CyberHunter
Local dataset, no network
// Other services

Port 2475: ACE Server

Port 2475 is assigned by IANA to ace-server (ACE Server).

2475

How ace-server works

Other services
client:2475ace-serverresponse client:2475ace-serverresponse

The client sends a request to port 2475 and the ace-server 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 2475 dangerous?

We have no specific security note for port 2475. 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 2475

ServicePortTransportDescriptionReferenceUpdated
ace-server 2475 TCP, UDP ACE Server - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2475, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2475'      # process listening on 2475
sudo lsof -nP -i :2475

macOS

sudo lsof -nP -i :2475

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2475 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2475
netstat -ano | findstr :2475

From another machine

nmap -p 2475 -sV <host>
sudo nmap -sU -p 2475 <host>
nc -zv <host> 2475

Block it in the firewall

sudo ufw deny 2475/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2475" -Direction Inbound -LocalPort 2475 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2475 used for?

Port 2475 is assigned by IANA to ace-server (ACE Server).

Is port 2475 TCP or UDP?

Port 2475 is registered for TCP and UDP.

Is it safe to open port 2475?

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 2475 is open?

On Linux run "ss -ltnup 'sport = :2475'", on macOS "lsof -nP -i :2475", and on Windows "netstat -ano | findstr :2475" to see the local process. From another machine, "nmap -p 2475 <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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