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// Other services

Port 6672: vision_server

Port 6672 is assigned by IANA to vision_server (vision_server), vision-server (vision_server IANA assigned this well-formed service name as a replacement for "vision_server".).

6672

How vision_server works

Other services
client:6672vision_serverresponse client:6672vision_serverresponse

The client sends a request to port 6672 and the vision_server 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 6672 dangerous?

We have no specific security note for port 6672. 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 6672

ServicePortTransportDescriptionReferenceUpdated
vision_server 6672 TCP, UDP vision_server - -
vision-server 6672 TCP, UDP vision_server IANA assigned this well-formed service name as a replacement for "vision_server". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6672, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6672'      # process listening on 6672
sudo lsof -nP -i :6672

macOS

sudo lsof -nP -i :6672

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6672 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6672
netstat -ano | findstr :6672

From another machine

nmap -p 6672 -sV <host>
sudo nmap -sU -p 6672 <host>
nc -zv <host> 6672

Block it in the firewall

sudo ufw deny 6672/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6672" -Direction Inbound -LocalPort 6672 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6672 used for?

Port 6672 is assigned by IANA to vision_server (vision_server), vision-server (vision_server IANA assigned this well-formed service name as a replacement for "vision_server".).

Is port 6672 TCP or UDP?

Port 6672 is registered for TCP and UDP.

Is it safe to open port 6672?

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 6672 is open?

On Linux run "ss -ltnup 'sport = :6672'", on macOS "lsof -nP -i :6672", and on Windows "netstat -ano | findstr :6672" to see the local process. From another machine, "nmap -p 6672 <host>" shows whether it is reachable.

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