Forward Ports on Your Router for Synology DS411slim

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Port Forward Staff
July 22, 2021 (Last Updated: ) | Reading Time: 2 minutes

The ports that need to be forwarded for a Synology DS411slim NAS are listed here:

Synology DS411slim - PC

  • TCP: 20-22, 25, 80, 110-111, 137-139, 143, 443, 445, 548, 873, 892, 993, 995, 2049, 3260, 4672, 5000-5001, 5005-5006, 5432, 6881-6999, 7000-7001, 9997-9999, 55536-55663, 55736-55863
  • UDP: 25, 110-111, 137-139, 143, 445, 892, 993, 995, 2049, 4662, 4672, 5432, 6881-6999, 9997-9999

Set Up a Port Forward for a Synology DS411slim NAS

When you use a Synology DS411slim NAS you might need to forward some ports in your router. The purpose of forwarding ports is to make a direct connection from the internet to a Synology DS411slim NAS.

Routers are not designed to allow incoming network requests. A port forward can overcome this limitation.

Remember to Do These Things Before You Forward a Port

Make sure that you know these things before forwarding a port:

Find the IP Address of Your Router

We have free Router Detector software to help you find your router's IP address. It's a part of the Network Utilities suite of tools and it's completely free to use.

You can also follow our Find Your Router IP Address article.

How To Set Up Port Forwarding for a Synology DS411slim NAS

A smart way to forward your ports is to use Network Utilities. With Network Utilities, you can easily forward ports and also un-forward ports quickly so that you can keep your network up to date with the ports that you need forwarded and maximize your network security.

Port forwarding can also be set up step-by-step by hand. The process for forwarding a port is:

You probably will need to reboot your router for the changes to take effect.

You can choose your router from our list to see exactly how to forward ports for a Synology DS411slim NAS:

List of Routers - Customized for Synology DS411slim

Those are the steps to take in order to forward ports in your router for a Synology DS411slim NAS.

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