* Forward a port to your HDA ip address, either for plain insecure http: 80, for https, 443 (advanced users can use other ports).Some routers call this or require a "virtual server"* Chose a domain name that you own (or your free username.yourhda.com that comes with Amahi). This is how the app will beaccessed outside* Chose the app you want to make accessible outside, let's say, ''blog'' What you need to do (as root) is edit the config file for the app:  cd /etc/httpd/conf.d nano *blog.conf Then add:  ServerAlias username.yourhda.com You can add more server aliases if you want to access the app under those names. Then restart the server:  serivce httpd reload