From: brabuhr@... Date: 2010-01-23T22:54:38+09:00 Subject: Re: Use Ruby to make a MTU sweep utility (Ping) On Sat, Jan 23, 2010 at 1:39 AM, Dale Ackerman wrote: > I have this in a loop > > results = `ping -s #{bytes} -c 1 -D #{host}` > > the code runs fine localhost and on my godaddy IP  hoever it blows up on > another site.  But I am not confident I am doing this right so How can I > tell if its my code or a valid black-hole MTU? "blows up" in what way?