You're reading from Network Analysis using Wireshark Cookbook This book will be a massive ally in troubleshooting your network using Wireshark, the world's most popular analyzer. Over 100 practical recipes provide a focus on real-life situations, helping you resolve your own individual issues.

Product type Paperback

Published in Dec 2013

Publisher Packt

ISBN-13 9781849517645

Length 452 pages

Edition 1st Edition

Tools

Wireshark

Concepts

Network Security

Author (1):

Yoram Orzach

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Table of Contents (17) Chapters

Preface

1. Introducing Wireshark FREE CHAPTER

2. Using Capture Filters

3. Using Display Filters

4. Using Basic Statistics Tools

5. Using Advanced Statistics Tools

6. Using the Expert Infos Window

7. Ethernet, LAN Switching, and Wireless LAN

8. ARP and IP Analysis

9. UDP/TCP Analysis

10. HTTP and DNS

11. Analyzing Enterprise Applications' Behavior

12. SIP, Multimedia, and IP Telephony

13. Troubleshooting Bandwidth and Delay Problems

14. Understanding Network Security

A. Links, Tools, and Reading

Index

Analyzing problems in the NetBIOS protocols

Network Basic Input/Output System (NetBIOS) is a set of protocols developed in the early 1980s for LAN communications. A few years later, it was adopted by Microsoft for their networking over the LAN, and then it was migrated for working over TCP/IP (NetBIOS over TCP/IP, RFCs 1001, and 1002).

In today's networks, NetBIOS provides three services:

Name service (port 137) for name registration and name to IP address resolution.
Datagram distribution service (port 138) for service announcements by clients and servers.
Session service (port 139) for session negotiation between hosts. This is used for accessing files, open directories and so on.

In this chapter, we will get into some common problems with the NetBIOS suite of protocols, and we will learn how to try and solve them. Since the NetBIOS set of protocols is quite complicated, and there are hundreds of scenarios of things that might go wrong, we will try to provide some guidelines for how...