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 it works...
The way capture filters work with source host and destination host is simple—the capture engine simply compares the condition with the actual MAC addresses, and passes only what is relevant.
A broadcast address is an address in which the destination address is all 1s, that is, ff:ff:ff:ff:ff:ff:ff, therefore, when you configure a broadcast filter, only these addresses will pass the filter. Broadcast addresses can be:
- Layer 3 IPv4 broadcast that is converted to layer 2 broadcast; for example, IP packet to 10.0.0.255, which will be converted to layer 2 broadcast in the destination MAC field
- A network-related broadcast; for example, IPv4 Address Resolution Protocol (ARP), that sends a broadcast as a part of network operation ...
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