QuickConnect
Based on Synology's reliable global infrastructure and hole punching technology, QuickConnect allows you to access your Synology NAS anytime, anywhere, from any device and browser, without having to set up port forwarding and firewalls. See the white paper for more technical details regarding QuickConnect

Synology DDNS
With DDNS, you can access your NAS using the domain name you set, which is easier to remember compared with the IP address. Synology DDNS provides the following features that allow you to set up DDNS on your own:
- Support for IPv4 and IPv6
- Let's Encrypt®, which supports SSL certificates