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// Other services

Port 1567: jlicelmd

Port 1567 is assigned by IANA to jlicelmd (jlicelmd).

1567

How jlicelmd works

Other services
client:1567jlicelmdresponse client:1567jlicelmdresponse

The client sends a request to port 1567 and the jlicelmd 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 1567 dangerous?

We have no specific security note for port 1567. 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 1567

ServicePortTransportDescriptionReferenceUpdated
jlicelmd 1567 TCP, UDP jlicelmd - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1567, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1567'      # process listening on 1567
sudo lsof -nP -i :1567

macOS

sudo lsof -nP -i :1567

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1567 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1567
netstat -ano | findstr :1567

From another machine

nmap -p 1567 -sV <host>
sudo nmap -sU -p 1567 <host>
nc -zv <host> 1567

Block it in the firewall

sudo ufw deny 1567/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1567" -Direction Inbound -LocalPort 1567 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1567 used for?

Port 1567 is assigned by IANA to jlicelmd (jlicelmd).

Is port 1567 TCP or UDP?

Port 1567 is registered for TCP and UDP.

Is it safe to open port 1567?

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 1567 is open?

On Linux run "ss -ltnup 'sport = :1567'", on macOS "lsof -nP -i :1567", and on Windows "netstat -ano | findstr :1567" to see the local process. From another machine, "nmap -p 1567 <host>" shows whether it is reachable.

05 Related
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