Synology NAS tips

Synology NAS tips | How to make a Synology NAS respond to pings

4 min read

Having your NAS respond to pings is a handy way to check if it’s working properly. As it lets you see if your NAS is reachable from any devices on your network. But once you set up your firewall on your NAS, it won’t respond to pings by default. So in this video, we’ll show you how to make your Synology NAS respond to pings again.

The reason that the firewall on your NAS restricts ping responses is for security purposes. For example, if you are concerned about potential attacks or unauthorised access attempts, you can configure the firewall on your NAS to block incoming ping requests. This in turn can then provide an additional layer of protection against potentially malicious activities.

However as you can also configure your NAS, to only respond to a ping request from a device that is on your Local Area Network (LAN). Ultimately, whether or not you choose to allow your Synology NAS to respond to pings will depend on your specific security requirements and your overall network setup.

Note: If you’re using Windows, macOS, or Linux, you’ll need to use the ping command from a terminal window. But guess what? The command is the same for all three operating systems. So, even though we’re using a terminal from within macOS, you can still use the same ping command from a terminal for Windows or Linux.

Log into Disk Station Manager using your Administrators credentials.
From the desktop of the DSM select Control Panel – Security.
In Security choose Firewall.
Under Firewall Profile select Edit Rules.
When the list of your existing rules appears choose Create.
Under Ports tick Custom, then click on the Custom button.
Set Protocol from TCP to ICMP.
Click on OK.
Under Source IP, choose Specific IP and click on Select.
Choose the option IP range.
Set the From and To fields to the first and last IP addressing used by your DHCP server.

Note: Due to DHCP assigning a Dynamic IP address to our computer. We can not be certain of the IP address our computer will be assigned with. So in order to make sure that our computer receives a ping response. We are allowing any IP address in our DHCP’s address pool, to be able to ping our NAS.

When we select OK our new rule is set and our NAS will respond to pings from devices on our home network.
Select OK.
Under Action we need to make sure the rule is set to Allow.
Now by choosing OK we create our rule.
Finally we need to move our new rule so that it is above our Deny all rule.

Microsoft article – Windows commands.
Microsoft article – Ping.
Wikipedia article – Terminal (macOS).
Mydoodads article – Useful macOS network terminal commands – Run a Ping tes t.
Mydoodads article – Useful Windows network commands – Using the Ping comman d.
Mydoodads article – Google Chromebook troubleshooting – How to run a ping test in Chrome OS.

Synology NAS tips | How to make a Synology NAS respond to pings

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