Reprinted from the article: http://my.oschina.net/u/593517/blog/297941
Note: In this centos6.4 (CentOS-6.4-x86_64-bin-DVD1.iso) Example.
CentOS firewall configuration operation instance (start, stop, open and close the port):
Note: The basic operation command of the firewall:
Firewall status query:
[root@localhost ~]# service iptables status<回车>
Stop Firewall:
[the root @localhost ~] # iptables STOP-Service <Enter>
Start Firewall:
[root@localhost ~]# service iptables start <回车>
Restart the firewall:
[root@localhost ~]# service iptables restart <回车>
Permanently turn off the firewall:
[root@localhost ~]# chkconfig iptables off<回车>
After permanently closed to enable:
[root@localhost ~]# chkconfig iptables on<回车>
1. Check the firewall status
[root@localhost ~]# service iptables status<回车>
2, edit / etc / sysconfig / iptables file. We instances to open ports 8080 and 9990
Open / etc / sysconfig / iptables using an editor
3, Yihuhuhuapiao, we add the 8080 and 9990 ports
4, save the / etc / sysconfig / iptables file, and perform terminal
[root@localhost ~]# service iptables restart <回车>
5, the new view firewall status
[root@localhost ~]# service iptables status<回车>
6, this time, 8080 and 9990 servers port can begin to provide the service.
7, open mode is similar to the other ports so open mode