Search icon
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Nmap Network Exploration and Security Auditing Cookbook, Third Edition - Third Edition

You're reading from  Nmap Network Exploration and Security Auditing Cookbook, Third Edition - Third Edition

Product type Book
Published in Sep 2021
Publisher Packt
ISBN-13 9781838649357
Pages 436 pages
Edition 3rd Edition
Languages
Author (1):
Paulino Calderon Paulino Calderon
Profile icon Paulino Calderon

Table of Contents (22) Chapters

Preface 1. Chapter 1: Nmap Fundamentals 2. Chapter 2: Getting Familiar with Nmap's Family 3. Chapter 3: Network Scanning 4. Chapter 4: Reconnaissance Tasks 5. Chapter 5: Scanning Web Servers 6. Chapter 6: Scanning Databases 7. Chapter 7: Scanning Mail Servers 8. Chapter 8: Scanning Windows Systems 9. Chapter 9: Scanning ICS/SCADA Systems 10. Chapter 10: Scanning Mainframes 11. Chapter 11: Optimizing Scans 12. Chapter 12: Generating Scan Reports 13. Chapter 13: Writing Your Own NSE Scripts 14. Chapter 14: Exploiting Vulnerabilities with the Nmap Scripting Engine 15. Other Books You May Enjoy Appendix A: HTTP, HTTP Pipelining, and Web Crawling Configuration Options 1. Appendix Β: Brute-Force Password Auditing Options 2. Appendix C: NSE Debugging 3. Appendix D: Additional Output Options 4. Appendix Ε: Introduction to Lua 5. Appendix F: References and Additional Reading

Discovering hosts with SCTP INIT ping scans

SCTP packets can be used to determine whether a host is online by sending SCTP INIT packets and looking for ABORT or INIT ACK responses. Nmap implements an effective technique named an SCTP INIT ping scan.

This recipe describes how to launch SCTP INIT ping scans from Nmap.

How to do it...

Open your terminal and use the -PY option:

# nmap -sn -PY <target>

The output follows the same format as the other types of ping scans:

# nmap -sn -PY scanme.nmap.org
Nmap scan report for scanme.nmap.org (45.33.32.156) Host is up (0.15s latency).
Other addresses for scanme.nmap.org (not scanned): 2600:3c01::f03c:91ff:fe18:bb2f
Nmap done: 1 IP address (1 host up) scanned in 4.31 seconds

How it works...

The -sn -PY options tell Nmap to send an SCTP INIT ping scan against the scanme.nmap.org host to determine whether it's online. Nmap attempts to initiate a connection to a service by sending an SCTP INIT packet and looks for...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime}