tcp.invited_nodes白名单配置
tcp.validnode_checking=yes
sqlnet.encryption
SQLNET.EXPIRE_TIME=10
tcp.invited_nodes=(10.2.20.25,10.2.60.20,10.2.60.0/24,10.2.200.0/22) --一定要写自己主机的IP地址啊@！！！！！！！！！！！
sqlnet.inbound_connect_timeout=30
使用10.2.248.x网段进行连接主机数据库如下：
bash-3.2$ sqlplus system/cmcc#2019@eoms39
SQL*Plus: Release 11.2.0.4.0 Production on Wed Dec 9 15:19:54 2020
Copyright (c) 1982, 2013, Oracle. All rights reserved.
ERROR:
ORA-12537: TNS:connection closed
在sqlnet.ora中添加如下开放限制
tcp.invited_nodes=(10.2.201.25,10.2.60.208,10.2.60.0/24,10.2.200.0/22,10.2.248.0/24)
重启监听
lsnrctl stop
lsnrctl start
重试连接
bash-3.2$ sqlplus system/cc#2019@eo39
SQL*Plus: Release 11.2.0.4.0 Production on Wed Dec 9 15:21:14 2020
Copyright (c) 1982, 2013, Oracle. All rights reserved.
ERROR:
ORA-28002: the password will expire within 7 days
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
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