一，iptables的启用
[root@200 Desktop]# systemctl stop firewalld >>>>>首先要关闭firewalld [root@200 Desktop]# systemctl disable firewalld rm '/etc/systemd/system/basic.target.wants/firewalld.service' rm '/etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service' [root@200 Desktop]# systemctl start iptables.service >>>>>开启iptables [root@200 Desktop]# systemctl enable iptables.service ln -s '/usr/lib/systemd/system/iptables.service' '/etc/systemd/system/basic.target.wants/iptables.service' [root@200 Desktop]# systemctl s
