On Sun, 15 Sep 2002, Michal Melewski wrote: [snip] > Once i heard about project of internet worm comunicating through odd ICMP > packets. This seems to be quite strange, but after all this is a good and > relativly discrete communicating channel... Sure. You can even chat over icmp, looks like. Encrypted ;-) See: http://www.codito.de/prog/icmpchat-0.4.tar.gz on this page: http://www.codito.de/projects.html Cheers, Cristian