SSH Into Synology: A Secure Way to Access Your Device


Greetings, tech enthusiasts! In this digital era, where remote access and data security play a vital role, Synology has emerged as a leading provider of network-attached storage (NAS) solutions. With its intuitive user interface and robust features, Synology devices have become a go-to choice for individuals and businesses alike.

One essential feature that sets Synology apart is the ability to establish a secure shell (SSH) connection. SSH offers a secure and encrypted communication channel, enabling users to remotely access their Synology device’s command-line interface. In this article, we delve into the ins and outs of SSH into Synology, highlighting its advantages, disadvantages, and providing a comprehensive guide to help you leverage its potential.

1. What is SSH and Why is it Important?

Secure Shell (SSH) is a cryptographic network protocol that allows secure communication over an unsecured network. It provides a secure means to establish a remote connection to your Synology device, ensuring that any data transmitted between your computer and the NAS remains encrypted and protected from prying eyes.

SSH is vital for various reasons. Firstly, it offers enhanced security compared to traditional remote access methods, such as Telnet, which transmit data in plain text. By encrypting the traffic, SSH prevents malicious actors from intercepting sensitive information or deploying attacks. Secondly, SSH provides administrative access to the command-line interface (CLI) of your Synology device, allowing advanced configuration, troubleshooting, and automation tasks.

⚡️ Key Point: SSH is a secure and encrypted protocol that enables remote access to your Synology device, ensuring confidentiality and enabling advanced configuration tasks.

2. Enabling SSH on Your Synology Device

Before you can start utilizing SSH to connect to your Synology device, you need to enable the SSH service. Synology provides a user-friendly web-based interface, making this process straightforward:

Step Description
Step 1 Launch the Synology DiskStation Manager (DSM) on your computer.
Step 2 Go to “Control Panel” and select “Terminal & SNMP.”
Step 3 Click on the “Terminal” tab and check the box next to “Enable SSH service.”
Step 4 For enhanced security, specify a different port number if desired.
Step 5 Click “Apply” to save the changes.

⚡️ Key Point: Enabling SSH on your Synology device can be done through the user-friendly DiskStation Manager interface by following a few simple steps.

3. Connecting to Your Synology Device Using SSH

Once SSH is enabled, you can establish a secure connection to your Synology device using an SSH client. Here’s a step-by-step guide:

Step 1: Obtain an SSH Client

To connect to your Synology device, you will need an SSH client. Popular options include PuTTY (Windows), OpenSSH (Linux), and Terminal (Mac). Download and install the SSH client suitable for your operating system.

Step 2: Launch the SSH Client

Open the installed SSH client application on your computer to initiate the connection setup.

Step 3: Configure the SSH Connection

Configure the SSH connection settings as follows:


Enter the IP address or domain name associated with your Synology device.


Enter the SSH port number you specified during the SSH service setup.


Ensure that the SSH protocol (SSH-2) is selected for secure communication.


Provide your Synology device’s username, typically “admin” by default.


You can choose to authenticate either via a password or an SSH key, depending on your preference.

Step 4: Connect to Your Synology Device

Click on the “Connect” or “Login” button to initiate the SSH connection. If all the provided information is accurate, you should be successfully connected to your Synology device’s command-line interface.

⚡️ Key Point: By using an SSH client and configuring the connection settings, you can establish a secure SSH connection to your Synology device, gaining command-line access.

4. Advantages of SSH into Synology

SSH into Synology offers numerous advantages that make it a preferred method for remote access:

4.1 Enhanced Security

As mentioned earlier, SSH provides end-to-end encryption, preventing unauthorized access and protecting your data from eavesdropping and tampering.

4.2 Command-Line Interface

By accessing the Synology device’s command-line interface, you gain granular control over advanced administrative tasks, configuration changes, and automation.

4.3 Flexibility

SSH allows remote access from anywhere, providing flexibility for managing your Synology device without physical proximity to the NAS.

4.4 Portability

With SSH, you can connect to your Synology device using different operating systems and devices, making it versatile and accessible.

4.5 Automation and Scripting Capabilities

SSH enables the execution of scripts and commands remotely, enabling automation of various tasks, such as backups, updates, and file transfers.

4.6 Secure File Transfer

With SSH’s secure tunnel, you can transfer files securely between your computer and the Synology device over the network.

4.7 Troubleshooting and Debugging

SSH provides a direct means to diagnose and troubleshoot issues on your Synology device, aiding in efficient problem resolution.

⚡️ Key Point: SSH into Synology brings enhanced security, command-line control, flexibility, portability, automation capabilities, secure file transfer, and troubleshooting advantages.

5. Disadvantages of SSH into Synology

While SSH offers numerous benefits, it’s essential to consider some potential downsides:

5.1 Complexity for Novice Users

SSH relies on command-line interaction, which may be intimidating for users unfamiliar with the CLI environment.

5.2 Higher Learning Curve

To leverage the full potential of SSH, users must invest time in understanding and mastering CLI commands and best practices.

5.3 Potential Security Risks

Improper SSH configuration or weak credentials can introduce security vulnerabilities, emphasizing the need for robust security practices.

5.4 Limited GUI Functionality

While the command-line interface offers extensive control, it lacks the visual convenience and intuitiveness of a graphical user interface (GUI).

5.5 Risk of Misconfiguration

Incorrect configuration changes made through SSH can lead to system instability or unintended consequences, necessitating caution.

5.6 Overutilization and Resource Consumption

Excessive usage of SSH and resource-intensive operations can overload the Synology device, affecting overall system performance.

5.7 Potential Interference with Manufacturer Support

Modifications made via SSH may void the manufacturer’s warranty and limit access to official support channels, necessitating self-reliance.

⚡️ Key Point: Consider the complexity for novice users, learning curve, potential security risks, limited GUI functionality, misconfiguration risks, resource consumption, and impact on official support when SSHing into Synology.

6. Complete Information Table for SSH into Synology

Information Description
Protocol SSH (Secure Shell)
Main Purpose Remote access and administration of Synology NAS
Security End-to-end encryption
Port Default: 22 (Customizable)
Authentication Password or SSH key
Supported OS Windows, Linux, Mac