CentOS 7 防火墙相关命令 - V2EX
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sam8818
V2EX    CentOS

CentOS 7 防火墙相关命令

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  •   sam8818 2017-10-13 17:26:12 +08:00 2155 次点击
    这是一个创建于 2926 天前的主题,其中的信息可能已经有所发展或是发生改变。

    先安装防火墙

    yum -y install firewalld 

    启动:

    systemctl start firewalld.service 

    关闭:

    systemctl stop firewalld.service 

    重启:

    systemctl restart firewalld.service  

    显示状态:

    systemctl status firewalld.service 

    加入开机启用:

    systemctl enable firewalld.service 

    开机不启动:

    systemctl disable firewalld.service 

    查看服务是否开机启动:

    systemctl is-enabled firewalld.service 

    查看已启动的服务列表:

    systemctl list-unit-files|grep enabled 

    查看启动失败的服务列表:

    systemctl --failed 

    查看防火墙所有状态

    firewall-cmd --zOne=public --list-all 

    添加端口后重启防火墙的命令

    firewall-cmd --reload 

    永久开启固定端口

    firewall-cmd --permanent --zOne=public --add-port=8080/tcp 

    永久删除固定端口

    firewall-cmd --permanent --zOne=public --remove-port=8080/tcp 

    查看防火墙开启的服务

    firewall-cmd --list-services 

    永久开启 http 服务

    firewall-cmd --add-service http firewall-cmd --permanent --add-service http 

    防火墙配置文件

    vim /etc/sysconfig/iptables 

    ==================================

    # 配置文件中加入允许访问的单个端口 -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT # 配置文件中加入允许访问的多个端口 -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 6379:7000 -j ACCEPT # 关闭指定端口 -A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j DROP 

    ==================================

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