包過濾路由器與包過濾防火牆具有同一功能，如2。1。1部分所述。
The packet filter rout provide the same functionality as the packet filter firewall describe in section2.1.1.
由系統中等待服務的項目構成的行或列表，例如等待執行的任務或在報文路由選擇系統中等待發送的報文。
A line or list formed by items in a system waiting for service; for example, tasks to be performed or messages to be transmitted in a message routing system.
路由器跟蹤一個請求來自何種網路並應用基於源網路的不同規則。
The rout track what network a request have come from and apply differ rules based on the source network.
網路中任意兩個網點之間的一段路由。
In a network, a route between any two nodes.
