【安全】oracle 標準審計
oracle 標準審計
1 開啟和關閉審計(Enabling and Disabling Standard Auditing)
設定AUDIT_TRAIL引數,引數選型如下:
DB 啟動審計功能,並且把審計結果存放在資料庫的 SYS.AUD$ 表中
XML 啟動審計功能,並把審計結果存放在作業系統的xml檔案裡
DB,EXTENDED 具有DB/TRUE的功能,另外填寫AUD$的SQLBIND和SQLT EXT欄位
XML,EXTENDED 具有XML/TRUE的功能,另外SQLBIND和SQLT EXT欄位
OS 啟動審計功能,並把審計結果存放在作業系統的審計資訊中
NONE 關閉審計功能
ORACLE 10G 預設選項是NONE
ORACLE 11G 預設選項是OS
設定AUDIT_FILE_DEST引數
如果設定了AUDIT_TRAIL=OS or AUDIT_TRAIL=XML or AUDIT_TRAIL=XML,EXTENDED 需要該引數AUDIT_FILE_DEST
設定AUDIT_SYSLOG_LEVEL引數
可以參考maclean 的一片文章
2 審計分類
Level |
Effect |
Statement |
Causes auditing of specific SQL statements or groups of statements that affect a particular type of database object. For example, AUDIT TABLE audits the CREATE TABLE, TRUNCATE TABLE, COMMENT ON TABLE, and DELETE [FROM] TABLE statements. |
Privilege |
Audits SQL statements that are authorized by the specified system privilege. For example, AUDIT CREATE ANY TRIGGER audits statements issued using the CREATE ANY TRIGGER system privilege. |
Object |
Audits specific statements on specific objects, such as ALTER TABLE on the emp table. |
Network |
Audits unexpected errors in network protocol or internal errors in the network layer. |
審計選項
BY SESSION/BY ACCESS
BY SESSION 每個會話記錄一次
BY ACCESS 每訪問一次記錄一次
BY USER 指定使用者
WHENEVER SUCCESSFUL/WHENEVER NOT SUCCESSFUL
成功/失敗
(1) 語句審計 Statement
--session
AUDIT SESSION;
AUDIT SESSION BY jeff, lori;
--DDL
AUDIT CREATE TABLE
--DML
AUDIT SELECT TABLE
取消審計
NOAUDIT SESSION;
NOAUDIT SESSION BY jeff, lori;
--DDL
NOAUDIT CREATE TABLE
--DML
NOAUDIT SELECT TABLE
AUDIT ALL;---開啟全部語句審計
NOAUDIT ALL;--關閉全部審計
查詢設定選項檢視--DBA_STMT_AUDIT_OPTS
審計記錄查詢檢視--DBA_AUDIT_TRAIL,DBA_AUDIT_SESSION,DBA_AUDIT_STATEMENT
(2) 許可權審計 Privilege
審計語句
AUDIT DELETE ANY TABLE
BY ACCESS
WHENEVER NOT SUCCESSFUL;
AUDIT DELETE ANY TABLE;
AUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE, EXECUTE PROCEDURE
BY ACCESS
WHENEVER NOT SUCCESSFUL;
取消審計
NOAUDIT DELETE ANY TABLE
BY ACCESS
WHENEVER NOT SUCCESSFUL;
NOAUDIT DELETE ANY TABLE;
NOAUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE, EXECUTE PROCEDURE
BY ACCESS
WHENEVER NOT SUCCESSFUL;
AUDIT ALL PRIVILEGES;--開啟全部許可權審計
NOAUDIT ALL PRIVILEGES;--關閉全部許可權審計
--查詢設定選項檢視--DBA_PRIV_AUDIT_OPTS
-- 審計記錄查詢檢視--DBA_AUDIT_TRAIL
注意改審計是使用該許可權時觸發 而不是首選觸發 當與語句審計重複是 語句審計優先
(3) 物件審計
審計語句:
AUDIT DELETE ON jeff.emp;
AUDIT SELECT, INSERT, DELETE
ON jward.dept
BY ACCESS
WHENEVER SUCCESSFUL;
AUDIT SELECT
ON DEFAULT
WHENEVER NOT SUCCESSFUL;
取消審計語句
NOAUDIT DELETE ON jeff.emp;
NOAUDIT SELECT, INSERT, DELETE
ON jward.dept
BY ACCESS
WHENEVER SUCCESSFUL;
NOAUDIT SELECT
ON DEFAULT
WHENEVER NOT SUCCESSFUL;
AUDIT ALL
ON emp;
NOAUDIT ALL
ON emp;
查詢設定選項檢視--DBA_OBJ_AUDIT_OPTS
審計記錄查詢檢視--DBA_AUDIT_TRAIL,DBA_AUDIT_OBJECT
(4) 網路審計
3 刪除審計記錄
DELETE FROM SYS.AUD$;
DELETE FROM SYS.AUD$
WHERE obj$name='EMP';
4 相關檢視:
View |
Description |
STMT_AUDIT_OPTION_MAP |
Contains information about auditing option type codes. Created by the SQL.BSQ script. at CREATE DATABASE time. |
AUDIT_ACTIONS |
Contains descriptions for audit trail action type codes. |
ALL_DEF_AUDIT_OPTS |
Contains default object-auditing options that will be applied when objects are created. |
DBA_STMT_AUDIT_OPTS |
Describes current system auditing options across the system and by user. |
DBA_PRIV_AUDIT_OPTS |
Describes current system privileges being audited across the system and by user. |
DBA_OBJ_AUDIT_OPTS USER_OBJ_AUDIT_OPTS |
Describes auditing options on all objects. The USER view describes auditing options on all objects owned by the current user. |
DBA_AUDIT_TRAIL USER_AUDIT_TRAIL |
Lists all audit trail entries. The USER view shows audit trail entries relating to current user. |
DBA_AUDIT_OBJECT USER_AUDIT_OBJECT |
Contains audit trail records for all objects in the system. The USER view lists audit trail records for statements concerning objects that are accessible to the current user. |
DBA_AUDIT_SESSION USER_AUDIT_SESSION |
Lists all audit trail records concerning CONNECT and DISCONNECT. The USER view lists all audit trail records concerning connections and disconnections for the current user. |
DBA_AUDIT_STATEMENT USER_AUDIT_STATEMENT |
Lists audit trail records concerning GRANT, REVOKE, AUDIT, NOAUDIT, and ALTER SYSTEM statements throughout the database, or for the USER view, issued by the user. |
DBA_AUDIT_EXISTS |
Lists audit trail entries produced BY AUDIT NOT EXISTS. |
DBA_AUDIT_POLICIES |
Shows all the auditing policies on the system. |
DBA_FGA_AUDIT_TRAIL |
Lists audit trail records for value-based auditing. |
DBA_COMMON_AUDIT_TRAIL |
Combines standard and fine-grained audit log records, and includes SYS and mandatory audit records written in XML format. |
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