20230207-Oracle数据库限制访问IP

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测试Oracle数据库限制访问IP
限制之前10.1.13.38、10.1.13.165可以远程访问10.1.13.151数据库。

10.1.13.38

sqlplus username/***@10.1.13.151:port/instance_name
SQL*Plus: Release 11.2.0.4.0 Production on Mon Jun 27 16:22:25 2022
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
SQL> exit

10.1.13.165

sqlplus username/***@10.1.13.151:port/instance_name
SQL*Plus: Release 11.2.0.4.0 Production on Mon Jun 27 16:20:32 2022
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
SQL>

限制10.1.13.151数据库IP访问来源

cd $ORACLE_HOME/network/admin
ls
listener.ora listener.ora.bak samples shrept.lst tnsnames.ora tnsnames.ora.bak

vi sqlnet.ora

#开启IP限制功能
tcp.validnode_checking=yes
#允许访问数据库IP地址列表
tcp.invited_nodes(10.1.13.151,127.0.0.1,10.1.13.38,192.168.1.10)

重启监听

lsnrctl stop
lsnrctl start
lsnrctl reload

手动注册监听

sqlplus / as sysdba
alter system register;

查看监听状态

lsnrctl status

验证

10.1.13.165无法远程151数据库

sqlplus username/***@10.1.13.151:port/instance_name
SQL*Plus: Release 11.2.0.4.0 Production on Mon Jun 27 16:30:06 2022
Copyright (c) 1982, 2013, Oracle. All rights reserved.
ERROR:
ORA-12547: TNS:lost contact
Enter user-name:

10.1.13.38可以远程访问151数据库

sqlplus username/***@10.1.13.151:port/instance_name
SQL*Plus: Release 11.2.0.4.0 Production on Mon Jun 27 16:32:27 2022
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
SQL> exit

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