* [[Networking_-_Static_IPs|Configure Static IP Address]]: Create static IP address for client devices.
 
* [[Key-Based_SSH_Logins|Secure Shell (SSH)]]:  Key-based SSH terminal access to your HDA. 
* [[VPN|Virtual Private Network (VPN)]]:  Required for secure connection between a client and HDA outside your network.  Amahi application [http://www.amahi.org/apps/openvpn VPN] provides the capability.