GaussDB 100 OLTP: 如何修改 SYS 用户的初始口令保障安全
墨天轮原文链接:https://www.modb.pro/db/12202?ywm
在完成 GaussDB 的安装之后,应该及时修改缺省的用户口令,避免发生安全问题。
缺省的系统存在两个帐号,SYS 是系统的 SYSDBA 用户,PUBLIC 是一个特殊都公用用户对象。
SQL> select username from dba_users;
USERNAME
------------------------------------------------------
SYS
PUBLIC
SYS 用户的缺省口令是: Changeme_123
[root@enmodb1 ~]# su - eygle
Last login: Wed Dec 4 22:41:05 CST 2019 on pts/1
[eygle@enmodb1 ~]$ zsql SYS/Changeme_123@127.0.0.1:1888
Warning: SSL connection to server without CA certificate is insecure. Continue anyway? (y/n):y
connected.
SQL> select * from v$version;
VERSION
----------------------------------------------------------------GaussDB_100_1.0.0.B019 Release 0b7bb43
ZENGINE
0b7bb43
3 rows fetched.SQL> **ALTER USER SYS IDENTIFIED BY ENmotech_100 REPLACE Changeme_123;**
Succeed.
SQL> connect SYS/ENmotech_100@127.0.0.1:1888
Warning: SSL connection to server without CA certificate is insecure. Continue anyway? (y/n):y
connected.
SQL>
这样就完成了数据库创建之后的第一个安全工作。