# listener.ora Network Configuration File: SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = PLSExtProc) (ORACLE_HOME = /usr/lib/oracle/xe/app/oracle/product/10.2.0/server) (PROGRAM = extproc) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE)) (ADDRESS = (PROTOCOL = TCP)(HOST = OB2.33)(PORT = 1521)) ) ) DEFAULT_SERVICE_LISTENER = (XE)