TNS-Names Settings

/opt/ora10g/product/10.2.0/client_1/network/admin/tnsnames.ora

suresh1 =
 (DESCRIPTION =
  (ADDRESS_LIST =
   (ADDRESS = (PROTOCOL = TCP)(HOST = IP-Address)(PORT = 1524))
  )
  (CONNECT_DATA =
   (SERVER = DEDICATED)
   (SERVICE_NAME = suresh1.sureshdomain.com)
  )
 )