Centos7中防火墙相关命令
查看iptables状态:
iptables -L
iptables -t nat -L
关闭iptavles:
iptables -F
iptables -t nat -F
关闭selinux:
setnforce 0
查看selinux:
getnforce
防火墙
启动: systemctl start firewalld
查看状态: systemctl status firewalld
停止: systemctl disable firewalld.service
禁用: systemctl stop firewalld.service
查看版本:firewall-cmd —version
查看帮助: firewall-cmd —help
显示状态: firewall-cmd —state
查看所有打开的端口: firewall-cmd —zone=public —list-ports
拒绝所有包:firewall-cmd —panic-on
取消拒绝状态: firewall-cmd —panic-off
查看是否拒绝: firewall-cmd —query-panic
添加端口
firewall-cmd —zone=public —add-port=80/tcp —permanent
(–permanent永久生效,没有此参数重启后失效)
重新载入: firewall-cmd —reload
查看: firewall-cmd —zone=public —query-port=80/tcp
删除: firewall-cmd —zone=public —remove-port=80/tcp —permanent
查看所有打开的端口
firewall-cmd —zone=public —list-ports
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