Rocket. Chat provides you with various options for adding users to your workspace.
LDAP configuration on Rocket.Chat can be used to establish connections, used for authentication, storing information about users and sync your data.
LDAP (Lightweight Directory Access Protocol) enables anyone to locate data about your server or company. https://docs.rocket.chat/guides/administration/admin-panel/settings/ldap/ldap-sync-settings#sync-import
To configure LDAP authentication, go to Administration > Workspace > Setting > LDAP.
SAML (Security Assertion Markup Language) is used for exchanging authentication and authorization data. https://docs.rocket.chat/guides/administration/admin-panel/settings/saml/rocket.chat-server-settings#connection
To access SAML setting, go to Administration > Workspace > Settings > SAML.
You can configure authentication methods beyond just username and password. https://docs.rocket.chat/guides/administration/admin-panel/settings/oauth
To access OAuth setting, go to Administration > Workspace > Settings> OAuth.
CAS (Central Authentication Service) allows members to use one set of credentials to sign in to multiple sites over multiple protocols. https://docs.rocket.chat/guides/administration/admin-panel/settings/cas
To access this setting, go to Administration > Workspace > Settings > CAS.