bogon = B = bogon flux

bogon filter /boh'gon fil'tr/ n.

Any device, software or hardware, that limits or suppresses the flow and/or emission of bogons. "Engineering hacked a bogon filter between the Cray and the VAXen, and now we're getting fewer dropped packets." See also bogosity, bogus.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.