How to manually change the Symform contribution port on a Synology NAS

Symform is a cloud-based backup solution which allows you to have 10 GB of backup space free, and get additional free space, as well as support, by contributing space.

In order to contribute, you need to have a port forwarded to your Synology device. However, in my experience, I wasn’t able to choose the port (as it’s chosen randomly during installation). If the port number that the Symform service chooses is already taken, or you prefer to assign another port number, here’s how to do it.

To do this, you will already need to know how to set up port forwarding on your router, and install and set up the Symform service on your Synology NAS, as well as be familiar with how to SSH into your Synology NAS. This only shows you how to manually edit the contribution port number chosen by the Symform service.

Make sure the Symform service is stopped

Do this by logging into your Synology on the admin port (usually 5000 or 5001) and going to Package Center. Under Installed, you can stop the Symform service by clicking the stop button. Once the service is stopped (as shown below), you can continue.

symform_stopped

SSH into your Synology NAS

If you haven’t already, turn on the SSH (or telnet) service by going to Control Panel > Terminal, and enabling the desired service. Next, SSH (or telnet) into your Synology NAS box. Once logged in, go to the Symform configuration directory by typing:

cd /volume1/@symform/lib

Next, open node.config with the vi editor:

vi node.config

Locate a line starting with <contribution enabled="True" fragmentStorePath= and scroll to the right of that line, and you will see port="43100" (or another port number). If you’re not familiar with the vi editor, carefully follow the following commands to edit the file in-place:

  • Press the a key to enter append (editor) mode
  • Cursor to the value and use the keyboard to edit it
  • Press the ESC key to exit editing mode
  • Type :w followed by enter to save the file
  • Type :q followed by enter to quit the editor

Now go back to Package Center and start the Symform service.

You will be able to see the updated port number in your Symform control panel.

If you have any questions, comments, or thoughts to share, please do so in the comments below. Thank you!

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