Synology Router VPN

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1

Hello,

I am trying to get access to my home network while I am out of the state. I have a Synology router.

Are there some straight forward steps to setup openVPN on the router so that I can access while away from home?

I did this same setup before (with openVPN) on a netgear router so I was hoping the process would be the same on a synology router.

Thank you.

2

While Synology offers OpenVPN (known for its ease of use), L2TP/IPsec is another option. Here’s a comparison to help you choose:

  • L2TP/IPsec: Widely supported by devices without extra software, but setup might have more steps.
  • OpenVPN: Considered more secure due to frequent updates, but some devices might require a separate VPN client app.

Setting Up L2TP/IPsec VPN:

  1. Open DSM and enable VPN Plus Server.
  2. In the left panel, click L2TP/IPsec and check “Enable L2TP/IPsec VPN server.”
  3. Create a strong “Preshared Key” (password) for authentication.

Advanced settings (optional):

  • Define allowed access range for connected devices within your network.
  • Adjust MTU (consult your ISP for recommended size - eg 1360 for my mobile phone ISP. Default of 1400 stops the internet connetion on my phone when connected to the VPN).

Save your configuration and connect to the VPN:

  • On your device, go to VPN settings (Network/Connections).
  • Select L2TP/IPsec and enter details:
    • Server Address: Your Synology Router’s DDNS hostname or public IP.
    • Preshared Key: The one you created in step 3.
    • Username and Password: Your Synology NAS credentials.

For detailed OpenVPN setup, refer to this video guide: https://youtu.be/vBXlZf7gSwc?si=v5WHYjiSBCq92A0X

For secure remote access, I utilize L2TP/IPsec with automatic IP and account blocking, along with geo-IP filtering. Fortunately, despite seeing a high volume of connection attempts (+3000/day) on my router over the past five years (running L2TP/IPsec VPN 24/7), I haven’t detected any hacks on the accounts of my rt2600ac router or Synology NAS directly. :slight_smile:

3

I’ve used Synology’s own VPN Plus with good success.

4

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