Port 100012 services

2 entries are registered on port 10001. It is a registered port (1024–49151) — IANA records an assignee, but nothing stops other software from listening here, which is why the number carries more than one entry.

entries
2

services registered on this number

transport
tcp · udp

2 transports in use

in transit
0/2

entries encrypted on the wire

worst risk
4/10

1 of 2 iana-registered

Services on this port

ranked by lookups
portservicerisk
:10001Lantronix RS-485 Convertercaution
:10001SCP Configurationsafe

01Lantronix RS-485 Convertertcp · unofficial · risk 4/10

The Lantronix UDS-10/UDS100 RS-485 to Ethernet Converter facilitates the seamless integration of legacy serial devices into modern TCP/IP networks, enabling remote access and data transmission over Ethernet. Operating typically on port 10001, it acts as a gateway translating serial communications to network protocols, crucial for environments relying on serial-enabled industrial equipment.

port 10001 as Lantronix RS-485 Converter

Which one is on your host

ask the machine, not the registry

The registry says what 10001 is registered to. What is listening on it right now is decided by the host, and only the host can be asked. Each of these prints the process behind the socket.

linux
ss -ltnp | grep ':10001\b'
macos
lsof -nP -iTCP:10001 -sTCP:LISTEN
windows
netstat -ano | findstr :10001

On Linux and Windows the process name comes back with the socket; on macOS lsof needs sudo to name a process that isn't yours. Match what it prints against the 2 entries above.

A port number is not a service. Anything may listen on 10001 — what you actually met is decided by the host, not the registry. If a service is missing here, it belongs in the registry.

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