Port 5152ESRI SDE Instance Discovery

ESRI SDE Instance Discovery helps locate Spatial Database Engine services.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

also known as sde-discovery

Technical Details

what runs on :5152

ESRI SDE Instance Discovery is registered on port :5152 over tcp and udp to Peter Aronson. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is found open rarely. What's listening is often not the registered service, so check before you assume.

IANA has recorded this port being used for something it was not assigned for.

find what's listening on :5152

this machine

# linux
sudo ss -tulpn 'sport = :5152'

# macos / bsd
sudo lsof -nP -i :5152

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :5152

another host

nmap -sV -p T:5152 <host>
sudo nmap -sU -sV -p U:5152 <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 :5152

risk score

1/ 10safe

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

databases averages 3.9 across 131 ports — this one sits 2.9 below.

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

no security notes recorded for :5152 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :5152
service: ESRI SDE Instance Discovery
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: Databases
usage: TCP and UDP port 5152 is assigned for ESRI SDE Instance Discovery. The assignment is registered to Peter Aronson; IANA also reports unauthorized use of the port.
lookups: 0rank 993
added: 2026-09-06
updated: 2026-09-06
references: IANA service name registry — port 5152

Something wrong?

This record is maintained by the engineers who use port 5152. 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 2026-09-06.

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

all 131 in databases →

the 8 most looked-up other ports in databases — 131 ports carry that label.

port	service	proto	category	risk	views
:8882	Atlasz Secure App Server	TCP	Web Services	caution	66.9k
:9001	ETL Service Manager	TCPUDP	Databases	caution	28.6k
:2484	Oracle SSL Listener	TCPUDPtls	Security	caution	25.0k
:5495	Applix TM1 Admin	TCP	Databases	caution	24.8k
:591	FileMaker Web Sharing	TCP	Web Services	caution	23.1k
:1521	Oracle TNS Listener	TCP	Security	caution	19.6k
:21001	AMLFilter Admin	TCP	Security	caution	19.2k
:18206	Audition FAM DB	TCPUDP	Databases	caution	19.1k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :5152ESRI SDE Instance Discovery

Technical Details

Security Information

Related Ports

Port 5152ESRI SDE Instance Discovery