Fedora 18 introduced firewalld as a replacement for the previous iptables service. Since RHEL7 and Oracle Linux 7 are based on Fedora 19, the switch from iptables service to firewalld is now part of the Enterprise Linux distributions. This article is a rework of the previous Linux Firewall article, bringing it up to date.
Netfilter作为Linux内置的主机防火墙,它可以使用iptables命令处理IPv4协议,也可以使用ip6tables命令处理IPv6协议。在iptables之前,Linux 2.2中使用ipchains来配置防火墙,Linux 2…
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