CyberHunter
Local dataset, no network
// Other services

Port 8954: Cumulus Admin Port

Port 8954 is assigned by IANA to cumulus-admin (Cumulus Admin Port).

8954

How cumulus-admin works

Other services
client:8954cumulus-adminresponse client:8954cumulus-adminresponse

The client sends a request to port 8954 and the cumulus-admin 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 8954 dangerous?

We have no specific security note for port 8954. 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 8954

ServicePortTransportDescriptionReferenceUpdated
cumulus-admin 8954 TCP, UDP Cumulus Admin Port - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 8954, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8954'      # process listening on 8954
sudo lsof -nP -i :8954

macOS

sudo lsof -nP -i :8954

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8954 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8954
netstat -ano | findstr :8954

From another machine

nmap -p 8954 -sV <host>
sudo nmap -sU -p 8954 <host>
nc -zv <host> 8954

Block it in the firewall

sudo ufw deny 8954/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8954" -Direction Inbound -LocalPort 8954 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8954 used for?

Port 8954 is assigned by IANA to cumulus-admin (Cumulus Admin Port).

Is port 8954 TCP or UDP?

Port 8954 is registered for TCP and UDP.

Is it safe to open port 8954?

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 8954 is open?

On Linux run "ss -ltnup 'sport = :8954'", on macOS "lsof -nP -i :8954", and on Windows "netstat -ano | findstr :8954" to see the local process. From another machine, "nmap -p 8954 <host>" shows whether it is reachable.

05 Related
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