I try to install magento 2.0.1 on cloud9 (c9.io) but keep getting a redirect loop when calling the admin site.
http://mage2-lptt.c9users.io/admin_1a798x/ same with https.
The Log only shows:
[Thu Jan 28 09:24:14 2016] 10.240.0.174:33786 [302]: /admin_1a798x/
[Thu Jan 28 09:24:15 2016] 10.240.0.188:41942 [302]: /admin_1a798x/admin/index/index/key/1e30bc5f51f9e34b0a6234eaef2e20b03618a98c119c8ca17875e3977b929de2/ [Thu Jan 28 09:24:15 2016] 10.240.0.177:57048 [302]: /admin_1a798x/admin/index/index/key/1e30bc5f51f9e34b0a6234eaef2e20b03618a98c119c8ca17875e3977b929de2/
...
Any ideas how to resolve this?