From: Roger Pack <rogerpack2005@...>
Date: 2010-04-28T02:00:15+09:00
Subject: Re: Ruby networking: Errno::ECONNREFUSED: Connection refused - connect(2) on Ubuntu 9.1

> dts = TCPServer.new('localhost', 9900)

If you want to be able to connect to it on more than just 'localhost' / 
'127.0.0.1' then bind to '0.0.0.0' (or to nil or '' -- which are aliases 
for the same).
GL.
-rp
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