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The Line Printer Daemon protocol/Line Printer Remote protocol (or LPD, LPR) is a network printing protocol for submitting print jobs to a remote printer. The original implementation of LPD was in the Berkeley printing system in the BSD UNIX operating system; the LPRng project also supports that protocol.
The first documented fire-starting printer was a Stromberg-Carlson 5000 xerographic printer (similar to a modern laser printer, but with a CRT as the light source instead of a laser), installed around 1959 at the Lawrence Livermore National Laboratory and modified with an extended fusing oven to achieve a print speed of one page per second. In ...
The Epson name was coined by joining the initials EP (Electronic Printer) and the word son, making "Epson" mean "Electronic Printer's Son". [9] In April of the same year, Epson America Inc. was established to sell printers for Shinshu Seiki Co. Epson HX-20
On the other hand, a network attacker may use a special type of service scanner, known as a vulnerability scanner, to find devices that have not been patched to find a known vulnerability. [8] An attacker may also use a service scanner to find open administrative ports such as Telnet on TCP/21 and SSH on TCP/22. Once an attacker finds those ...
The CSU/DSU implements two different functions. The channel service unit (CSU) is responsible for the connection to the telecommunication network, while the data service unit (DSU) is responsible for managing the interface with the DTE. A CSU/DSU can have an external connection point or it can be integrated into a modular card installed in a ...
The plan envisioned Network Service Providers as a wholesale layer, moving Internet bandwidth produced at Network Access Points (subsequently called "Internet exchange points") to Internet Service Providers, who would in turn sell it to end-user enterprises, or on to Internet Access Providers (IAPs) who would sell it to individual end-users in ...