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Hands-On Penetration Testing with Kali NetHunter

You're reading from  Hands-On Penetration Testing with Kali NetHunter

Product type Book
Published in Feb 2019
Publisher
ISBN-13 9781788995177
Pages 302 pages
Edition 1st Edition
Languages
Authors (2):
Glen D. Singh Glen D. Singh
Profile icon Glen D. Singh
Sean-Philip Oriyano Sean-Philip Oriyano
Profile icon Sean-Philip Oriyano
View More author details
Toc

Table of Contents (19) Chapters close

Title Page
Copyright and Credits
About Packt
Contributors
Preface
1. Introduction to Kali NetHunter 2. Understanding the Phases of the Pentesting Process 3. Intelligence-Gathering Tools 4. Scanning and Enumeration Tools 5. Penetrating the Target 6. Clearing Tracks and Removing Evidence from a Target 7. Packet Sniffing and Traffic Analysis 8. Targeting Wireless Devices and Networks 9. Avoiding Detection 10. Hardening Techniques and Countermeasures 11. Building a Lab 12. Selecting a Kali Device and Hardware 1. Other Books You May Enjoy Index

Determining whether a host is up or down


If you're going to attempt to enter a system, you first need to have a target to examine and explore, which requires finding out which hosts are online or live and which are not.

Exercise – working with ping

In this exercise, we are going to use the ping utility to check for live targets:

  1. Open the Command Prompt on Windows or the Terminal in Linux.
  2. Ping -c <number of pings> <target IP or hostname>.
  3. Press Enter.
  4. View the results.

Note

If the -c is omitted, the ping command will continue to ping the provided hostname or address until you press Ctrl + C.

If you receive success replies from the target, the host is considered to be live. If you get a request timeout message, this means one of two things: the target is offline or the target has disabled ICMP responses. Systems administrators usually disable ICMP replies for security reasons; if a script kiddie is attempting a ping scan, they would think the target is offline and move on. However, a skilled...

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