Mainly used to record Java, DBMS, HDFS... related learning notes
firewalld 的基本使用
#启动
systemctl start firewalld
#关闭
systemctl stop firewalld
#查看状态
systemctl status firewalld
#开机禁用
systemctl disable firewalld
#开机启用
systemctl enable firewalld
iptables
# 查看防火墙状态
service iptables status
# 停止防火墙
service iptables stop
# 启动防火墙
service iptables start
# 重启防火墙
service iptables restart
# 永久关闭防火墙
chkconfig iptables off
# 永久关闭后重启
chkconfig iptables on