Which Services should I install?

Service

Feature

DMZ proxy server

(Bastion + Access Control filter) 

Domain Access Portal

web site server 

Domain Authentication server

(+Authentication Extender) 

SIP filter 
DDos
Protection
++*
+
Two Factor
Authentication
(device pairing)

+
+
App Credentials++++
MDM Integration++
+
Ethical Wall
+
+
DLP
+
+