CyberHunter
Local dataset, no network
// Other services

Port 1854: Buddy Draw

Port 1854 is assigned by IANA to buddy-draw (Buddy Draw).

1854

How buddy-draw works

Other services
client:1854buddy-drawresponse client:1854buddy-drawresponse

The client sends a request to port 1854 and the buddy-draw 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 1854 dangerous?

We have no specific security note for port 1854. 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 1854

ServicePortTransportDescriptionReferenceUpdated
buddy-draw 1854 TCP, UDP Buddy Draw - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1854, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1854'      # process listening on 1854
sudo lsof -nP -i :1854

macOS

sudo lsof -nP -i :1854

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1854 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1854
netstat -ano | findstr :1854

From another machine

nmap -p 1854 -sV <host>
sudo nmap -sU -p 1854 <host>
nc -zv <host> 1854

Block it in the firewall

sudo ufw deny 1854/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1854" -Direction Inbound -LocalPort 1854 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1854 used for?

Port 1854 is assigned by IANA to buddy-draw (Buddy Draw).

Is port 1854 TCP or UDP?

Port 1854 is registered for TCP and UDP.

Is it safe to open port 1854?

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 1854 is open?

On Linux run "ss -ltnup 'sport = :1854'", on macOS "lsof -nP -i :1854", and on Windows "netstat -ano | findstr :1854" to see the local process. From another machine, "nmap -p 1854 <host>" shows whether it is reachable.

05 Related
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