From: Daniel Waite <rabbitblue@...>
Date: 2010-06-10T04:58:47+09:00
Subject: Socket programming in Ruby

What are the requirements for the IP address passed to TCPSocket.new?
Example...

>> require 'socket'
=> true
>> s = TCPSocket.new '127.0.0.1', 6500
Errno::ECONNREFUSED: Connection refused - connect(2)
  from (irb):2:in `initialize'
  from (irb):2:in `new'
  from (irb):2

In other words, what relationship does the machine on which the Ruby
code is being run have with the IP address referenced in the code?
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