How to Access Data on the Synology Server Remotely

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This page is currently inactive since May 20, 2011 and is retained for historical/archival reference.
Please look refer to the Remote Access on the Synology DiskStation article for the newest revision of this article.

This is a guide on how to access data on the Synology Server Remotely, via the Internet. This is beneficial for users who are at remote offices or are away from the Server, and need to upload new content, or to access their files at their remote office.


  • To do this, ports must be forwarded from the WAN to the Synology Server, please look at this guide if you are not familiar on how to forward ports.
  • This guide assumes that you are familiar with file manipulation tasks, such as moving, copying data from one folder to another.

Access data via Synology File Station

The Synology File Station is a a Web-Based File Manager, which can be used to perform basic file management duties, such as moving data from one folder to another. The benefit of using the File Station to perform these tasks is that data is manipulated internally of the server, and not manipulated from the client computer. Another function with the File Station is if enabled for remote use, users can upload and download data to the Synology product remotely. The following quick steps will instruct users on how to enable the File Station.

  • Ports required:
    • Non-Secured: 5000
    • Secured:5001
  • Firmware 2.0.3 - 518 or greater is needed for File Station functionality

Step 1:

Enable the File Station, if not enabled
Go to

  • Synology Administrative Menu
  • Network Services
  • Web Services
  • Enable "File Station"
  • Press OK

For version 2.3 go to:

  • File sharing
  • File station
  • Enable "File Station 3"
  • Press OK

Step 2:

To login to the File Station, return to the main Login screen and select "File Station" and proceed with your user credentials. Note: When accessing your Synology server remotely over an insecure network (e.g. the internet) it is recommended to use secure (encrypted) communication to the Server to protect others from accessing your passwords and data, i.e. use "https" on port 5001 instead of "http" on port 80 or 5000.


Step 3:

This is the File Station User Interface will be shown. Here on the left is the directory or folder listing, beginning with all root shares that are available on the server. In the right pane is a list of contents within the selected folder (from the left pane) and also are several buttons which will perform the file management tasks. To download a file, simply click on the file that is required.


Known Limits

  • User limit: Only one user is allowed access to the File Station; if more users are needed, please use the FTP interface.
  • Batch Downloads: At this current time, the File Station is not capable of Batch Downloading of multiple files, or downloading whole directories; please use a FTP client to perform this task.
  • Browser limits: Here is a list of known browser limits, for files which can be uploaded or downloaded
Browser Max Upload Max Download
Microsoft Internet Explorer 7 2GB 4GB
Mozilla Firefox 2 2GB Infinite
Safari 2GB? ?

Access data via FTP Service

Using the FTP Service of the Synology product offers greater versatility and capabilities than the File Station, such as the ability of downloading multiple files, and no known file size limits. To use the full potential of using the FTP service, FTP clients are required, such as CoreFTP, FileZilla or FireFTP for Mozilla FireFox. Instructions on how to enable the FTP service follows.
Default Ports required:

  • 20
  • 21
  • 55536-56559 (For Passive FTP, default browser setting)

Step 1:

Enable the FTP Service
Go to

  • Synology Administrative Menu
  • Network Services
  • FTP Service
  • Enable FTP Service, press OK. Note: when accessing your Synology server remotely over an insecure network, e.g. the internet, it is recommended to only use secure/encrypted communication to the Server to protect against others accessing your passwords and data. However on a network you consider secure (e.g. your home network) you may not want the processing overhead or restrictions imposed by using encrypted communication. Consequently be carefull before checking the "Allow SSL/TLS connection only" check box. Checking this option will prevent you using Microsofts Windows Explorer as your ftp client as it does not support SSL/TLS.
  • If your Synology Station is attached to a router, be sure to activate the option 'report external IP in PASV mode' if you want to access your data through the internet.

Be sure to note the port settings, if different than default.


Step 2:

Browsing the contents of the Synology Server. If you wish to use secure (encrypted) communication to the Synology Server you need to activate/configure the SSL/TLS option in your ftp client, note Microsofts Windows Explorer does not support encryption. Here is an example of default FTP client in Firefox



To send embedded links to other users for downloading, use the following code to send an email to the clients (note the follwoing code passes passwords in an unsecure manner, e.g. passwords are publicly visible, hence use with care or use another secure method)