CentOS7关闭防火墙、Linux开启关闭防火墙 - 详解

文章目录

一、firewalld开启、关闭防火墙

以下命令在linux系统CentOS7中操作开启关闭防火墙

# 查询防火墙状态
systemctl status firewalld.service
# 开启防火墙
systemctl start firewalld.service
# 开机自启动防火墙
systemctl enable firewalld.service
# 关闭防火墙
systemctl stop firewalld.service
# 禁止firewalld服务在系统启动时自动启动
systemctl disable firewalld.service

1、查看防火墙状态

在这里插入图片描述

  • active（running）：说明防火墙打开
  • disavtive（dead）：说明防火墙关闭

执行日志：

[root@localhost ~]# systemctl status firewalld.service
● firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
Active: active (running) since 四 2025-06-05 01:54:51 CST; 10min ago
Docs: man:firewalld(1)
Main PID: 3489 (firewalld)
Tasks: 2
CGroup: /system.slice/firewalld.service
└─3489 /usr/bin/python2 -Es /usr/sbin/firewalld --nofork --nopid
6月 05 01:54:51 localhost.localdomain systemd[1]: Starting firewalld - dynamic fir....
6月 05 01:54:51 localhost.localdomain systemd[1]: Started firewalld - dynamic fire....
6月 05 01:54:52 localhost.localdomain firewalld[3489]: WARNING: AllowZoneDrifting ....
6月 05 01:54:58 localhost.localdomain firewalld[3489]: WARNING: ALREADY_ENABLED: ssh
6月 05 01:55:07 localhost.localdomain firewalld[3489]: WARNING: AllowZoneDrifting ....
Hint: Some lines were ellipsized, use -l to show in full.
[root@localhost ~]# systemctl stop firewalld.service
[root@localhost ~]# systemctl status firewalld.service
● firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
Active: inactive (dead)
Docs: man:firewalld(1)
6月 05 01:54:51 localhost.localdomain systemd[1]: Starting firewalld - dynamic fir....
6月 05 01:54:51 localhost.localdomain systemd[1]: Started firewalld - dynamic fire....
6月 05 01:54:52 localhost.localdomain firewalld[3489]: WARNING: AllowZoneDrifting ....
6月 05 01:54:58 localhost.localdomain firewalld[3489]: WARNING: ALREADY_ENABLED: ssh
6月 05 01:55:07 localhost.localdomain firewalld[3489]: WARNING: AllowZoneDrifting ....
6月 05 02:05:48 localhost.localdomain systemd[1]: Stopping firewalld - dynamic fir....
6月 05 02:05:50 localhost.localdomain systemd[1]: Stopped firewalld - dynamic fire....
Hint: Some lines were ellipsized, use -l to show in full.
[root@localhost ~]#
[root@localhost ~]# ^C
[root@localhost ~]#

posted on 2025-10-07 21:42  slgkaifa  阅读(16)  评论(0)    收藏  举报

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