XEROX WorkCentre
3550
Information Assurance Disclosure Paper
13
Ver. 1.3, March 2011 Page 13 of 32
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.