Port 5000 — UPnP / Synology
Quick reference for TCP/UDP port 5000, used by UPnP / Synology. Includes what the service does, security guidance and related ports.
What is port 5000?
UPnP control; Synology DSM HTTP.
What port does UPnP / Synology use?
UPnP / Synology listens on port 5000 by default.
Is port 5000 open? How to check
Run one of these from your computer, replacing HOST with the IP address or domain you want to test.
nc -zv HOST 5000
Test-NetConnection HOST -Port 5000
nmap -p 5000 HOST
A refused or timed-out connection means the port is closed or filtered by a firewall.
Security guidance
Medium risk — open with care
Port 5000 (UPnP / Synology) can safely face the internet if you keep the software up to date, restrict admin endpoints, and use TLS where possible. Audit who can reach it and watch your logs.
Devices that use port 5000
10 devices in our database expose a service on port 5000.
Related ports
Frequently asked
What is port 5000 used for?+
Port 5000 is the standard TCP/UDP port for UPnP / Synology. UPnP control; Synology DSM HTTP.
What port does UPnP / Synology use?+
UPnP / Synology listens on port 5000 by default.
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