A CDE Definition
See packet filter.
A 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.
Before/After Your Search Term
Terms By Topic
Click any of the following categories for a list of fundamental terms.