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Xerox 3550 manual Ddns, Ver. 1.3, March, Page 23 of

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XEROX WorkCentre 3550 Information Assurance Disclosure Paper

1) The device sends the Domain Controller hostname to the DNS Server.

Subnet 1

Domain Controller


	Router

3		3


4		4
4		4

Subnet 2
	5
WorkCentre or	6
WorkCentre or
WorkCentre Pro	7

LDAP Server

DNS Server

Figure 3-2 SMB Authentication with Hostname

2)The DNS Server returns the IP Address of the Domain Controller

3)The device sends an authentication request directly to the Domain Controller through the router using the IP address of the Domain Controller.

4)The Domain Controller responds back to the device through the router whether or not the user was successfully authenticated.

If (4) is successful, steps 5 – 7 proceed as described in steps 4 - 6 of the Kerberos section.

3.2.2.3.DDNS

The implementation in the device does not support any security extensions.

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Ver. 1.3, March 2011	Page 23 of 32

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Contents

Mark Bixler Xerox Corporation 800 Phillips Road Xerox WorkCentreInformation Assurance Disclosure Paper Version Prepared byPage 2 of Other company trademarks are also acknowledgedDocument Version 1.3 March Ver. 1.3, MarchVer. 1.3, March 3.2.1 1.3. Disclaimer 1. Introduction1.1. Purpose 1.2. Target Audiencethe machine in WorkCentre 2. Device DescriptionThe Network Controller is located on the left rear side ofFigure 2-2System functional block diagram 2.1.Security-relevantSubsystems2.1.1.Physical Partitioning Ver. 1.3, March 2.1.2. Security Functions allocated to SubsystemsSecurity Function SubsystemAdditional Information 2.2.Controller2.2.1.Purpose 2.2.2. Memory ComponentsFigure 2-3Back panel connections 2.2.3. External Connections2.2.4. USB Ports Table 3 Controller External Connections2.3.2. Hardware 2.3Fax Module2.4.Scanner 2.3.1.Purpose2.6.1.Purpose 2.5.Local User Interface LUI2.5.1.Purpose 2.5.2. Hardware2.7.2. OS Layer in the Controller 2.7.System Software Structure2.7.1.Open-sourcecomponents Figure 2-4IPv4 Network Protocol Stack 2.7.3. Network ProtocolsVer. 1.3, March Page 14 ofFigure 2-5IPv6 Network Protocol Stack 2.8.Logical Access2.8.1.Network Protocols 2.8.2.2.Port 53, DNS 2.8.2. Ports2.8.2.1.Port 25, SMTP machine httpserver Network ControllerPage 18 of 2.8.2.6.Ports 137, 138, 139, NETBIOS2.8.2.5.Port 88, Kerberos Ver. 1.3, March2.8.2.10. Port 427, SLP 2.8.2.7.Ports 161, 162, SNMP2.8.2.8.Port 389, LDAP 2.8.2.9.Port 396, Netware2.8.3. IP Filtering 3.2.2. User authentication 3. System Access3.1. Authentication Model 3.2.Login and Authentication MethodsPage 22 of Ver. 1.3, MarchPage 23 of 3.2.2.3.DDNSVer. 1.3, March 3.3.2. Network Scanning Multifunction models only 3.4. Diagnostics3.3.System Accounts 3.3.1.Printing Multifunction models only4.2.3 Summary 4.1.SMart eSolutions4.2.1 Meter Assistant 4.2.2 Supplies Assistant5.Responses to Known Vulnerabilities ASIC APPENDICESAppendix A - Abbreviations NETBIOSSSDP PWBASNMP SRAMRFC 1759 - Printer MIB Group 6.2. Appendix B - Supported MIB ObjectsSNMP version / Network Transport support WorkCentreWorkCentre RFC 1514 - Host Resources MIB groupWorkCentre RFC 1213 - MIB-IIfor TCP/IP groupTable 10 Controller Software Appendix C -StandardsController Software RFC/StandardPage 32 of 6.4. Appendix E - ReferencesVer. 1.3, March

3.2.2.3.DDNS

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