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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CNAME resource record
A CNAME resource record, also known as a canonical name record, is the resource record used to specify that a domain name is an alias for another domain name. A CNAME record will always point to another domain name and it will not point to any IP address. This record helps with seamless domain name change from one to another without impacting the end users.
Figure 13.6: CNAME record
In the previous example, we see foo.example.com is the alias name created for bar.example.com. When the server receives a request for foo.example.com, it replies with a CNAME carrying the new domain name bar.example.com. The client will in ...
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