My proof-of-concept code is at <http://git.thejh.net/?p=detour.git;a=tree>.
It needs libpcap and works on Linux. It probably won't work on Windows.
+You can download the code with "git clone git://thejh.net/detour.git".
+
Compile with "./compile.sh".
On the server, run "./pulser". This will open an HTTP server on port 4422.
On the monitoring device (just run it on your computer if you just want to