24-10618-155 Rev. A 1-1
Chapter
1
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2012 Johnson Controls, Inc.
INTRODUCTION
This document describes how to provide end-to-end security between the P2000 server and
CK721-A, CK721, CK720, S321, or S320 controllers or P2000 workstations using a Virtual
Private Network (VPN).
A VPN provides a means of securing communications between a P2000 server and one or
more remote CK721-A/CK721/CK720/S321/S320 controllers and/or P2000 workstations
across an untrusted public Wide Area Network (WAN).
A VPN connection can link two Local Area Networks (LANs). The traffic that flows
between these points passes through shared resources such as routers, switches, and other
network equipment that make up the public WAN. To secure communication while passing
through the WAN, the two participants create an IP Security (IPSec) tunnel.
CHAPTER SUMMARIES
Chapter 1: Introduction describes the purpose of this document and the manual
conventions.
Chapter 2: Configuration contains information on IP addresses and VPN
configuration.
Appendix A: Glossary explains some of the terms used in this manual.
MANUAL CONVENTIONS
The following items are used throughout this manual to indicate special circumstances,
exceptions, important points regarding the equipment or personal safety, or to emphasize a
particular point.
NOTE
Notes indicate important points or exceptions to the information provided in
the main text.
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