Port 9987DSM/SCM Target Interface

TCP and UDP port 9987 is assigned to the DSM/SCM Target Interface.

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

1 other service is registered on port 9987. compare all 2 →

Technical Details

what runs on :9987

DSM/SCM Target Interface is registered on port :9987 over tcp and udp to Mike Dyslin, assigned August 2006. 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 never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :9987

this machine

# linux
sudo ss -tulpn 'sport = :9987'

# macos / bsd
sudo lsof -nP -i :9987

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :9987

another host

nmap -sV -p T:9987 <host>
sudo nmap -sU -sV -p U:9987 <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 :9987

risk score

1/ 10safe

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

system averages 2.7 across 995 ports — this one sits 1.7 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 :9987 yet

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

Record

iana registry entry

port: :9987
service: DSM/SCM Target Interface
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: System
usage: IANA assigns this port to the DSM/SCM Target Interface on both TCP and UDP. The registry lists Mike Dyslin as the registrant but gives no further implementation details.
lookups: 0rank 993
added: 2026-10-16
updated: 2026-10-16
references: IANA service name registry — port 9987

Something wrong?

This record is maintained by the engineers who use port 9987. 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 2026-10-16.

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 995 in system →

the 8 most looked-up other ports in system — 995 ports carry that label.

port	service	proto	category	risk	views
:8888	Sun Answerbook & Alt HTTP	TCP	Web Services	caution	123.9k
:4664	Google Desktop Search	TCP	System	caution	67.2k
:8008	IBM HTTP Server Admin	TCP	Web Services	caution	58.3k
:3268	Microsoft Global Catalog (GC)	TCPUDP	Security	caution	54.6k
:135	Microsoft EPMAP	TCPUDP	Security	caution	51.9k
:9080	WebSphere HTTP Transport (default)	TCP	Web Services	caution	51.6k
:23	Telnet	TCP	Remote Access	caution	34.8k
:12489	NSClient Monitoring Agent	TCP	Network Services	caution	30.0k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :9987DSM/SCM Target Interface

Technical Details

Security Information

Related Ports

Port 9987DSM/SCM Target Interface