The subnet filtrationis applied to the firewall, which is made up of inside and outside filtering router and bastion host.
防火墙采用内、外过滤路由器加堡垒主机的子网过滤结构。
参考来源 - 营口地区电力信息网及营业MIS系统的建设·2,447,543篇论文数据,部分数据来源于NoteExpress
过滤路由器(Filtering Router)用于出站端点,可以控制哪些消息发送到下一个服务上。
The Filtering Router works on outbound endpoints to control which messages the service sends along to the next endpoint.
过滤器提供用于调用特定路由器的逻辑。
Filters provide the logic used to invoke a particular router.
并非所有的路由器都需要使用过滤器,但是所有的路由器都支持过滤器。
Not all routers need to use filters, but all routers support them.
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