This happened to me just now, same version, and was "fixed" by deleting the http_proxy environment variable in my shell, which was pointing to a working squid instance. I didn't diagnose further. The same configuration worked fine for youtube, but failed for vimeo.
-- James Cameron http://quozl.linux.org.au/ -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org