--2013-09-29 16:17:03--  http://gnunet.org/doodle/download/doodle-0.7.0.tar.gz
Resolving gnunet.org... 131.159.74.67, 2001:4ca0:2001:42:225:90ff:fe6b:d60
Connecting to gnunet.org|131.159.74.67|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://gnunet.org/doodle/download/doodle-0.7.0.tar.gz [following]
--2013-09-29 16:17:04--  https://gnunet.org/doodle/download/doodle-0.7.0.tar.gz
Connecting to gnunet.org|131.159.74.67|:443... connected.
ERROR: cannot verify gnunet.org's certificate, issued by `/C=DE/O=Technische Universitaet Muenchen/CN=Zertifizierungsstelle der TUM':
  Self-signed certificate encountered.
To connect to gnunet.org insecurely, use `--no-check-certificate'.
Unable to establish SSL connection.