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...
On the captured packet, perform the following simple verification:
- Check if the DNS query sent from the client is set with the DNSSEC option. This will be included in the additional records field of the DNS query packet:
In the preceding screenshot, it can be seen that the additional record field is set with a flag that indicates that the client accepts DNSSEC security resource records.
- The DNS server, upon receiving the request, will reply with a DNS response that carries the relevant details of the requested record (for example, an IP address for an A record) carrying a Resource Record Signature (RRSIG). These are digital ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.