Network Protection Function; Residual Data Overwrite Function; Table 38 : Encrypted Communications Provided By The Toe - Ricoh Aficio MP C4501 Series Manual

FDP_ACC.1(b) and FDP_ACF.1(b)
The TOE verifies the role for an authorised TOE user who attempts to start operating Copy Function, Printer
Function, Scanner Function, Document Server Function, and Fax Function.
If the role is that of normal user, the user can operate only functions that are included in the available
function list set for each normal user.
If the role is that of MFP administrator, the user can operate Fax Reception Function that corresponds to
MFP management.
If the role is that of supervisor and RC Gate, using any functions is not allowed.
7.5

Network Protection Function

The Network Protection Function is to provide network monitoring to prevent information leakage when
LAN is used and to detect data tampering.
FTP_ITC.1
The encrypted communications provided by the TOE differ depending on communicating devices. Table 38
shows the encrypted communications provided by the TOE.
Communicating
Devices
Client computer
External
authentication server
RC Gate
FTP server
SMB server
SMTP server
7.6

Residual Data Overwrite Function

The Residual Data Overwrite Function is to overwrite specific patterns on the HDD and disable the reusing
of the residual data included in the deleted documents, temporary documents and their fragments on the
HDD.
FDP_RIP.1
Methods to delete the HDD area through overwriting include sequential overwriting and batch overwriting.
For sequential overwriting, the TOE constantly monitors the information on a residual data area, and
overwrites the area if any existing residual data is discovered. If the user deletes document data, the TOE
Copyright (c) 2011 RICOH COMPANY, LTD. All rights reserved.

Table 38 : Encrypted Communications Provided by the TOE

Encrypted communications provided by the TOE
Protocols
TLS1.0
Kerberos
SSL3.0, TLS1.0
IPSec
IPSec
S/MIME
Cryptographic Algorithms
AES(128bits, 256bits), 3DES(168bits)
AES(128bits, 256bits), 3DES(168bits)
AES(128bits, 256bits), 3DES(168bits)
AES(128bits, 192bits, 256bits), 3DES(168bits)
AES(128bits, 192bits, 256bits), 3DES(168bits)
3DES(168bits)
Page 87 of 93