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Job/Access Logs

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Print Controller Design Guide for Information Security 1-8 Job/Access Logs Job logs and access logs for the principal machine functions in sections 2.1-2.7 contain entries for job status-related events (initiation, completion, any changes during the job), while the access log contains entries for MFP/LP operational events (authentication, operations performed on documents, administrator operations). Therefore, not every single operational or status-related event is recorded in the log. Each log entry is saved together with the date and time that the event occurred or operation was performed. By saving the data in this way, it is possible to then retrace the sequence of operations performed leading up to a machine failure. In addition, making it known that the time and date are recorded together with the operations can serve as a deterrent to unauthorized use. The specific events/data for which log entries are created vary slightly with each principal machine function. The events/data common to all principal machine functions are: SMC printout, log-in, log-out, storage or deletion of a file in the Document Server (MFP HDD), deletion of all Document Server documents in a single operation, HDD format, deletion of all log entries in a single operation, and changes to log settings. For the events/data that are unique to each principal machine function, please refer to sections 2.1-2.6 below. It is then possible to have the MFP/LP send the log data to Web SmartDeviceMonitor Professional IS (a log data server utility) whenever any of the events described above occurs, after which the data is stored in an MSDE or SQL Server database. Only users who are registered with an Administrator-level user account in Web SmartDeviceMonitor Professional IS can access the contents from a Web SmartDeviceMonitor Professional IS client station. In addition, these administrators are the only persons who can perform any changes to the log data transfer settings. The log data is encrypted before being saved to the HDD, which prevents any illegal acquisition or alteration of the data through unauthorized access to the HDD. In addition, the encrypted data is sent to Web SmartDeviceMonitor Professional IS over an SSL connection. Before log data can be transferred from the MFP/LP to Web SmartDeviceMonitor Professional IS, it is necessary to assign MFP/LP administrator types 1-4 described in section 1.5 Administrator Settings to a single account, and then create an Administrator-level access account in Web SmartDeviceMonitor Professional IS with the same name and password. It is also necessary to enable the settings for log data sending in the MFP/LP and in Web SmartDeviceMonitor Professional IS. Note: For more information on the transfer of this data, please refer to 2.5 Netfile. Page 35 of 86

Section	Page
04/23/2010	1
For these details, please refer to the Operating Instructions for the specific machine in question.	6
Hardware Configuration	7
MFP	7
LP	9
TPM (Trusted Platform Module): When the MFP/LP main power is turned on, this security module (chip) performs a verification on the validity of the software installed on the hardware platform, which includes checking for any illegal alterations.	10
Shared Service Layers	11
Principal Machine Functions	12
Data Security	14
External I/F	14
Protection of Program Data from Illegal Access via an External Device	14
IC card-based authentication functions: Authentication is mutual and encrypted, which prevents impersonation and ensures that data is properly protected.	16
Firmware Installation/Update	17
Remote Firmware Installation via Web SmartDeviceMonitor Professional IS (performed by the end user)	19
Verification of Firmware/Program Validity	20
Note: Produced by STMicroelectronics, TPM is a product of the ST19WP18 family, which has earned Common Criteria certification (EAL5+).	20
Authentication	21
IC Card Authentication	24
Access Control	25
In addition, it is possible to create an access control list (ACL) for each individual Address Book entry and Document Server document at both the individual user and group levels.	25
If the MLP/LP is initialized in this way, all of the user information, document data, and settings stored in the MLP/LP since installation will be initialized (erased).	26
Data Erase/Overwrite	27
To execute the overwrite, the operator can choose from two options: \	28
The execution of this feature does not clear engine-related information such as the value of the total counter, or engine-related adjustment settings contained in SP mode and UP mode.	28
Through this arrangement, the copy of the HDD storage key is automatically decrypted once the Encryption Key Restore has been completed.	31
Document Server Documents (MFP models only)	33
Access Privileges and Operations for Stored Documents	34
Without HDD: 500 entries	38
Overview of Capture Operations	39
Operations that Generate Captured Images	39
Capture Settings	41
Security Considerations	42
Captured Documents and Log Data	42
Additional Methods for Increased Security	42
(Authentication not required)	42
Copier (MFP Models Only)	43
Overview of Copier Operations	43
Data Security Considerations	43
Protection of Copy Jobs in Progress	43
Protection of Document Server Documents	43
Refer to 1.7.2 Document Server Documents (MFP models only) for details on the Document Lock feature.	44
Restricting the Available Functions for Each Individual User	45
Job/Access Log Data Collection	45
Print Backup	45
(printing out, editing, copying).	46
Overview of Printer Operations	47
Data Flow	47
Data Security Considerations	51
The \	53
Overview of Scanner Operations	54
Data Flow Security Considerations	54
Protection of Data when Performing Scanning and Sending Operations	55
Protection of Document Server Documents	56
Protection of Sending Results and Status Information	57
Protection of the Scanner Features Settings	57
Data Stored in the Job Log	58
Terminology	58
FTP (File Transfer Protocol): A protocol used when transferring files over a TCP/IP network.	58
Overview of FAX operations	59
Data Security Considerations	60
Protection of the Journal and Documents in Document Server Storage	61
Protection of FAX Transmission Operations	61
Protection of FAX Features Settings	62
The \	62
Job Log	62
Protection of Internet FAX Transmissions using S/MIME	62
Preventing FAX Transmission to Unintended Destination(s)	63
This prevents a FAX from being sent to an unintended destination when, for example, the operator accidentally touches an additional Quick Dial key.	63
Overview of NetFile Operations	64
Data Flow	65
Supplementary	65
Network Topology for a System Using Integration Server Authentication (Sample)	66
As long as the track ID is not stolen from the communication path between the PC and MFP/LP (which can be protected against by enabling SSL encryption) or from the PC itself, it is impossible to perform any unauthorized operations on these print jobs	68
Web Server Framework	69
WebDocBox (MFP models only)	70
For more details on job and access logs, please refer to 1.9 Job/Access Logs.	72
@Remote	73
Overview of @Remote Operations	73
Data Security Considerations	73
Security is increased even further by the fact that the symmetric key used is not a static key, but rather one that is generated every time a new session is initiated.	73
Overview of Copy Data Security Operations	74
Data Flow	75
Following this, an entry for the event itself is stored in the access log, along with the username.	75
Overview of Operations	77
1	77
Overview of SDK Application Functions	79
3: DSDK Œ MFP/LP Hardware Configuration	79
Scanning Functions: Sending Data Over the Network with the Copier and Scanner (MFP models only)	80
FAX Functions (MFP models only)	80
Network Functions	81
Printer Functions	81
Machine Administrative Functions (MFP models only)	81
Authentication Functions	81
Data Security Considerations	83
Preventing the Installation of Illegal Applications	83
Authentication of SDK Applications at Installation	83
Prevention of Access to Address Book Data and Machine Management Data	85
Protection Against Attacks on Principal MFP/LP Functions, Prevention of Damage to the System	85
Protection Against Attacks from External Sources	85

