Upside-Down-Ternet
`My neighbours are stealing my wireless internet access. I could encrypt it or alternately I could have fun. [..]
Suddenly everything is kittens! It’s kitten net. [..]
For the uninitiated, this redirects all traffic to kittenwar.
For more fun, we set iptables to forward everything to a transparent squid proxy running on port 80 on the machine. [..]
That machine runs squid with a trivial redirector that downloads images, uses mogrify to turn them upside down and serves them out of it’s local webserver.’