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You're reading from Network Analysis using Wireshark 2 Cookbook Practical recipes to analyze and secure your network using Wireshark 2

Product type Paperback

Published in Mar 2018

Publisher

ISBN-13 9781786461674

Length 626 pages

Edition 2nd Edition

Tools

Wireshark

Concepts

Network Security

Authors (3):

Nagendra Kumar Nainar

Yoram Orzach

Yogesh Ramdoss

View More author details

Table of Contents (20) Chapters

Preface

1. Introduction to Wireshark Version 2 FREE CHAPTER

2. Mastering Wireshark for Network Troubleshooting

3. Using Capture Filters

4. Using Display Filters

5. Using Basic Statistics Tools

6. Using Advanced Statistics Tools

7. Using the Expert System

8. Ethernet and LAN Switching

9. Wireless LAN

10. Network Layer Protocols and Operations

11. Transport Layer Protocol Analysis

12. FTP, HTTP/1, and HTTP/2

13. DNS Protocol Analysis

14. Analyzing Mail Protocols

15. NetBIOS and SMB Protocol Analysis

16. Analyzing Enterprise Applications' Behavior

17. Troubleshooting SIP, Multimedia, and IP Telephony

18. Troubleshooting Bandwidth and Delay Issues

19. Security and Network Forensics

Analyzing IP fragmentation failures

Fragmentation is a common mechanism in IP that takes a large IP packet and divides it into smaller packets that will fit in the Layer-2 Ethernet frames. When any router receives a packet that is larger than the Maximum Transmission Unit (MTU) of the outgoing interface, the packet will be fragmented. In most cases, there shouldn't be any problems with the mechanism, but there might be performance issues due to this mechanism. IP fragmentation may also be used as a source for a DoS attack.

TCP path MTU discovery

While the forwarding semantic associated with the IP header allows any transit node to fragment the packet, it may create performance issues (as mentioned in the previous section...

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Authors (3)

Nagendra Kumar Nainar

Nagendra Kumar Nainar (CCIE#20987) is a senior technical leader with RP escalation team in Cisco Systems. He is the co-inventor of more than 80 patent applications and the coauthor of six internet RFCs, various internet drafts and IEEE papers. He is a guest lecturer in North Carolina State University and a speaker in different network forums.

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Yoram Orzach

Yoram Orzach is a senior networks and networks security advisor, providing network design and network security consulting services to a range of clients. Having spent thirty years in network and information security, Yoram has worked as a network and security engineer across many verticals in roles ranging from a network engineer, security consultant, and instructor. Yoram has gained his B.Sc. from the Technion in Haifa, Israel. Yoram's experience is both with corporate networks; service providers and Internet service providers' networks. His customers are Motorola solutions, Elbit Systems, 888, Taboola, Bezeq, PHI Networks, Cellcom, Strauss group, and many other hi-tech companies.

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Yogesh Ramdoss

Yogesh Ramdoss (CCIE #16183) is a senior technical leader in the technical services organization of Cisco Systems. He is a distinguished speaker at CiscoLive, sharing knowledge and educating customers on enterprise/datacenter technologies and platforms, troubleshooting and packet capturing tools, and open network programmability. Co-inventor of patent in machine/behavior learning.

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