March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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How to do it...
Connect Wireshark to the network with a port-mirror to the port of the resource that you suspect is exposed to DoS/DDoS. Usually, it will be a server that becomes very slow, a communication line that becomes very loaded, or any other resource that stops functioning or becomes very slow.
- When a communication line becomes very slow, for example, a connection to the internet, connect Wireshark with a port-mirror to this line.
- Try to locate where the traffic comes from.
- I've port-mirrored the server, and this is what I got:
Figure 20.11: TCP SYN attack—sourced from different IP address
- We see source addresses in ascending ...
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