CyberHunter
Local dataset, no network
// Other services

Port 1485: LANSource

Port 1485 is assigned by IANA to lansource (LANSource).

1485

How lansource works

Other services
client:1485lansourceresponse client:1485lansourceresponse

The client sends a request to port 1485 and the lansource 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)
01 Security

Is port 1485 dangerous?

We have no specific security note for port 1485. 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 1485

ServicePortTransportDescriptionReferenceUpdated
lansource 1485 TCP, UDP LANSource - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1485, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1485'      # process listening on 1485
sudo lsof -nP -i :1485

macOS

sudo lsof -nP -i :1485

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1485 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1485
netstat -ano | findstr :1485

From another machine

nmap -p 1485 -sV <host>
sudo nmap -sU -p 1485 <host>
nc -zv <host> 1485

Block it in the firewall

sudo ufw deny 1485/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1485" -Direction Inbound -LocalPort 1485 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1485 used for?

Port 1485 is assigned by IANA to lansource (LANSource).

Is port 1485 TCP or UDP?

Port 1485 is registered for TCP and UDP.

Is it safe to open port 1485?

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 1485 is open?

On Linux run "ss -ltnup 'sport = :1485'", on macOS "lsof -nP -i :1485", and on Windows "netstat -ano | findstr :1485" to see the local process. From another machine, "nmap -p 1485 <host>" shows whether it is reachable.

05 Related

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