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Tailscale/synology/NFS remote access
(lemm.ee)
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this post was submitted on 04 Jul 2024
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My first guess is that using an actual hostname isn't going to work for you if that hostname is served by your local network DNS (meaning, not using magicdns on tailscale), which you would not be on when connected via tailscale unless you override your DNS server once connected.
Try by IP instead. Give errors if that doesn't work.
It's the same error regardless of whether I connect by tailscale IP (100.x.x.x) or the tailscale hostname, and it strongly suggests an issue on the Synology, but everything looks correct on the NAS (but I am by NO MEANS an expert):
mount.nfs: access denied by server while mounting $IP:/volume1/$mountI don't use synology but it kind of seems like the synology has an allowlist for subnets that can connect to it. Do you know what service is hosting the file share?
The allowlist for NFS allows the tailscale subnet and the local LAN subnet.
Does tailscale have a consistent subnet? Can you connect to the NFS share over the LAN net?