Port 8289Unassigned Port

Port 8289 has no IANA service assignment or standard protocol.

transport: unknown
in transit: cleartext
assignment: unofficial
risk: 0/10
lookups: 0

Technical Details

what runs on :8289

Unassigned Port uses port :8289. We don't have a technical write-up for it yet.

find what's listening on :8289

this machine

# linux
sudo ss -tulpn 'sport = :8289'

# macos / bsd
sudo lsof -nP -i :8289

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :8289

another host

nmap -sV -p T:8289 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :8289

risk score

0/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

unofficial

used by convention, not registered — what answers here varies by deployment

reachable over

unknown

every listening transport is another surface to filter at the edge

security overview

There is no standard protocol or default service to assess for this port. Do not assume traffic is harmless; identify the process and its configuration, and restrict unexpected exposure.

Record

iana registry entry

port: :8289
service: Unassigned Port
transport: unknown
encryption: cleartext
assignment: convention only
risk: 0/10safe
category: uncategorised
usage: No standard service is assigned to this port in the IANA registry. Traffic on it may be application-specific, so the port number alone does not identify the software.
lookups: 0rank 993
added: 2026-11-03
updated: 2026-11-03
references: IANA Service Name and Transport Protocol Port Number Registry

Something wrong?

This record is maintained by the engineers who use port 8289. 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 2026-11-03.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :8289, by lookups.

port	service	proto	category	risk	views
:8291	Winbox MikroTik Admin	TCP	Security	caution	62.9k
:8243	Apache Synapse HTTPS Listener	TCPUDPtls	Web Services	caution	22.3k
:8280	Apache Synapse HTTP	TCPUDP	Web Services	caution	19.9k
:8333	VMware Server UI (Secure)		Web Services	caution	7.9k
:8321	Thin(ium) Network Protocol	TCPUDP	Network Services	safe	0
:8300	Transport Management Interface	TCPUDP	Network Services	safe	0
:8293	Hiperscan Identification Service	TCP	—	safe	0
:8292	Bloomberg Professional	TCPUDP	—	safe	0

risk mix of the 8 listed

safe50%
caution50%

1 of 8 encrypted

Port :8289Unassigned Port

Technical Details

Security Information

Related Ports

Port 8289Unassigned Port