一、关闭防火墙
1. 临时关闭（下次开机，防火墙自启动）
systemctl stop firewalld
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2. 查看防火墙状态
systemctl status firewalld
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3. 永久关闭防火墙（开机时，不再启动防火墙）
systemctl disable firewalld
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二、关闭 selinux
1. 查看 selinux 状态
getenforce
# 输出：Enforcing 启动状态
# 输出：Permissive 关闭状态
2. 临时关闭
# 查看关闭命令参数
setenforce
# 输出：usage: setenforce [ Enforcing | Permissive | 1 | 0 ] 1 表示启动，0 表示关闭
# 临时关闭
setenforce 0
3. 永久关闭 selinux （修改配置文件，即可永久关闭）
[root@localhost ~]# 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 修改为"SELINUX=disabled"
# SELINUXTYPE= can take one of three values:
# targeted - Targeted processes are protected,
# minimum - Modification of targeted policy. Only selected processes are protected.
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
ESC --> :wq 保存
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原文链接：https://blog.csdn.net/qq_33833327/article/details/130509033
