Port 34962PROFINET RT Unicast

PROFINET real-time unicast traffic for communication between industrial controllers and field devices.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 7/10
lookups: 0

also known as PROFINET Real-Time

Technical Details

what runs on :34962

IANA assigns port 34962 over both TCP and UDP to PROFINET RT Unicast. PROFINET RT is used for time-sensitive industrial communication; cyclic PROFINET IO traffic commonly uses direct Ethernet frames (EtherType 0x8892), rather than a conventional TCP session, so a port-based observation may reflect a particular stack or implementation rather than all PROFINET RT traffic. Related assignments include 34963 for PROFINET RT multicast and 34964 for PROFINET connection management. Do not infer a TCP handshake or a single fixed application framing solely from the port number.

Security Information

exposure of :34962

risk score

7/ 10risk

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

network services averages 2.6 across 1,984 ports — this one sits 4.4 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

PROFINET is an operational technology protocol, so exposing a reachable implementation can give an attacker a path to probe or disrupt industrial communications. Base real-time traffic should not be assumed to provide encryption or authentication; keep it on segmented control networks and restrict access to the specific peers that need it. It is not a service that should normally be exposed to the public internet.

Record

iana registry entry

port: :34962
service: PROFINET RT Unicast
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 7/10risk
category: Network Services System
usage: This assignment is for PROFINET Real-Time unicast communication, used on industrial automation networks between controllers and field devices such as remote I/O. It is not a general-purpose internet service, and seeing the port in a scan does not by itself identify a particular device or prove that cyclic I/O is carried over TCP or UDP.
lookups: 0rank 993
added: 2026-10-20
updated: 2026-10-20
references: IANA service name registry — port 34962

Something wrong?

This record is maintained by the engineers who use port 34962. 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 2026-10-20.

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

Related Ports

all 1,984 in network services →

the 8 most looked-up other ports in network services — 1,984 ports carry that label.

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:9080	Groove RPC	TCPUDP	Web Services	caution	70.8k
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:5938	TeamViewer	TCPUDP	Remote Access	caution	65.0k
:8291	Winbox MikroTik Admin	TCP	Security	caution	62.9k
:3233	WhiskerControl Protocol	TCPUDP	Network Services	caution	61.9k
:3268	Microsoft Global Catalog (GC)	TCPUDP	Security	caution	54.6k
:135	Microsoft EPMAP	TCPUDP	Security	caution	51.9k
:3128	Tatsoft Default HTTP Proxy	TCP	Web Services	caution	46.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :34962PROFINET RT Unicast

Technical Details

Security Information

Related Ports

Port 34962PROFINET RT Unicast