CyberHunter
// Other services

Port 23272: S102 application

Port 23272 is assigned by IANA to s102 (S102 application).

23272

How s102 works

Other services
client:23272s102response client:23272s102response

The client sends a request to port 23272 and the s102 service answers.

Transport
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 23272 dangerous?

We have no specific security note for port 23272. 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 23272

ServicePortTransportDescriptionReferenceUpdated
s102 23272 UDP S102 application - 2009-08-26
-23272-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 23272, and is it reachable?

Linux

sudo ss -ltnup 'sport = :23272'      # process listening on 23272
sudo lsof -nP -i :23272

macOS

sudo lsof -nP -i :23272

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 23272 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 23272
netstat -ano | findstr :23272

From another machine

nmap -p 23272 -sV <host>
sudo nmap -sU -p 23272 <host>
nc -zv <host> 23272

Block it in the firewall

sudo ufw deny 23272/udp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 23272" -Direction Inbound -LocalPort 23272 -Protocol UDP -Action Block  # Windows
04 FAQ
What is port 23272 used for?

Port 23272 is assigned by IANA to s102 (S102 application).

Is port 23272 TCP or UDP?

Port 23272 is registered for UDP.

Is it safe to open port 23272?

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 23272 is open?

On Linux run "ss -ltnup 'sport = :23272'", on macOS "lsof -nP -i :23272", and on Windows "netstat -ano | findstr :23272" to see the local process. From another machine, "nmap -p 23272 <host>" shows whether it is reachable.

05 Related