Centos7引入了新的防火墙firewalld, iptables被取代

Centos7引入了新的防火墙firewalld, iptables被取代

 

安装Centos 7之后,使用下面的命令来管理iptables,也就是linux经典的防火墙

$ sudo service iptables status

Redirecting to /bin/systemctl status  iptables.service
iptables.service
   Loaded: not-found (Reason: No such file or directory)
   Active: inactive (dead)

说找不到这个服务,这就奇怪了,这个向来都是系统内置,不需要另外安装的,这怎么不存在,后来上网查了查,才知道

自centos7之后引入了新的服务叫做firewalld

关于firewall的简单的介绍:

The dynamic firewall daemon firewalld provides a dynamically managed firewall with support for network zones to assign a level of trust to a network and its associated connections and interfaces. It has support for IPv4 and IPv6 firewall settings. It supports Ethernet bridges and has a separation of runtime and permanent configuration options. It also has an interface for services or applications to add firewall rules directly.

更多的关于firewalld的知识,强参看:

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Security_Guide/sec-Using_Firewalls.html

 

 

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