CyberHunter
Local dataset, no network
// Other services

Port 2968: ENPP

Port 2968 is assigned by IANA to enpp (ENPP).

2968

How enpp works

Other services
client:2968enppresponse client:2968enppresponse

The client sends a request to port 2968 and the enpp service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 2968 dangerous?

We have no specific security note for port 2968. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 2968

ServicePortTransportDescriptionReferenceUpdated
enpp 2968 TCP, UDP ENPP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2968, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2968'      # process listening on 2968
sudo lsof -nP -i :2968

macOS

sudo lsof -nP -i :2968

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2968 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2968
netstat -ano | findstr :2968

From another machine

nmap -p 2968 -sV <host>
sudo nmap -sU -p 2968 <host>
nc -zv <host> 2968

Block it in the firewall

sudo ufw deny 2968/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2968" -Direction Inbound -LocalPort 2968 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2968 used for?

Port 2968 is assigned by IANA to enpp (ENPP).

Is port 2968 TCP or UDP?

Port 2968 is registered for TCP and UDP.

Is it safe to open port 2968?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 2968 is open?

On Linux run "ss -ltnup 'sport = :2968'", on macOS "lsof -nP -i :2968", and on Windows "netstat -ano | findstr :2968" to see the local process. From another machine, "nmap -p 2968 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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