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Security Target, Version 3.9
March 18, 2008
Nortel VPN Router v7.05 and Client Workstation v7.11
Page 5 of 67
© 2008 Nortel Networks
1 Security Target Introduction
This section identifies the Security Target (ST), Target of Evaluation (TOE) identification, ST conventions, ST
conformance claims, and the ST organization. The Targets of Evaluation are models 600, 1010, 1050, 1100, 1750,
2750, and 5000 of the Nortel VPN Router v7.05 and Client Workstation v7.11. These devices are functionally
identical and will hereafter be referred to, collectively, as “the TOE” throughout this document. The TOE is a
Virtual Private Network (VPN) Router that ensures end-to-end network security by establishing a fully encrypted
and authenticated VPN connection across the Internet between a Nortel VPN Router and either a user’s remote
computer or another remote Nortel VPN Router. It also provides firewall functionality to protect the private
network from attack from the public network.
1.1 Purpose
This ST contains the following sections to provide mapping of the Security Environment to the Security
Requirements that the TOE meets in order to remove, diminish, or mitigate the defined threats:
Security Target Introduction (Section 1) – Provides a brief summary of the content of the ST and describes
the organization of other sections of this document.
TOE Description (Section 2) – Provides an overview of the TOE security functions and describes the
physical and logical boundaries for the TOE.
TOE Security Environment (Section 3) – Describes the threats and assumptions that pertain to the TOE and
its environment.
Security Objectives (Section 4) – Identifies the security objectives that are satisfied by the TOE and its
environment.
IT Security Requirements (Section 5) – Presents the Security Functional Requirements (SFRs) and Security
Assurance Requirements (SARs) met by the TOE and by the TOE’s environment.
TOE Summary Specification (Section 6) – Describes the security functions provided by the TOE to satisfy
the security requirements and objectives.
Protection Profile Claims (Section 7) – Provides the identification of any ST Protection Profile claims as
well as a justification to support such claims.
Rationale (Section 8) – Presents the rationale for the security objectives, requirements, and the TOE
summary specifications as to their consistency, completeness, and suitability.
Acronyms (Section 9) – Defines the acronyms used within this ST.
1.2 Security Target, TOE and CC Identification and Conformance
Table 1 - ST, TOE, and CC Identification and Conformance
ST Title
Nortel Networks VPN Router v7.05 and Client Workstation v7.11 Security Target
ST Version
Version 3.8
Author
Corsec Security, Inc.
Nathan Lee
TOE Identification
Nortel VPN Router v7.05 and Client Workstation v7.11
Common Criteria (CC)
Identification and
Conformance
Common Criteria for Information Technology Security Evaluation, Version 2.3 (aligned
with ISO/IEC 15408:2004), Part 2 conformant, Part 3 conformant; Parts 2 and 3
Interpretations from the Interpreted CEM as of October 25, 2006 were reviewed, and no
interpretations apply to the claims made in this ST.
PP Identification
None
Evaluation Assurance
Level
EAL 4 Augmented with Flaw Remediation