centos关闭防火墙
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help
2022-03-18 03:22
CentOS6:
首先查看防火墙状态:
service iptables status
永久性生效,重启后不会复原
开启:
chkconfig iptables on
关闭:
chkconfig iptables off
即时生效,重启后复原
开启:
service iptables start
关闭:
service iptables stop
设置后重启:
reboot
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CentOS7:
临时关闭防火墙
systemctl stop firewalld
永久关闭防火墙的开机自启动
systemctl disable firewalld
临时打开防火墙
systemctl start firewalld
防火墙开机启动
systemctl enable firewalld
查看防火墙状态
systemctl status firewalld
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CentOS7开启和关闭端口
开启2333端口
firewall-cmd --zone=public --add-port=2333/tcp --permanent
更新防火墙规则使刚刚添加的2333端口生效
firewall-cmd --reload
查看开放的端口列表
firewall-cmd --list-ports
关闭2333端口
firewall-cmd --zone=public --remove-port=2333/tcp --permanent
更新防火墙规则使用刚刚删除的端口关闭
firewall-cmd --reload