Xerox 5790, 5775, 5745, 5740, 5735, 5755 manual Login and Authentication Methods, User authentication

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XEROX WorkCentre 5735/5740/5745/5755/5765/5775/5790 Information Assurance Disclosure Paper

3.2. Login and Authentication Methods

There are a number of methods for different types of users to be authenticated. In addition, the connected versions of the product also log into remote servers. A description of these behaviors follows.

3.2.1. System Administrator Login [All product configurations]

Users must authenticate themselves to the device. To access the User Tools via the Local UI, a numerical PIN is required. The customer can set the PIN to anywhere from 3 to 31digits in length. This PIN is stored in the controller NVM and is inaccessible to the user. Xerox strongly recommends that this PIN be changed from its default value immediately upon product installation. The PIN should be set to a minimum of 8 characters in length and changed at least once per month. Longer PINs can be changed less frequently; a 9-digit PIN would be good for a year. The same PIN is used to access the Administration screens in the Web UI.

3.2.2. User authentication

Users may authenticate to the device using Kerberos, LDAP, SMB Domain, or NDS authentication protocols. Once the user is authenticated to the device, the user may proceed to use the Network Scanning features listed above.

The WebUI allows an SA to set up a default authentication domain and as many as 8 additional alternate authentication domains. The device will attempt to authenticate the user at each domain server in turn until authentication is successful, or the list is exhausted.

3.2.2.1.Kerberos Authentication (Solaris or Windows 2000/Windows 2003)

This is an option that must be enabled on the device, and is used in conjunction with all Network Scanning features (Scan to File, Scan to E-mail, internet fax, and Scan to Fax Server). The authentication steps are:

1)A User enters a user name and password at the device in the Local UI. The device sends an authentication request to the Kerberos Server.

2)The Kerberos Server responds with the encrypted credentials of the user attempting to sign on.

3)The device attempts to decrypt the credentials using the entered password. The user is authenticated if the credentials can be decrypted.

4)The device then logs onto and queries the LDAP server trying to match an email address against the user’s Login Name. The user’s email address will be retrieved if the personalization option has been selected on the Authentication Configuration page.

5)If the LDAP Query is successful, the user’s email address is placed in the From: field. Otherwise, the

user’s login name along with the system domain is used in the From: field.

6)The user may then add recipient addresses by accessing the Address Book on the LDAP server. Please see the User Manual for details. Each addition is a separate session to the LDAP server.

3.2.2.2.SMB Authentication (Windows NT 4 or Windows 2000/Windows 2003)

This is also an option that may be enabled on the device, and is used in conjunction with all Network Scanning features (Scan to File, Scan to E-mail, internet fax, and Scan to Fax Server). The authentication steps vary somewhat, depending on the network configuration. Listed below are 3 network configurations and the authentication steps.

Basic Network Configuration: Device and Domain Controller are on the same Subnet

Authentication Steps:

1) The device broadcasts an authentication request that is answered by the Domain Controller.

Ver. 2.00, March 2011

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Contents Xerox WorkCentre Page Target Audience Device DescriptionSecurity Aspects of Selected Features Purpose Target AudienceDisclaimer Security-relevant Subsystems Physical PartitioningSystem functional block diagram Security Functions allocated to SubsystemsController PurposeMemory Components Security Functions allocated to SubsystemsController memory components Hard Disk DrivesExternal Connections USB PortsController External Connections Fax Module ScannerHardware USB PortsGraphical User Interface GUI Scanner memory componentsSystem Software Structure Control and Data InterfacesOpen-source components OS Layer in the ControllerController Operating System layer components Network Protocols IPv4 Network Protocol StackLogical Access IPSecPorts Port 25, SmtpPort 53, DNS Port 68, DhcpPort 80, Http ServerPort 88, Kerberos Port 110, POP-3 ClientPorts 137, 138, 139, Netbios Ports 161, 162, SnmpPort 389, Ldap Port 396, NetwareIP Filtering System Access Authentication ModelAuthentication and Authorization schematic Login and Authentication Methods System Administrator Login All product configurationsUser authentication Kerberos Authentication Solaris or Windows 2000/WindowsDomain Controller System Accounts Printing Multifunction models onlyNetwork Scanning Multifunction models only Diagnostics Service All product configurationsAlternate Boot via Serial Port Tty ModeAccess Accessible Data Summary Security Aspects of Selected Features Audit LogIfax Event Event description Entry Data SSL System startup Device name Device serial number Ifax Event Event description Entry Data SSL Xerox Standard Accounting Automatic Meter Reads Encrypted PartitionsImage Overwrite Algorithm User BehaviorOverwrite Timing Responses to Known Vulnerabilities Appendix a Abbreviations Non-Volatile Random Access Memory Portable Service WorkstationPrinted Wire Board Assembly System AdministratorAppendix B Supported MIB Objects Term DefinitionSnmp version / Network Transport support WorkCentre RFC 1759 Printer MIB Group WorkCentre RFC 1514 Host Resources MIB group WorkCentreRFC 1213 MIB-II for TCP/IP group WorkCentre Additional Capabilities / Application Support WorkCentre Appendix C -Standards Controller HardwareController Software RFC/StandardPrinting Description Languages Appendix E References
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5790, 5755, 5775, 5735, 5740 specifications

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