Port 5024SCPI over Telnet

Remote SCPI command interface for controlling and querying networked test instruments, commonly over TCP.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 6/10
lookups: 0

also known as scpi-telnet

Technical Details

what runs on :5024

SCPI-TELNET provides an interactive command interface to an instrument using SCPI text commands and responses. Implementations normally use TCP on port 5024; SCPI messages are typically newline-terminated, though exact response and session behavior can depend on the instrument. The IANA registry also lists UDP, but UDP is not the usual transport for this interactive service. A related instrument-control option is the raw SCPI socket commonly found on TCP port 5025.

Security Information

exposure of :5024

risk score

6/ 10risk

treat as sensitive. widely scanned and regularly exploited when reachable — restrict it to known sources.

network services averages 2.6 across 1,606 ports — this one sits 3.4 above.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

Treat this as a control interface, not a harmless diagnostic port: a client may be able to change instrument settings, trigger operations, or read measurement data. Implementations and authentication differ, and traffic is generally unencrypted; restrict access to trusted lab or management networks and do not expose it directly to the internet.

Record

iana registry entry

port: :5024
service: SCPI over Telnet
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 6/10risk
category: Network Services System
usage: This port is used by test and measurement equipment to accept SCPI (Standard Commands for Programmable Instruments) commands over a Telnet-style connection. Engineers encounter it when remotely querying or controlling instruments such as power supplies, meters, and signal generators; support and authentication vary by manufacturer.
lookups: 0rank 993
added: 2026-10-06
updated: 2026-10-06
references: IANA service name registry — port 5024

Something wrong?

This record is maintained by the engineers who use port 5024. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-10-06.

01edit any field on a page of its own
02a model checks it for accuracy and spam
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edit this record →back to the registry

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risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :5024SCPI over Telnet

Technical Details

Security Information

Related Ports

Port 5024SCPI over Telnet