Navigate to Firewall (tab) and -> NAT/Gaming (subtab)

Navigate to Manage Custom Services

Click on Custom Services button

Add the Service name (any), Update Port# you to forward in Global Port Range (both fields),Base Host Port

Click Add button

Now go to Application hosting entries, select the service , IP Address of the device where your website you are planning to expose to internet. Then click Add button.

Now you should see all the Hosted Applications list.

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