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// Other services

Port 1467: CSDMBASE

Port 1467 is assigned by IANA to csdmbase (CSDMBASE).

1467

How csdmbase works

Other services
client:1467csdmbaseresponse client:1467csdmbaseresponse

The client sends a request to port 1467 and the csdmbase 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 1467 dangerous?

We have no specific security note for port 1467. 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 1467

ServicePortTransportDescriptionReferenceUpdated
csdmbase 1467 TCP, UDP CSDMBASE - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1467, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1467'      # process listening on 1467
sudo lsof -nP -i :1467

macOS

sudo lsof -nP -i :1467

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1467 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1467
netstat -ano | findstr :1467

From another machine

nmap -p 1467 -sV <host>
sudo nmap -sU -p 1467 <host>
nc -zv <host> 1467

Block it in the firewall

sudo ufw deny 1467/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1467" -Direction Inbound -LocalPort 1467 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1467 used for?

Port 1467 is assigned by IANA to csdmbase (CSDMBASE).

Is port 1467 TCP or UDP?

Port 1467 is registered for TCP and UDP.

Is it safe to open port 1467?

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 1467 is open?

On Linux run "ss -ltnup 'sport = :1467'", on macOS "lsof -nP -i :1467", and on Windows "netstat -ano | findstr :1467" to see the local process. From another machine, "nmap -p 1467 <host>" shows whether it is reachable.

05 Related
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