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// Other services

Port 2464: DirecPC SI

Port 2464 is assigned by IANA to direcpc-si (DirecPC SI).

2464

How direcpc-si works

Other services
client:2464direcpc-siresponse client:2464direcpc-siresponse

The client sends a request to port 2464 and the direcpc-si 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 2464 dangerous?

We have no specific security note for port 2464. 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 2464

ServicePortTransportDescriptionReferenceUpdated
direcpc-si 2464 TCP, UDP DirecPC SI - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2464, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2464'      # process listening on 2464
sudo lsof -nP -i :2464

macOS

sudo lsof -nP -i :2464

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2464 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2464
netstat -ano | findstr :2464

From another machine

nmap -p 2464 -sV <host>
sudo nmap -sU -p 2464 <host>
nc -zv <host> 2464

Block it in the firewall

sudo ufw deny 2464/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2464" -Direction Inbound -LocalPort 2464 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2464 used for?

Port 2464 is assigned by IANA to direcpc-si (DirecPC SI).

Is port 2464 TCP or UDP?

Port 2464 is registered for TCP and UDP.

Is it safe to open port 2464?

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 2464 is open?

On Linux run "ss -ltnup 'sport = :2464'", on macOS "lsof -nP -i :2464", and on Windows "netstat -ano | findstr :2464" to see the local process. From another machine, "nmap -p 2464 <host>" shows whether it is reachable.

05 Related
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