使用的是FIREWALL防火墙
安装防火墙
yum install firewalld firewalld-config
开启防火墙
systemctl start firewalld.service
排除端口
firewall-cmd –zone=public –add-port=80/tcp –permanent
命令含义:
–zone #作用域
–add-port=80/tcp #排除端口,格式为:端口/通讯协议
–permanent #永久生效,没有此参数重启后失效
防火墙重启
firewall-cmd –reload
关闭端口
firewall-cmd –zone=public –remove-port=80/tcp –permanent
批量添加区间端口
firewall-cmd –zone=public –add-port=4400-4600/udp –permanent
查看防火墙排除端口
firewall-cmd –permanent –list-port