When I search the UDFs, I find at least three with the word "ping".

http://www.kixtart.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=12;t=000012
http://www.kixtart.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=12;t=000247
http://www.kixtart.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=12;t=000219
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Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.