Added a patch upstream to enable IPv6 by default on Linux: Sourceforge patch entry: https://sourceforge.net/tracker/?func=detail&aid=3534307&group_id=132964&atid=725711
Related entry in the forum: http://pocoproject.org/forum/viewtopic.php?f=10&t=5356&p=8952&hilit=IPv6#p8952 Thanks! Francis