Proof of concept: an unprivileged ping using UDP,
it can ping hosts when ICMP is being filtered but UDP isn't.
A design for a T shirt (in Postscript)
promoting side effect free programming.
It is based on an icon that I saw on the Hugs home page.
To the joerch.org main page.
Page created: Apr 19, 1998 -
last update: Nov 26, 2002 -
Jörg Czeranski (Impressum)