Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PARUS127)(PORT=1521)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   64-bit Windows Error: 61: Unknown error

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
               (ADDRESS = (PROTOCOL = TCP)(HOST = RARUS127)(PORT = 1521))
      )
    )
  )

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
	(SID_NAME = SUD_MED)
    )
  )

SUD_MED =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = RARUS127)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SID = SUD_MED)
    )
  )

ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )

#SQLNET.AUTHENTICATION_SERVICES = (NTS)

ODKB1 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 1xx.1xx.2.58)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ODKB1)
    )
  )

ONKO =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 8x.1xx.5x.1xx)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SID = ONKO )
    )
  )
 
SUD_MED =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = RARUS127)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SID = SUD_MED)
    )
  )

#SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)