This program is a trivial helper web server that is a part of Allen's and my ad blocking service. Simply put, it serves up 1x1 transparent gifs to anybody who asks for _anything_. One can set it up somewhere to run on some high port and then use iptables rules to redirect all incoming tcp traffic to the server. At the moment its syntax is very simple:
./adzapper listen_ip port
Once upon a time I had a Java version of this; it has now been replaced by this program, which was originally written by Allen Ibara and subsequently modified by myself. Download the source (1.2K)
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