Graph API Access without HTTPS

Question

We have a Facebook app running on our production having HTTPS and it works fine. For same app we have a development/stage setup but don’t have HTTPS. Till 2012-02-23, both the s

Answer 1

1. Yes, if passing an access token ( which is needed for most API calls) you must use HTTPS
2. Possibly, but it's far more likely to be a firewall problem on your side - Facebook would accept the connection but return an error message, but you're not even getting a connection to Facebook