Firewalla (Gold) and Synology Quickconnect

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Brian Ward

• December 09, 2021 19:19
• Edited

I ran into some puzzling behavior with my Firewalla and my Synology NAS this week.

Before installing the Firewalla, I was using a Ubiquiti Security Gateway (USG3).   Zero issues or configuration changes on the Synology while swapping out firewalls (Firewalla Gold for the USG3).

After installing the Firewalla, the Synology Quickconnect service would always fail.  I stopped / restarted the service on my NAS.  When attempting to restart I received a generic message on the NAS to the effect of "check your network and DNS settings".   The Firewalla had no logs of blocked flows.   

I'll continue to monitor this over the next few days.

I then granted the device emergency access and quickconnect fired right up.  Afterwards, I turned emergency access off for the NAS and the service has remained active.   I can still access services via the quickconnect service.

Update:   24 hours later and I can no longer connect via QC.   I've made no configuration changes on either my firewall or NAS configuration.

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  William Yamada

  • December 08, 2021 19:50

  I just received and installed a Firewalla Purple and am also having problems using Synology Quickconnect to connect to my NAS. I got the message on the NAS that it was unable to reapply port forwarding rules and to please restart UPnP/NatPmP protocol on the router.  I obviously could use help in getting it to work.

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  Brian Ward

  • December 08, 2021 20:39

  I didn't mess with UPNP configuration as Firewalla isn't currently in the supported Firewalls list. 

  Instead try the following:

  • Enable emergency access for your NAS from the Firewalla app
  • Enable Quickconnect on your NAS (it should fireup)
  • Disable emergency access from the Firewalla app

   

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  William Yamada

  • December 08, 2021 21:08

  Thanks Brian, that seems to have worked. I hope that quickconnect will keep working.

   

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  Guillermo Estévez

  • December 12, 2021 03:22

  @Brian Ward, 

   

  if I follow your instructions, I have access to the NAS from the internet while I have the Emergency Access enabled. The moment I disable it, I lose access :(

  Any other solution, apart from leaving it Always Enabled for that device?

   

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  Jan Baniewicz

  • March 07, 2023 13:31

  I'm also interested in that. How can I enable access without emergency access?

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  Scott Chapman

  • November 11, 2024 01:38

  It would be useful to get some help from the firewalla team on this one (at least to help us understand why something isn't working)

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  Firewalla

  • November 11, 2024 18:27

  Did you check and make sure synology is not blocking incoming connections from the internet? one way to test this is, when you are on VPN, ping any device on the network, if they work, then likely synology is blocking connections

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  Andy

  • November 13, 2024 02:37

  I’m running Synology at two locations using Quickconnect and both locations with firewalla and no issues.
  Make sure there are no rules blocking outbound internet access for your NAS.

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  Danel Segarra

  • April 04, 2025 18:47

  I ran into this same issue. No answers anywhere. After some digging, the problem was that the Synology was using the previous Gateway IP address as Gateway and DNS Server. Change those to point to the new Firewalla Device. Also, make sure on the Synology that the DDNS is set up. In my case it had lost the quickconnect prefix. Immediately after those changes, quick connect works without having to enable port forwarding or emergency access. 

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  Scott Chapman

  • April 04, 2025 19:01

  When I look at my NAS, it is using DHCP - so gateway and DNS are coming from firewalla. Also made sure the DDNS is setup properly and working (which it is)

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  Danel Segarra

  • April 04, 2025 19:04

  Is the quickconnect area greyed out?

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  Scott Chapman

  • April 04, 2025 19:07

  from where exactly?

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