
      (ENVS = "EXTPROC_DLLS=ANY")
      (PROGRAM = extproc)
     )
)
    (SID_DESC =
      (GLOBAL_DBNAME = BD)
      (ORACLE_HOME = E:\app\Administrador\product\11.2.0\dbhome_2)
      (SID_NAME = BD)
    )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = hos)(PORT = 1526))
      (ADDRESS = (PROTOCOL = TCP)(HOST =host)(PORT = 4000))
      (ADDRESS = (PROTOCOL = IPC)(KEY = extproc))
    )
  )