Linux系统配置Oracle数据库防火墙配置

1.以ROOT用户登陆到服务器

 

2.VI命令编辑防火墙配置文件

[root@zhuisu sysconfig]#vi /etc/sysconfig/iptables

 

# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 1521 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited

COMMIT

3.按wq! 退出

4、保存后重启防火墙

[root@zhuisu sysconfig]service iptables restart

 

5.也可以使用telnet 服务器IP地址 1521测试是否开启