Port 7171Discovery and Retention Management Production

TCP/UDP 7171 is assigned to Discovery and Retention Management Production; no established public-facing use is known.

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

also known as drm-production

1 other service is registered on port 7171. compare all 2 →

Technical Details

what runs on :7171

Discovery and Retention Management Production is registered on port :7171 over tcp and udp to Micha Ben Efraim 3, assigned February 2010. 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 :7171

this machine

# linux
sudo ss -tulpn 'sport = :7171'

# macos / bsd
sudo lsof -nP -i :7171

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :7171

another host

nmap -sV -p T:7171 <host>
sudo nmap -sU -sV -p U:7171 <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 :7171

risk score

1/ 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

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 :7171 yet

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

Record

iana registry entry

port: :7171
service: Discovery and Retention Management Production
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA describes this assignment as “Discovery and Retention Mgt Production” and lists Micha Ben Efraim 3 as the registrant. No established implementation or common deployment is known.
lookups: 0rank 993
added: 2026-10-12
updated: 2026-10-12
references: IANA service name registry — port 7171

Something wrong?

This record is maintained by the engineers who use port 7171. 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 2026-10-12.

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 :7171, by lookups.

port	service	proto	category	risk	views
:7133	Quake Wars Server	TCP	Gaming	caution	6.4k
:7144	Peercast	TCP	Network Services	caution	5.4k
:7145	PeerCast	TCP	Network Services	caution	5.1k
:7171	Tibia	TCP	Gaming	caution	4.8k
:7200	FODMS FLIP	TCPUDP	—	safe	0
:7123	SNIF End-to-End TLS Relay Control Connection	TCPUDPtls	Security	safe	0
:7121	Virtual Prototypes License Manager	TCPUDP	Virtualization	safe	0
:7201	DLIP	TCPUDP	—	safe	0

risk mix of the 8 listed

safe50%
caution50%

1 of 8 encrypted

Port :7171Discovery and Retention Management Production

Technical Details

Security Information

Related Ports

Port 7171Discovery and Retention Management Production