Ricoh Pro C900s 기능 설명서 - 페이지 14

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Ricoh Aficio Common Security Features Guide

Data Encryption

As mission critical data traverses the network it is possible for the knowledgeable hacker to intercept

raw data streams, files, and passwords. The advent of wireless network technology, while increasing the

convenience of surfing and printing for millions, also leaves networks vulnerable to attack from intruders

armed with wireless laptops via any access points within range. Without protection, intelligible

information can easily be stolen, or modified/falsified and re-inserted back into the network. Ricoh

Aficio devices are equipped with the following encryption capabilities to reduce these risks.

128-bit SSL/TLS (Secure Socket Layer/Transport Layer Security) Encryption & the Network

Data Protection Unit

Once a user has been granted access to the device

through an active authentication mechanism, Ricoh

devices offer another level of security through password

and data encryption capabilities. By scrambling data

prior to sending it over the LAN for output or storage, it

becomes impossible for hackers to decipher, and subse-

quently gain access to tamper or steal documents under

false pretenses. A series of communications takes place

between the sending PC and the printer or MFP so that

passwords and/or data can be encrypted prior to

sending, and decrypted once they arrive at the device. To

enable this function, the Ricoh device must be equipped

with the Network Data Protection Unit, and the SSL

Certificate must be pre-installed.

The Network Data Protection Unit (NDPU) is available as an option

on some devices and is offered standard on others. The NDPU is

installed in the main unit controller and employs 128-bit strength

encryption to protect data. It works by dividing data sent from a PC

over network lines into blocks of scrambled bits. This function can

be activated when data is to be sent via the hardwired Ethernet

interface, or the IEEE 802.11b Wireless LAN interface.