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In the quest for speedy web browsing and Internet bandwidth savings, many of us make use of servers/appliances that have HTTP and DNS caching functionality. Of course, the lazy (or accidental) administrator does the barest minimum to get the service working and moves on.
In the old days with lean VSAT bandwidth, many could (mis)configure their Web and DNS devices yet nothing bad would happen (mostly). Now that we have optic fibre internet connections however, it is a very different case. Continue reading