Ricoh LD533CG Instrucciones de operaciones descargar pdf (Pagina 18)

CRP-C0266-01

fax data, transfers the received data from fax process of the fax unit to fax reception process

of the controller board.

Also, recording implemented actions of intrusion prevention via telephone lines in audit logs

enables re-detection of security breaches if the intrusion prevention via telephone lines is not

correctly performed.

Therefore, T.FAX_LINE, by which attackers may illegally gain access to the TOE through

telephone lines, is countered by the intrusion prevention via telephone lines and the audit.

3.1.2 Organisational Security Policy and Security Function Policies

3.1.2.1 Organisational Security Policy

Organisational security policy required in use of the TOE is shown in Table 3-3.

Table 3-3 Organisational Security Policy

Identifier Organisational Security Policy

P.SOFTWARE In order to prove the trusted MFP Control Software for

consumers, measures are provided for verifying the

integrity of MFP Control Software, which is installed in

the FlashROM of the TOE.

3.1.2.2 Security Function Policies to Organisational Security Policy

The TOE provides the Security Functions to fill the Organisational Security Policy shown in

Table 3-3.

(1) Countermeasures against Organisational Security Policy, "P.SOFTWARE".

By verifying the e-signature added to the executable codes of the MFP control software

installed in FlashROM the TOE can confirm that these executable codes are

manufacturer-genuine and officially supplied by RICOH COMPANY, LTD.

Considering the function of verifying the integrity of this software, and checking the version

information outputted from the TOE, it is confirmed that the software is a correct version and

officially supplied by RICOH COMPANY, LTD.

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Ricoh LD533CG Instrucciones de operaciones Pagina 18