From: "Iñaki Baz Castillo" Date: 2011-11-01T12:37:03+09:00 Subject: Re: UDPSocket#bind(ip, port) fails under IPv6 ! 2011/10/31 Eric Hodel : > You need to create an AF_INET6 UDPSocket to bind an IPv6 address > >  $ ruby -vr 'socket' -e 'u = UDPSocket.new Socket::AF_INET6; u.bind "::1", 9999' >  ruby 1.8.7 (2010-01-10 patchlevel 249) [universal-darwin11.0] > > Repeated from http://redmine.ruby-lang.org/issues/5525 Thanks a lot. It works. Anyhow I've commented in the bug report. IMHO it should work out-of-the-box as in the case of TCPServer. -- Iñaki Baz Castillo