>John Woods complained about constant PING messages coming in to his system.
>
>Well...
>
>Heard a rumour that there's an extremely hacked version of csh out there
>which makes use of icmp as a transport layer.  You might want to run tcpdump
>and take a look.

I have an extremely stupid question - why does csh even _need_ a transport
layer, since it always is run on top of a pseudo tty?

--Ken