Pi Hole - simple ad blocker for your network

Advertisements in web pages can be a nuisance. But they are a necessary evil because companies/bloggers producing high quality content have to earn a living. Troy Hunt recently wrote a nice post on the subject.

Most desktop browsers provide “ad blockers” as plugins. These plugins normally also have configurable whitelists (whitelist: a list of sites exluded from being blocked) — which you should use for those sites which (a) provide high quality content and (b) rely on advertisements for a living.

Other devices in our home network also communicate with the web:

  • cell/smart phones (f.ex. iPhone, Android)
  • smart TVs (f.ex. Samsung)
  • and all those new IoT devices (IoT: Internet of Things): those “smart” home automation devices that communicate with “the cloud” and your “smart phone”

We can’t install “ad blockers” on these devices.

Here is where Pi Hole comes into play: We can plug a Raspberry Pi straight into our router!

My experience:

On my phone (an old Galaxy-S4) web pages load a hell of a lot faster when I’m in my home network compared to outside of my home network.

The Pi Hole web interface looks like this:


As you can see in the screenshot: ~20% traffic is blocked (!) and you can configure whitelists just like with those browser plugins. Nobody in my household noticed that 20% traffic was blocked.

Installing the software on your Raspberry Pi is straightforward: Just follow the instructions on the Pi Hole website.

Configuring your router is another beast: OpenWRT and DD-WRT router instructions are available (example - short youtube promo).

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