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// Other services

Port 1476: clvm-cfg

Port 1476 is assigned by IANA to clvm-cfg (clvm-cfg).

1476

How clvm-cfg works

Other services
client:1476clvm-cfgresponse client:1476clvm-cfgresponse

The client sends a request to port 1476 and the clvm-cfg 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 1476 dangerous?

We have no specific security note for port 1476. 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 1476

ServicePortTransportDescriptionReferenceUpdated
clvm-cfg 1476 TCP, UDP clvm-cfg - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1476, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1476'      # process listening on 1476
sudo lsof -nP -i :1476

macOS

sudo lsof -nP -i :1476

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1476 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1476
netstat -ano | findstr :1476

From another machine

nmap -p 1476 -sV <host>
sudo nmap -sU -p 1476 <host>
nc -zv <host> 1476

Block it in the firewall

sudo ufw deny 1476/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1476" -Direction Inbound -LocalPort 1476 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1476 used for?

Port 1476 is assigned by IANA to clvm-cfg (clvm-cfg).

Is port 1476 TCP or UDP?

Port 1476 is registered for TCP and UDP.

Is it safe to open port 1476?

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 1476 is open?

On Linux run "ss -ltnup 'sport = :1476'", on macOS "lsof -nP -i :1476", and on Windows "netstat -ano | findstr :1476" to see the local process. From another machine, "nmap -p 1476 <host>" shows whether it is reachable.

05 Related
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