I built a similar system several years ago, and modified the html directly using kernel modules and a non-blocking proxy. These JS based systems like front porch are pretty easy to build, and often give crappy performance since they are using blocking proxies.
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This sounds like a Front Porch appliance - 'PorchLight/7.0.1406.154 Server'
http://www.frontporch.com/
I built a similar system several years ago, and modified the html directly using kernel modules and a non-blocking proxy. These JS based systems like front porch are pretty easy to build, and often give crappy performance since they are using blocking proxies.
So what is it doing?
Seems to load an image from a server. Maybe for identifying the user?