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// Other services

Port 5234: EEnet communications

Port 5234 is assigned by IANA to eenet (EEnet communications).

5234

How eenet works

Other services
client:5234eenetresponse client:5234eenetresponse

The client sends a request to port 5234 and the eenet 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 5234 dangerous?

We have no specific security note for port 5234. 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 5234

ServicePortTransportDescriptionReferenceUpdated
eenet 5234 TCP, UDP EEnet communications - 2005-11

// source: IANA service name and port number registry

03 Check it

Which program uses port 5234, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5234'      # process listening on 5234
sudo lsof -nP -i :5234

macOS

sudo lsof -nP -i :5234

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5234 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5234
netstat -ano | findstr :5234

From another machine

nmap -p 5234 -sV <host>
sudo nmap -sU -p 5234 <host>
nc -zv <host> 5234

Block it in the firewall

sudo ufw deny 5234/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5234" -Direction Inbound -LocalPort 5234 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5234 used for?

Port 5234 is assigned by IANA to eenet (EEnet communications).

Is port 5234 TCP or UDP?

Port 5234 is registered for TCP and UDP.

Is it safe to open port 5234?

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 5234 is open?

On Linux run "ss -ltnup 'sport = :5234'", on macOS "lsof -nP -i :5234", and on Windows "netstat -ano | findstr :5234" to see the local process. From another machine, "nmap -p 5234 <host>" shows whether it is reachable.

05 Related
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