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Change the iptables Setup for Oracle in Linux

原创 Oracle 作者:pondka 时间:2011-06-08 16:34:17 0 删除 编辑

After the installation of Linux, the firewall is enabled by default. After we install the database, we need to enable the port.


To enable the port in iptables, there are two ways to do that.

1. We can enable it at run time.After run the command, the rule will take effect immediately. But if we do not write it into the configuration file, then the rule disappear after we restart the service.

iptables -I INPUT -p tcp --dport 1521 -j ACCEPT

2. We can change the configuration file and restart the iptables.

Modify file /etc/sysconfig/iptables. Add a line:

-A INPUT -p tcp -m tcp --dport 1521 -j ACCEPT

immediately follow the line

:RH-Firewall-1-INPUT - [0:0]

Then restart the service:

service iptables restart

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