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站点添加及linux防火墙和selinux启动和停止

apache站点添加

 linux系统防火墙和selinux起停

1、防火墙firewall操作

  查看防火墙的状态，如下（默认开启）：
  systemctl status firewalld
  关闭服务

  systemctl stop firewalld
  关闭开机自动开启FireWall服务
  systemctl disable firewalld

  2、selinux操作

  查看SELinux的状态，如下（默认开启）：
  getenforce       开启状态为Enforcing
  单次修改，重启失效：
  setenforce 0
  永久修改：
  vi /etc/selinux/config
  # This file controls the state of SELinux on the system.
  # SELINUX= can take one of these three values:
  # enforcing - SELinux security policy is enforced.
  # permissive - SELinux prints warnings instead of enforcing.
  # disabled - No SELinux policy is loaded.
  SELINUX=enforcing 
  # SELINUXTYPE= can take one of three two values:
  # targeted - Targeted processes are protected,
  # minimum - Modification of targeted policy. Only selected processes are protected.
  # mls - Multi Level Security protection.
  SELINUXTYPE=targeted
  将enforcing改为disabled，保存退出