設定 Oracle 監聽器密碼(LISTENER)

設定 Oracle 監聽器密碼(LISTENER)

    監聽器也有安全？Sure！在預設的情況下，任意使用者不需要使用任何密碼即透過lsnrctl 工具對Oracle Listener進行操作或關閉，從
而造成任意新的會話都將無法建立連線。在Oracle 9i 中Oracle監聽器允許任何一個人利用lsnrctl從遠端發起對監聽器的管理。也容易導致數
據庫受到損壞。

1. 未設定密碼情形下停止監聽       

[oracle@test ~]$ lsnrctl stop listener_demo92   -->停止監聽，可以看出不需要任何密碼即可停止   
                                                                                             
LSNRCTL for Linux: Version 9.2.0.8.0 - Production on 26-JUN-2011 08:22:26                    
                                                                                             
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