centos7 防火墙及端口

查看防火墙状态：web firewall-cmd -- state 关闭防火墙：sql systemctl stop firewall.service 开启防火墙：ruby systemctl start firewall.service 禁止开机启动：服务器 systemctl disable firewall.service 查看开放的端口：tcp firewall-cmd --list-po

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