| 单词 | packet filter |
| 释义 | packet filterpacket filterA software routine that analyzes incoming data packets and forwards them or discards them based on one or more criteria such as address, range of addresses and type (email, file transfer, etc.). Packet filtering is generally performed in a router, in which case the router is known as a "screening router." See deep packet inspection, firewall, Web filtering and router. |
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