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Print Controller Design Guide for Information Security

Page 35 of 86

1-8

Job/Access Logs

Job logs and access logs for the principal machine functions in sections 2.1-2.7 contain entries for job

status-related events (initiation, completion, any changes during the job), while the access log contains

entries for MFP/LP operational events (authentication, operations performed on documents,

administrator operations). Therefore, not every single operational or status-related event is recorded in

the log.

Each log entry is saved together with the date and time that the event occurred or operation was

performed. By saving the data in this way, it is possible to then retrace the sequence of operations

performed leading up to a machine failure. In addition, making it known that the time and date are

recorded together with the operations can serve as a deterrent to unauthorized use.

The specific events/data for which log entries are created vary slightly with each principal machine

function. The events/data common to all principal machine functions are: SMC printout, log-in, log-out,

storage or deletion of a file in the Document Server (MFP HDD), deletion of all Document Server

documents in a single operation, HDD format, deletion of all log entries in a single operation, and

changes to log settings. For the events/data that are unique to each principal machine function, please

refer to sections 2.1-2.6 below.

It is then possible to have the MFP/LP send the log data to Web SmartDeviceMonitor Professional IS

(a log data server utility) whenever any of the events described above occurs, after which the data is

stored in an MSDE or SQL Server database. Only users who are registered with an Administrator-level

user account in Web SmartDeviceMonitor Professional IS can access the contents from a Web

SmartDeviceMonitor Professional IS client station. In addition, these administrators are the only

persons who can perform any changes to the log data transfer settings.

The log data is encrypted before being saved to the HDD, which prevents any illegal acquisition or

alteration of the data through unauthorized access to the HDD. In addition, the encrypted data is sent

to Web SmartDeviceMonitor Professional IS over an SSL connection.

Before log data can be transferred from the MFP/LP to Web SmartDeviceMonitor Professional IS, it is

necessary to assign MFP/LP administrator types 1-4 described in section 1.5 Administrator Settings

a single account, and then create an Administrator-level access account in Web SmartDeviceMonitor

Professional IS with the same name and password. It is also necessary to enable the settings for log

data sending in the MFP/LP and in Web SmartDeviceMonitor Professional IS.

Note:

For more information on the transfer of this data, please refer to 2.5 Netfile