How to set the read ACL in open stack swift such that allow Read for all users and deny for one user.
For example, i have one container i.e container10. suppose five users are there u1,u2,u3,u4,u5. All having the member role only. I want to set acl on container10, so that u1,u2,u3 can stat, and list ...but u4 can't.