1、关闭默认防火墙
- systemctl stop firewalld.service #停止firewall
- systemctl disable firewalld.service #禁止firewall开机启动
- firewall-cmd --state #查看默认防火墙状态(关闭后显示notrunning,开启后显示running)
- 建议不要使用默认防火墙,配置iptables防火墙,参考:http://gqsunrise.iteye.com/blog/2370140
2、修改安装目录下的listener.ora(/oracle/product/**/network/admin/listener.ora)
修改前: LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) ) )
修改后: SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = /oracle/product/11.2.0/db_1/) (SID_NAME = orcl) ) (SID_DESC = (GLOBAL_DBNAME = orcl) (ORACLE_HOME = /oracle/product/11.2.0/db_1/) (SID_NAME = orcl) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) ) )
3、重启监听、重启Oracle服务