Port 2351psrserver

An unassigned TCP/UDP service name with no recorded registrant or public protocol documentation.

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

Technical Details

what runs on :2351

psrserver is registered on port :2351 over tcp and udp. 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 :2351

this machine

# linux
sudo ss -tulpn 'sport = :2351'

# macos / bsd
sudo lsof -nP -i :2351

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2351

another host

nmap -sV -p T:2351 <host>
sudo nmap -sU -sV -p U:2351 <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 :2351

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 :2351 yet

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

Record

iana registry entry

port: :2351
service: psrserver
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA lists psrserver on TCP and UDP port 2351, but records no registrant, registration date, or usage notes. There is no reliable public information identifying a product or protocol that normally runs here.
lookups: 0rank 993
added: 2026-09-22
updated: 2026-09-22
references: IANA service name registry — port 2351

Something wrong?

This record is maintained by the engineers who use port 2351. 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 2026-09-22.

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 :2351, by lookups.

port	service	proto	category	risk	views
:2370	BMC Control-M Server	TCP	System	caution	17.4k
:2369	BMC Control-M Configuration Agent	TCP	System	caution	14.8k
:2381	HP Insight Manager Web	TCP	Web Services	caution	14.4k
:2404	IEC 60870-5-104	TCP	Network Services	caution	10.5k
:2302	ArmA Multiplayer	UDP	Gaming	caution	10.4k
:2302	Halo CE Multiplayer	UDP	Gaming	caution	10.1k
:2303	ArmA Multiplayer Server Reporting	UDP	Gaming	caution	9.8k
:2305	ArmA Multiplayer Voice Chat	UDP	Gaming	caution	7.7k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :2351psrserver

Technical Details

Security Information

Related Ports

Port 2351psrserver