Expanded core chapter
Stateful Firewall Policy Design
Extended teaching, worked examples, calculations and configuration or commissioning walkthroughs.
Read expanded chapterNETCOMTECH TECHNICAL TEXTBOOK
Security and CCTV Technical Textbook
A practical guide to camera networks, NVR infrastructure, PoE and network security policy.
Read in order as a course, or jump directly to the procedure you need in the field.
Book 5
Preface
Network security boundaries, camera infrastructure, PoE, recording and operational evidence.
What this book should give you: By the end of this book, the reader should understand how security systems use the network and how to design access, recording and resilience without creating blind spots.
This book contains 5 linked chapters. Read it from the beginning if the subject is new. Experienced readers can use the part headings and chapter index as a reference manual.
How a chapter is written
Each chapter starts with the business problem, defines the jargon, then moves into the technical explanation. It includes a worked business scenario, practical lab work, troubleshooting, a field checklist and review questions. The aim is to connect theory to real infrastructure work.
HOW TO USE THIS TEXTBOOK
Learn the subject, then prove you can use it
Who this is for
Installers and administrators responsible for CCTV, PoE devices and network security boundaries.
Why a business cares
Security infrastructure must protect people and data without making the network impossible to operate. Good design makes required access explicit and unwanted access visible.
How to study
Read the chapters in order if the subject is new. Each chapter includes plain-English definitions, business context, a lab, a troubleshooting exercise, a field checklist and a summary.
PART 1: SECURITY INFRASTRUCTURE
Part 1: Security Infrastructure
Plan IP security systems and network boundaries.
Chapter 1
Security, NVR and KVM Knowledge
Core security infrastructure concepts.
Open chapterChapter 2
IP Camera and NVR Network Design
Bitrate, storage, PoE and switching.
Open chapterChapter 3
PoE Installation and Troubleshooting
Power delivery for cameras and devices.
Open chapterPART 2: NETWORK SECURITY
Part 2: Network Security
Protect the traffic around the devices.
Chapter 4
Stateful Firewall Policy
Security zones and stateful policy.
Open chapterChapter 5
ACL and Rule Design
Precise permitted flows.
Open chapterNot an IT specialist?
Start with the business-language guide. It explains what the main technologies do, why companies use them and what questions to ask before buying or changing infrastructure.