# Pastebin aJgjF5C2
core@yoko:~ $ curl -X POST https://openstack:5000/v2.0/tokens \
  -H "Content-Type: application/json" \
  -d '{"auth": {"tenantName": "", "passwordCredentials": {"username": "admin", "password": "admin"}}}'     
curl: (56) Received HTTP code 403 from proxy after CONNECT