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// Other services

Port 5472: The Apsolab company's dynamic tag protocol

Port 5472 is assigned by IANA to apsolab-tag (The Apsolab company's dynamic tag protocol).

5472

How apsolab-tag works

Other services
client:5472apsolab-tagresponse client:5472apsolab-tagresponse

The client sends a request to port 5472 and the apsolab-tag service answers.

Transport
TCP
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 5472 dangerous?

We have no specific security note for port 5472. 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 5472

ServicePortTransportDescriptionReferenceUpdated
apsolab-tag 5472 TCP The Apsolab company's dynamic tag protocol - 2014-11-10
-5472-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 5472, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5472'      # process listening on 5472
sudo lsof -nP -i :5472

macOS

sudo lsof -nP -i :5472

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5472 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5472
netstat -ano | findstr :5472

From another machine

nmap -p 5472 -sV <host>
nc -zv <host> 5472

Block it in the firewall

sudo ufw deny 5472/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5472" -Direction Inbound -LocalPort 5472 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5472 used for?

Port 5472 is assigned by IANA to apsolab-tag (The Apsolab company's dynamic tag protocol).

Is port 5472 TCP or UDP?

Port 5472 is registered for TCP.

Is it safe to open port 5472?

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 5472 is open?

On Linux run "ss -ltnup 'sport = :5472'", on macOS "lsof -nP -i :5472", and on Windows "netstat -ano | findstr :5472" to see the local process. From another machine, "nmap -p 5472 <host>" shows whether it is reachable.

05 Related

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