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// Other services

Port 3468: TTCM Remote Controll

Port 3468 is assigned by IANA to ttcmremotectrl (TTCM Remote Controll).

3468

How ttcmremotectrl works

Other services
client:3468ttcmremotectrlresponse client:3468ttcmremotectrlresponse

The client sends a request to port 3468 and the ttcmremotectrl 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 3468 dangerous?

We have no specific security note for port 3468. 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 3468

ServicePortTransportDescriptionReferenceUpdated
ttcmremotectrl 3468 TCP, UDP TTCM Remote Controll - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3468, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3468'      # process listening on 3468
sudo lsof -nP -i :3468

macOS

sudo lsof -nP -i :3468

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3468 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3468
netstat -ano | findstr :3468

From another machine

nmap -p 3468 -sV <host>
sudo nmap -sU -p 3468 <host>
nc -zv <host> 3468

Block it in the firewall

sudo ufw deny 3468/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3468" -Direction Inbound -LocalPort 3468 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3468 used for?

Port 3468 is assigned by IANA to ttcmremotectrl (TTCM Remote Controll).

Is port 3468 TCP or UDP?

Port 3468 is registered for TCP and UDP.

Is it safe to open port 3468?

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 3468 is open?

On Linux run "ss -ltnup 'sport = :3468'", on macOS "lsof -nP -i :3468", and on Windows "netstat -ano | findstr :3468" to see the local process. From another machine, "nmap -p 3468 <host>" shows whether it is reachable.

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