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// Other services

Port 2729: TCIM Control

Port 2729 is assigned by IANA to tcim-control (TCIM Control).

2729

How tcim-control works

Other services
client:2729tcim-controlresponse client:2729tcim-controlresponse

The client sends a request to port 2729 and the tcim-control 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 2729 dangerous?

We have no specific security note for port 2729. 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 2729

ServicePortTransportDescriptionReferenceUpdated
tcim-control 2729 TCP, UDP TCIM Control - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2729, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2729'      # process listening on 2729
sudo lsof -nP -i :2729

macOS

sudo lsof -nP -i :2729

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2729 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2729
netstat -ano | findstr :2729

From another machine

nmap -p 2729 -sV <host>
sudo nmap -sU -p 2729 <host>
nc -zv <host> 2729

Block it in the firewall

sudo ufw deny 2729/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2729" -Direction Inbound -LocalPort 2729 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2729 used for?

Port 2729 is assigned by IANA to tcim-control (TCIM Control).

Is port 2729 TCP or UDP?

Port 2729 is registered for TCP and UDP.

Is it safe to open port 2729?

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 2729 is open?

On Linux run "ss -ltnup 'sport = :2729'", on macOS "lsof -nP -i :2729", and on Windows "netstat -ano | findstr :2729" to see the local process. From another machine, "nmap -p 2729 <host>" shows whether it is reachable.

05 Related
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