Port 2051EPNSDP

EPNSDP uses TCP and UDP port 2051; public protocol and deployment details are not documented.

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

Technical Details

what runs on :2051

no technical write-up for :2051 yet

the handshake, the implementations you meet in the wild, the flags that matter. we have the registry entry — the detail comes from the engineers who run it.

add technical details

Security Information

exposure of :2051

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 :2051 yet

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

Record

iana registry entry

port: :2051
service: EPNSDP
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: TCP and UDP port 2051 is assigned to the EPNSDP service. The assignment is registered to Hiroyasu Ogata, but the registry provides no further usage or product information.
lookups: 0rank 994
added: 2026-08-20
updated: 2026-08-20
references: IANA service name registry — port 2051

Something wrong?

This record is maintained by the engineers who use port 2051. 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 2026-08-20.

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 :2051, by lookups.

port	service	proto	category	risk	views
:2031	Mobrien Chat	TCPUDP	Web Services	caution	27.7k
:2105	eklogin Kerberos Remote Login	TCPUDP	Security	safe	22.1k
:2083	cPanel SSL	TCPtls	Web Services	safe	20.3k
:2105	Zephyr Notification Service (hm-serv)	TCPUDP	Network Services	caution	19.0k
:2082	Infowave Mobility	TCP	Network Services	caution	17.7k
:2087	WHM SSL	TCPtls	Web Services	caution	17.7k
:2096	cPanel SSL Webmail	TCPtls	Web Services	safe	17.4k
:2053	knetd Demultiplexer	TCP	Security	safe	17.2k

risk mix of the 8 listed

safe50%
caution50%

3 of 8 encrypted

Port :2051EPNSDP

Technical Details

Security Information

Related Ports

Port 2051EPNSDP