1 IPB Internal The standard method of authentication internal passthrough 1137078935 0 1 0 1 0 1 username 2 LDAP Authentication LDAP / Active Directory Authentication ldap passthrough 1137078935 1 0 1 1 0 1 username 3 External Database Authentication via an external database external passthrough 1137078935 1 0 1 1 0 1 username 4 IP.Converge Internal Use Only ipconverge passthrough 0 0 0 1 1 0 1 username