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Xerox 3550 manual System Software Structure, Open-sourcecomponents, OS Layer in the Controller

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XEROX WorkCentre 3550 Information Assurance Disclosure Paper

2.7.System Software Structure

2.7.1.Open-source components

Open-source components in the connectivity layer implement high-level protocol services. The security-relevant connectivity layer components are:

•Apache 2.2.11, with mod_ssl integrated (http and https)

•Apache Xerces2 Java

•Open1x

•OpenSLP

•NetBSD Project

•libupnp

•UUID library

•wpa_supplicant

•ldns

•Info-zip

•TWAIN sample Data Source and Application

•WTL v8.0

•CUPS library

•libjpeg v6b

•libxml2

•Expat XML Parser

•Unicode

•Kerberos 5

•sorttable

•Little CMS v1.15

•libstdc++

•CUPS related stuff

•part of linux kernel

•SpiderMonkey Engine

•OpenSSL v0.9.8e

•Open LDAP v2.1.17

•libpng

•zlib v2.4

•libtiff

•tinyxml

2.7.2. OS Layer in the Controller

The OS layer includes the operating system, network and physical I/O drivers. The controller operating system is pSOS v2.5.

The crypto library for IPSec is provided by the OpenSSL Toolkit..

IP Filtering is also provided as a loadable kernel module.

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Ver. 1.3, March 2011	Page 13 of 32

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Xerox 3550 manual System Software Structure, Open-sourcecomponents, OS Layer in the Controller

Contents

Information Assurance Disclosure Paper Version Xerox WorkCentrePrepared by Mark Bixler Xerox Corporation 800 Phillips RoadDocument Version 1.3 March Other company trademarks are also acknowledgedVer. 1.3, March Page 2 ofVer. 1.3, March 3.2.1 1.1. Purpose 1. Introduction1.2. Target Audience 1.3. DisclaimerThe Network Controller is 2. Device Descriptionlocated on the left rear side of the machine in WorkCentre2.1.1.Physical Partitioning 2.1.Security-relevantSubsystemsFigure 2-2System functional block diagram Security Function 2.1.2. Security Functions allocated to SubsystemsSubsystem Ver. 1.3, March2.2.1.Purpose 2.2.Controller2.2.2. Memory Components Additional Information2.2.4. USB Ports 2.2.3. External ConnectionsTable 3 Controller External Connections Figure 2-3Back panel connections2.4.Scanner 2.3Fax Module2.3.1.Purpose 2.3.2. Hardware2.5.1.Purpose 2.5.Local User Interface LUI2.5.2. Hardware 2.6.1.Purpose2.7.1.Open-sourcecomponents 2.7.System Software Structure2.7.2. OS Layer in the Controller Ver. 1.3, March 2.7.3. Network ProtocolsPage 14 of Figure 2-4IPv4 Network Protocol Stack2.8.1.Network Protocols 2.8.Logical AccessFigure 2-5IPv6 Network Protocol Stack 2.8.2.1.Port 25, SMTP 2.8.2. Ports2.8.2.2.Port 53, DNS server httpNetwork Controller machine2.8.2.5.Port 88, Kerberos 2.8.2.6.Ports 137, 138, 139, NETBIOSVer. 1.3, March Page 18 of2.8.2.8.Port 389, LDAP 2.8.2.7.Ports 161, 162, SNMP2.8.2.9.Port 396, Netware 2.8.2.10. Port 427, SLP2.8.3. IP Filtering 3.1. Authentication Model 3. System Access3.2.Login and Authentication Methods 3.2.2. User authenticationPage 22 of Ver. 1.3, MarchVer. 1.3, March 3.2.2.3.DDNSPage 23 of 3.3.System Accounts 3.4. Diagnostics3.3.1.Printing Multifunction models only 3.3.2. Network Scanning Multifunction models only4.2.1 Meter Assistant 4.1.SMart eSolutions4.2.2 Supplies Assistant 4.2.3 Summary5.Responses to Known Vulnerabilities Appendix A - Abbreviations APPENDICESNETBIOS ASICSNMP PWBASRAM SSDPSNMP version / Network Transport support 6.2. Appendix B - Supported MIB ObjectsWorkCentre RFC 1759 - Printer MIB GroupWorkCentre RFC 1514 - Host Resources MIB groupRFC 1213 - MIB-IIfor TCP/IP group WorkCentreController Software Appendix C -StandardsRFC/Standard Table 10 Controller SoftwareVer. 1.3, March 6.4. Appendix E - ReferencesPage 32 of