CentOS 7安装配置iptables笔记

Posted 2020-09-23 myway_liang

1.关闭firewall
  #停止firewall
   systemctl stop firewall.service
  #禁止firewall开机启动
   systemctl disable firewall.service
2.安装iptables
  #安装iptables
   yum install iptables-services -y
  #编辑防火墙文件
   vi /etc/sysconfig/iptables
  添加80和3306端口
   -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT 
   -A INPUT -m state –state NEW -m tcp -p tcp –dport 3306 -j ACCEPT
  #重启防火墙使配置文件生效
   systemctl restart iptables.service
  #设置iptables防火墙为开机启动项
   systemctl enable iptables.service

3.关闭SELINUX
  vi /etc/selinux/config
   #注释以下配置
   SELINUX=enforcing
   SELINUXTYPE=targeted
   #增加以下配置
   SELINUX=disabled
  :wq!
   #使配置立即生效
  setenforce 0