CyberHunter
Local dataset, no network
// Other services

Port 1361: LinX

Port 1361 is assigned by IANA to linx (LinX).

1361

How linx works

Other services
client:1361linxresponse client:1361linxresponse

The client sends a request to port 1361 and the linx 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 1361 dangerous?

We have no specific security note for port 1361. 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 1361

ServicePortTransportDescriptionReferenceUpdated
linx 1361 TCP, UDP LinX - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1361, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1361'      # process listening on 1361
sudo lsof -nP -i :1361

macOS

sudo lsof -nP -i :1361

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1361 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1361
netstat -ano | findstr :1361

From another machine

nmap -p 1361 -sV <host>
sudo nmap -sU -p 1361 <host>
nc -zv <host> 1361

Block it in the firewall

sudo ufw deny 1361/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1361" -Direction Inbound -LocalPort 1361 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1361 used for?

Port 1361 is assigned by IANA to linx (LinX).

Is port 1361 TCP or UDP?

Port 1361 is registered for TCP and UDP.

Is it safe to open port 1361?

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 1361 is open?

On Linux run "ss -ltnup 'sport = :1361'", on macOS "lsof -nP -i :1361", and on Windows "netstat -ano | findstr :1361" to see the local process. From another machine, "nmap -p 1361 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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