CyberHunter
LinkedIn profile - Bastien Cordier Email: contact@bastiencordier.pro
// Other services

Port 4169: Automation Drive Interface Transport

Port 4169 is assigned by IANA to iadt (Automation Drive Interface Transport), iadt-disc (Internet ADT Discovery Protocol).

4169

How iadt works

Other services
client:4169iadtresponse client:4169iadtresponse

The client sends a request to port 4169 and the iadt service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 4169 dangerous?

We have no specific security note for port 4169. 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 4169

ServicePortTransportDescriptionReferenceUpdated
iadt 4169 TCP Automation Drive Interface Transport - 2008-02-15
iadt-disc 4169 UDP Internet ADT Discovery Protocol - 2009-02-06

// source: IANA service name and port number registry

03 Check it

Which program uses port 4169, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4169'      # process listening on 4169
sudo lsof -nP -i :4169

macOS

sudo lsof -nP -i :4169

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4169 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4169
netstat -ano | findstr :4169

From another machine

nmap -p 4169 -sV <host>
sudo nmap -sU -p 4169 <host>
nc -zv <host> 4169

Block it in the firewall

sudo ufw deny 4169/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4169" -Direction Inbound -LocalPort 4169 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4169 used for?

Port 4169 is assigned by IANA to iadt (Automation Drive Interface Transport), iadt-disc (Internet ADT Discovery Protocol).

Is port 4169 TCP or UDP?

Port 4169 is registered for TCP and UDP.

Is it safe to open port 4169?

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 4169 is open?

On Linux run "ss -ltnup 'sport = :4169'", on macOS "lsof -nP -i :4169", and on Windows "netstat -ano | findstr :4169" to see the local process. From another machine, "nmap -p 4169 <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

Latest vulnerability news

All news