linux-防火墙
2022/8/31 5:22:58
本文主要是介绍linux-防火墙,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
防火墙常用命令
安装Firewall命令:
yum install firewalld firewalld-config
Firewall开启常见端口命令:
firewall-cmd –zone=public –add-port=80/tcp –permanent firewall-cmd –zone=public –add-port=443/tcp –permanent firewall-cmd –zone=public –add-port=22/tcp –permanent firewall-cmd –zone=public –add-port=21/tcp –permanent firewall-cmd –zone=public –add-port=53/udp –permanent
Firewall关闭常见端口命令
firewall-cmd –zone=public –remove-port=80/tcp –permanent firewall-cmd –zone=public –remove-port=443/tcp –permanent firewall-cmd –zone=public –remove-port=22/tcp –permanent firewall-cmd –zone=public –remove-port=21/tcp –permanent firewall-cmd –zone=public –remove-port=53/udp –permanent
批量添加区间端口
firewall-cmd –zone=public –add-port=4400-4600/udp –permanent firewall-cmd –zone=public –add-port=4400-4600/tcp –permanent
开启防火墙命令:
W
**重启防火墙命令:**
firewall-cmd –reload 或者 service firewalld restart
查看放行端口:
firewall-cmd --list-ports
**禁用防火墙**
systemctl stop firewalld
**设置开机启动**
systemctl enable firewalld
**停止并禁用开机启动**
sytemctl disable firewalld
**查看状态**
systemctl status firewalld或者 firewall-cmd –state
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