使用iptables建设Linux防火墙
防火墙是一套可以在两个或两个以上的网络之间,显着区隔出实体线路联机的软硬件设备组合。被区隔开来的网络,可以透过封包转送技术来彼此通信,透过防火墙的安全管理机制,可以决议哪些资料可以流转,哪些资料无法流转,藉此到达网络安全维护的意图。使用iptables建设Linux防火墙..pdf
(A firewall is a set of hardware and software devices that can significantly separate the physical line connection between two or more networks. The separated networks can communicate with each other through packet forwarding technology. Through the security management mechanism of the firewall, it is possible to decide which data can flow and which data cannot flow, so as to achieve the purpose of network security maintenance.
Using iptables to build a Linux firewall..pdf)
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