On Fri, Feb 3, 2012 at 10:36 AM, Ivo Wever <wever / axini.com> wrote: > If I send a UDP packet containing 'foo' like this: > > ¨ÂïãëåÕÄÐÓïãëåô®îå> ¨Âïãëåô®óåôóïãëïðô¨ÓïãëåôººÓÏÌßÓÏÃËÅÔ¬ ÓïãëåôººÓÏßÂÒÏÁÄÃÁÓÔôòõå> ¨Âïãëåô®óåî䨧æïï§°¬ §¼âòïáäãáóô¾§¬ ´°°°±© > > then wireshark tells me it gets sent from 192.168.x.y. However, my > server is listening on localhost:40001. How can I choose the source > address from which (and the interface via which) the socket will send > its packet? Use #bind - http://ruby-doc.org/stdlib-1.9.3/libdoc/socket/rdoc/Socket.html#method-i-bind