Remote Access to Synology NAS: Best & Safest Methods
The best and safest ways to access a Synology NAS from afar
Modern businesses and teams that work from different locations need to be able to access their Synology NAS from afar. Remote access must strike a balance between ease of use, speed, and security, whether users need to get files, manage backups, or run systems from outside the office. There are many ways to access Synology from a distance, but not all of them give you the same level of control or safety.
Why it is important to have secure remote access
If you don’t do it right, exposing a NAS to the internet can be dangerous. If remote access is set up wrong, it can let people in without permission, expose ransomware, or leak data. Because NAS systems often store backups, sensitive files, and business-critical data, remote access should always be set up with security in mind.
The safest setups limit the number of places an attacker can get in, encrypt traffic, and make sure that authentication is strong.
VPN Access: The Best Choice
Most people think that the safest way to access a Synology NAS from a distance is through a VPN (Virtual Private Network). A VPN makes it look like the NAS is being accessed from inside the office by creating an encrypted tunnel between the remote device and the local network.
Synology DSM can act as a VPN server and works well with VPN solutions that are based on routers or firewalls. Users can access DSM, file shares, and services once they are connected, but NAS ports are not directly exposed to the internet.
VPN access is best for:
- Companies that deal with private information
- IT admins who run systems from afar
- Environments that need to follow rules or keep things safe
VPNs take longer to set up than other methods, but they offer the best protection and full access to the network.
QuickConnect: Easy to Use, but Not Perfect
Synology QuickConnect is easy to use. It lets people use NAS services without having to set up port forwarding or public IP addresses. Synology acts as a connection broker, creating a secure tunnel between the user and the NAS.
QuickConnect is a good fit for:
- Small groups or people who work from home
- Places that don’t have IT staff on hand
- Access to files from afar every now and then
But when direct connections aren’t available, QuickConnect might send traffic through Synology relay servers. This can cause lag and make large file transfers slower. It also gives you less control over network paths than VPN-based access does.
Port Forwarding with Dynamic DNS
Dynamic DNS (DDNS) lets you access a NAS using the same hostname even if the public IP address changes. DDNS lets you access DSM and NAS services directly when used with router port forwarding.
This method works better than relay-based connections because traffic goes straight from the client to the NAS. But if it’s not properly protected, it also makes you more vulnerable.
You should always use DDNS access with:
- Encryption with HTTPS
- Two-factor authentication and strong passwords
- Firewall rules that limit the IP ranges that can be used
DDNS gives organizations that know how to network flexibility and speed, but they need to be careful about security.
Access through HTTPS and Reverse Proxy
Synology DSM has a built-in reverse proxy that lets administrators publish services securely under HTTPS without opening multiple ports. This method is often used with DDNS and SSL certificates that are trusted.
Here are some situations where reverse proxy access is helpful:
- Putting out specific services, such as apps or file portals
- Cutting down on the number of open ports
- Making things safer and easier to manage
When set up right, it gives you a clean and professional way to access your computer from afar while reducing the risk of attacks.
What to Stay Away From: Unsafe Ways to Access Remotely
Exposing DSM or file services to the internet without encryption, firewall rules, or two-factor authentication greatly raises the risk. Using default ports, weak passwords, or old firmware makes it easy for automated attacks to get into NAS systems.
Obscurity should never be the only thing that makes remote access safe.
Best Ways to Keep Remote Access Safe
No matter what method you use, there are some best practices that apply:
- Turn on two-factor authentication
- Update DSM and packages regularly
- Make sure your passwords are strong and unique
- Limit access based on user role and IP range
- Check the logs for logins and access often
Layered security makes sure that other controls stay in place even if one fails.
Choosing the Right Way
Most businesses find that VPN-based access is the safest and most flexible option. QuickConnect is great for simple, low-risk uses, but DDNS and reverse proxy setups are better for businesses that need more advanced networking.
A lot of places use a mix, like VPN for administrators and QuickConnect for end users.
About Epis Technology
Epis Technology helps businesses set up secure and reliable remote access solutions by providing enterprise IT infrastructure, data protection, and Synology consulting services. The company is an expert in setting up Synology, designing VPNs and firewalls, making sure that remote connections are safe, and creating backup systems for Microsoft 365 and Google Workspace. Epis Technology makes sure that NAS environments stay accessible without putting data protection or resilience at risk by making sure that remote access methods are in line with security best practices and business needs.