security.client.protocol.acl * ACL for HRegionInterface protocol implementations (ie. clients talking to HRegionServers) The ACL is a comma-separated list of user and group names. The user and group list is separated by a blank. For e.g. "alice,bob users,wheel". A special value of "*" means all users are allowed. security.admin.protocol.acl * ACL for HMasterInterface protocol implementation (ie. clients talking to HMaster for admin operations). The ACL is a comma-separated list of user and group names. The user and group list is separated by a blank. For e.g. "alice,bob users,wheel". A special value of "*" means all users are allowed. security.masterregion.protocol.acl * ACL for HMasterRegionInterface protocol implementations (for HRegionServers communicating with HMaster) The ACL is a comma-separated list of user and group names. The user and group list is separated by a blank. For e.g. "alice,bob users,wheel". A special value of "*" means all users are allowed.