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  • 初學者必讀:Oracle監聽口令及監聽器安全[1]

    發表于:2008-07-21來源:作者:點擊數: 標簽:oracleOracleORACLE安全措施口令
    初學者必讀:Oracle監聽口令及監聽器 安全 [1] 作者:Andy 來源:賽迪網 很多人都知道,Oracle的監聽器一直存在著一個安全隱患,假如不設置安全措施,那么能夠訪問的用戶就可以遠程關閉監聽器。 相關示例: D:\lsnrctl stop eygle LSNRCTL for 32-bit Window

    初學者必讀:Oracle監聽口令及監聽器安全[1]

    作者:Andy 來源:賽迪網

      很多人都知道,Oracle的監聽器一直存在著一個安全隱患,假如不設置安全措施,那么能夠訪問的用戶就可以遠程關閉監聽器。

      相關示例:

      D:\>lsnrctl stop eygle
      LSNRCTL for 32-bit Windows: Version 10.2.0.3.0 - Production on 28-11月-2007 10:02:40
      Copyright (c) 1991, 2006, Oracle. All rights reserved.
      正在連接到 (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.33.11)(PORT=1521))
      (CONNECT_DATA=(SERVICE_NAME=eygle)))
      命令執行成功

      大家可以發現,此時缺省的監聽器的日志還無法記錄操作地址:

      No longer listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.33.11)(PORT=1521)))
      28-NOV-2007 09:59:20 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=Administrator))(COMMAND=stop)
      (ARGUMENTS=64)(SERVICE=eygle)(VERSION=169870080)) * stop * 0

      為了更好的保證監聽器的安全,大家最好為監聽設置密碼:

      [oracle@jumper log]$ lsnrctl
      LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 28-NOV-2007 10:18:17
      Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
      Welcome to LSNRCTL, type "help" for information.
      LSNRCTL> set current_listener listener
      Current Listener is listener
      LSNRCTL> change_password
      Old password:
      New password:
      Reenter new password:
      Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.33.11)(PORT=1521)))
      Password changed for listener
      The command completed suclearcase/" target="_blank" >ccessfully
      LSNRCTL> set password
      Password:
      The command completed successfully
      LSNRCTL> save_config
      Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.33.11)(PORT=1521)))
      Saved LISTENER configuration parameters.
      Listener Parameter File /opt/oracle/product/9.2.0.network/admin/listener.ora
      Old Parameter File /opt/oracle/product/9.2.0/network/admin/listener.bak
      The command completed successfully

    原文轉自:http://www.kjueaiud.com

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