Book Image

CompTIA Security+: SY0-601 Certification Guide - Second Edition

By : Ian Neil
Book Image

CompTIA Security+: SY0-601 Certification Guide - Second Edition

By: Ian Neil

Overview of this book

The CompTIA Security+ certification validates the fundamental knowledge required to perform core security functions and pursue a career in IT security. Authored by Ian Neil, a world-class CompTIA certification trainer, this book is a best-in-class study guide that fully covers the CompTIA Security+ 601 exam objectives. Complete with chapter review questions, realistic mock exams, and worked solutions, this guide will help you master the core concepts to pass the exam the first time you take it. With the help of relevant examples, you'll learn fundamental security concepts from certificates and encryption to identity and access management (IAM). As you progress, you'll delve into the important domains of the exam, including cloud security, threats, attacks and vulnerabilities, technologies and tools, architecture and design, risk management, cryptography, and public key infrastructure (PKI). You can access extra practice materials, including flashcards, performance-based questions, practical labs, mock exams, key terms glossary, and exam tips on the author's website at securityplus.training. By the end of this Security+ book, you'll have gained the knowledge and understanding to take the CompTIA exam with confidence.
Table of Contents (24 chapters)
1
Objectives for the CompTIA Security+ 601 exam
Free Chapter
2
Section 1: Security Aims and Objectives
7
Section 2: Monitoring the Security Infrastructure
12
Section 3: Protecting the Security Environment
17
Section 4: Mock Tests
18
Chapter 13: Mock Exam 1
19
Mock Exam 1 Solutions
20
Chapter 14: Mock Exam 2
21
Mock Exam 2 Solutions

Insecure Protocols and Their Use Cases

In this section, we are going to look in detail at the different insecure protocols. As most protocols use TCP ports, this chapter will only mention the UDP ports, and therefore you can assume that if something is not labeled UDP, it is TCP. We will look at the unsecure protocols and their use cases:

1a

Let's look at each of them:

  • FTP: Transferring files is a common function. When we purchase an e-book, it is immediately available to download onto our desktop. If I wish to upload files to a web server, I would use FTP on port 20, but the more common use is to download files using port 21, which is known as Passive FTP. The downside of using FTP is that the transfer is done using clear text, so a packet sniffer could view the information. It could be replaced by secure protocols such as SFTP or FTPS.
  • Telnet: This is a protocol that was first used in 1973 to run remote commands on devices such as routers...