CyberHunter
Local dataset, no network
// Other services

Port 8380: Cruise UPDATE

Port 8380 is assigned by IANA to cruise-update (Cruise UPDATE).

8380

How cruise-update works

Other services
client:8380cruise-updateresponse client:8380cruise-updateresponse

The client sends a request to port 8380 and the cruise-update 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 8380 dangerous?

We have no specific security note for port 8380. 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 8380

ServicePortTransportDescriptionReferenceUpdated
cruise-update 8380 TCP, UDP Cruise UPDATE - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 8380, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8380'      # process listening on 8380
sudo lsof -nP -i :8380

macOS

sudo lsof -nP -i :8380

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8380 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8380
netstat -ano | findstr :8380

From another machine

nmap -p 8380 -sV <host>
sudo nmap -sU -p 8380 <host>
nc -zv <host> 8380

Block it in the firewall

sudo ufw deny 8380/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8380" -Direction Inbound -LocalPort 8380 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8380 used for?

Port 8380 is assigned by IANA to cruise-update (Cruise UPDATE).

Is port 8380 TCP or UDP?

Port 8380 is registered for TCP and UDP.

Is it safe to open port 8380?

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 8380 is open?

On Linux run "ss -ltnup 'sport = :8380'", on macOS "lsof -nP -i :8380", and on Windows "netstat -ano | findstr :8380" to see the local process. From another machine, "nmap -p 8380 <host>" shows whether it is reachable.

05 Related
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