June 2018
Intermediate to advanced
368 pages
11h 1m
English
Content preview from Managing Mission - Critical Domains and DNS
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What DNSSEC does
DNSSEC provides a method where resolvers can reliably affirm that the responses they've received to their lookup queries are unaltered, and that the DNS lookup chain used to arrive at the authoritative name server for a given query can be trusted (trust chain).
Without this mechanism, it is possible that a response received to a query has been altered in transit, and that can have big implications.
For example, when you enter the URL for your online banking, or your cryptocurrency wallet in your web browser, it is highly desirable to know that the IP address you are connecting to after the DNS lookup is the actual IP address for your bank's web portal or the actual cryptocurrency exchange.
A more common example of an everyday ...
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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.