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CRP-C0266-01

4. Assumptions and Clarification of Scope

In this chapter, it describes the assumptions and the operational environment to operate the

TOE as useful information for the judgment before the assumed reader uses the TOE.

4.1 Usage Assumptions

Table 4-1 shows assumptions to operate the TOE.

The effective performance of the TOE Security Functions are not assured unless these

assumptions are satisfied.

Table 4-1 Assumptions in Use of the TOE

Identifier Assumptions

A.ADMIN

Administrators of this TOE shall have sufficient knowledge to

securely operate the TOE, and shall securely keep the TOE

and the operational environment for the TOE. Administrators

shall not abuse their permission maliciously, and they also

shall not illegally act such as leakage or tampering of the

document data as protected assets, and deactivating the

Security Functions of the TOE. And provide the necessary

advice and attentions for general users who use MFP in order

to securely operate the TOE. The sufficient knowledge to

securely operate the TOE includes the following:

No use of the following functions and the settings:

- Backup/Restore Address Book

- Service Mode Lock set to "Off"

- Use of the IPv6 protocol

- Use of IP-Fax or Internet Fax Function

- Use of Authentication method except for Basic

Authentication

A.SUPERVISOR

Supervisor shall have sufficient knowledge to securely operate

the TOE, and shall not abuse their permission maliciously.

Also, they shall not illegally act such as leakage or tampering

of the document data as protected assets, and deactivating the

Security Functions of the TOE.

A.NETWORK

When the TOE is connected to the internal network connected

to an external network such as the Internet, not for attacking

in the TOE by the communication via the external network,

install firewalls in the boundaries of the external network and

the internal network to protect the internal network and the

TOE.

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Ricoh LD533CG Instrucciones de operaciones Pagina 19