[color=red][b]SeLinux[/b][/color]
[color=darkblue]sudo gedit /etc/selinux/config[/color]
修改成 SELINUX=disable 禁用SeLinux；修改成 SELINUX=enforcing 使用SeLinux
[color=blue][b]iptables[/b][/color]
[color=darkblue]sudo gedit /etc/sysconfig/iptables[/color]
CentOS:[color=darkblue]service iptables restart[/color] ,
Fedora17：重启;