June 2018
Intermediate to advanced
368 pages
11h 1m
English
Content preview from Managing Mission - Critical Domains and DNS
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Dynamic DNS via web requests
Most dynamic DNS clients use http GET method requests to send an update request to a middleware webserver run by the DNS provider. It seems appropriate here to include early tech reviewer Peter Van Dijk's comment on this:
"It is terrible and dangerous and has forever been forbidden by web standards but what are you going to do?"
You would hope, given Van Dijk's comment, that any dynamic DNS clients running today would at least use TLS to secure their connections via https://. However, my experience from running a couple of the oldest DNS providers in existence and perusing their request logs shows that there are a lot of legacy dynamic DNS clients out there who don't. Look at this diagram:
Figure 11-7: Relationship ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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