First you need to connect to the web page Log-in OpenStack. On the Log In page, Autentichate using "OpenID connect", and click Access. Then, choose your Identity Provider (e.g. iam.cnaf.infn.it/). After, enter your user name and password, and click Sign In.
...
Security Groups: View, create, edit, and delete security groups and security group rules..
Floating IPs: Allocate an IP address to or release it from a project.
...