Registered as scp-config; on UDP it is Ubiquiti's device-discovery responder, a known amplification reflector.
IANA registers 10001 on both transports as scp-config ("SCP Configuration"), which you will rarely encounter. The listener that matters is on UDP: Ubiquiti's discovery protocol, which UniFi and airMAX devices answer with their model, firmware, MAC, and hostname. It is a documented DDoS reflector at roughly 7x amplification, with about 127,000 exposed reflectors counted in 2020. On TCP, 10001 shows up mostly as a raw serial-over-Ethernet port on device servers and as a generic alternate application port; Nmap sees TCP 10001 open on about 0.13% of hosts.
Do not expose
The UDP responder both enumerates your hardware and hands attackers an amplifier — firewall it at the edge. Raw serial redirectors on TCP 10001 typically have no authentication at all.
$ sudo nmap -sU -sV -p 10001 TARGETSeen this on your network? Beige Box scans your Wi-Fi and shows every open port on every device — and its Ports tool links straight back here.
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