On Thu, 13 Nov 2014 14:26:28 +0100, Seth Mos said: > Whilst rummaging through some DNS (dnsmasq) logs I've noticed quite a > decent amount of queries for pdf.js from what appear to be mozilla browsers. > > Seems rather odd that it is performing DNS queries for a internal PDF > viewer.
Totally wild shot in the dark - recent Mozilla have an onboard PDF viewer written in javascript called pdf.js http://en.wikipedia.org/wiki/PDF.js It's callable from within other javascript via chrome:// or resource:// references, but sometimes people don't get it right: http://superuser.com/questions/614002/how-to-open-pdf-js-in-firefox-via-chrome-url My guess is that somebody else didn't quite get it right, and is trying to get to the hostname when they intended to get to the javascript.....
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