Acer Altos G540 M2 - Manual (Page 182)

Appendix C: Altos eXpress Console 174
Security
Altos eXpress Console offers SSL (Secured Socket Layer) and auto
session time out. Users can add higher security to use Web UI through
HTTPS. In using KVM and media redirection, users also can encrypt the
communication.
Account management
Altos eXpress Console implements role-based management. User
accounts are separated into 3 levels, no access, operator and
administrator. Altos eXpress Console also provides LDAP Client
Support.