Samsung X4220 Instruction Manual page 8

Samsung Multifunction MultiXpress X4220, X4250, X4300, X401, K4250, K4300, K4350, K401 Series
U.USER against an internal database. If U.ADMINISTRATOR selects the external
authentication as an authentication method, then MFP will authenticate the U.USER using an
external authentication server. The TOE authorizes U.USER according to the identification &
authentication result.

Network Access Control
The TOE provides a network access control function to control ports and protocols used in
network protocol
U.ADMINISTRATOR can control access from network by enabling/disabling or altering
port numbers of various protocols. The TOE also provides IP filtering /MAC filtering
functions to control access from network.

Security Management
The TOE provides a management function to manage security functions (e.g. security audit,
image overwrite, etc.) provided by the TOE. Through this function, U.ADMINISTRATOR
can enable/disable security functions, manage TSF data and the security attributes, and
maintain security roles.

Security Audit
The TOE stores and manages internal events occurring in the TOE. Audit logs are stored on
the hard disk drive and can be reviewed or exported by U.ADMINISTRATOR through the
remote user interface.

Image Overwrite
The TOE provides an image overwrite function to securely delete temporary files and job
files (e.g. printing, copying, scanning, and faxing jobs). This function is classified as two
functions: automatic
U.ADMINISTRATOR can execute the image overwriting function only through the local
user interface.

Data Encryption
The TOE provides a data encryption function to protect data (e.g. job information,
configuration information, audit logs, etc.) stored on the hard disk drive from unauthorized
access.

Fax Data Control
The TOE provides a fax data control function to examine fax image data formats (MMR, MR,
or MH of T.4 specification) received via the PSTN port and check whether received data is
suitable.

Self-testing
The TOE provides a self-testing function to verify the TSF's correct operation and the
integrity of TSF data and executable code.

Secure Communication

Copyright
services provided
image overwriting
2014 SAMSUNG ELECTRONICS Co., Ltd., All rights reserved
by the MFP.
and manual
8
Through this function,
image overwriting.