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Public telephone
line network
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server
Client PC Firewall
Office
FTP
server
Internal network
External network
bizhub PRO 920
bizhub PRO 920 control software
Modem
Image
control
program
Controller
control
program
TOE
Client PC
Figure 2.1 Operating Environment of bizhub PRO 920 Series
The TOE has a function to send and receive the document data in the internal network, therefore,
bizhub PRO 920 series including the TOE is connected with the internal network and public
telephone line network as shown in Figure 2.1. The internal network is connected with the client PC
of general user, mail server and FTP server, to which bizhub PRO 920 series sends the data. The
TOE does not have the interface with the external network. The TOE is connected with the external
network only through Firewall, so as to protect each of equipments on the internal network.
2.4. Related Persons and Their Roles for bizhub PRO 920 Series
The following shows the related persons with bizhub PRO 920 series and their roles.
- General user
General user enrolled at the organization that bizhub PRO 920 series is installed, uses the
user function regarding the capabilities such as copier and printer. By registering in the TOE,
he/she can own the User BOX on the HDD (Hard Disc Drive) in bizhub PRO 920 series.
He/She has the fundamental knowledge concerning IT, and can attack TOE using the opened
information, however, he/she is not assumed to create any new attack by using the unopened
information.
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