CyberHunter
// Other services

Port 45678: EBA PRISE

Port 45678 is assigned by IANA to eba (EBA PRISE).

45678

How eba works

Other services
client:45678ebaresponse client:45678ebaresponse

The client sends a request to port 45678 and the eba 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)
01 Security

Is port 45678 dangerous?

We have no specific security note for port 45678. 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 45678

ServicePortTransportDescriptionReferenceUpdated
eba 45678 TCP, UDP EBA PRISE - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 45678, and is it reachable?

Linux

sudo ss -ltnup 'sport = :45678'      # process listening on 45678
sudo lsof -nP -i :45678

macOS

sudo lsof -nP -i :45678

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 45678 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 45678
netstat -ano | findstr :45678

From another machine

nmap -p 45678 -sV <host>
sudo nmap -sU -p 45678 <host>
nc -zv <host> 45678

Block it in the firewall

sudo ufw deny 45678/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 45678" -Direction Inbound -LocalPort 45678 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 45678 used for?

Port 45678 is assigned by IANA to eba (EBA PRISE).

Is port 45678 TCP or UDP?

Port 45678 is registered for TCP and UDP.

Is it safe to open port 45678?

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 45678 is open?

On Linux run "ss -ltnup 'sport = :45678'", on macOS "lsof -nP -i :45678", and on Windows "netstat -ano | findstr :45678" to see the local process. From another machine, "nmap -p 45678 <host>" shows whether it is reachable.

05 Related