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// Other services

Port 24676: Canditv Message Service

Port 24676 is assigned by IANA to canditv (Canditv Message Service).

24676

How canditv works

Other services
client:24676canditvresponse client:24676canditvresponse

The client sends a request to port 24676 and the canditv 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 24676 dangerous?

We have no specific security note for port 24676. 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 24676

ServicePortTransportDescriptionReferenceUpdated
canditv 24676 TCP, UDP Canditv Message Service - 2009-03-10

// source: IANA service name and port number registry

03 Check it

Which program uses port 24676, and is it reachable?

Linux

sudo ss -ltnup 'sport = :24676'      # process listening on 24676
sudo lsof -nP -i :24676

macOS

sudo lsof -nP -i :24676

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 24676 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 24676
netstat -ano | findstr :24676

From another machine

nmap -p 24676 -sV <host>
sudo nmap -sU -p 24676 <host>
nc -zv <host> 24676

Block it in the firewall

sudo ufw deny 24676/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 24676" -Direction Inbound -LocalPort 24676 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 24676 used for?

Port 24676 is assigned by IANA to canditv (Canditv Message Service).

Is port 24676 TCP or UDP?

Port 24676 is registered for TCP and UDP.

Is it safe to open port 24676?

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 24676 is open?

On Linux run "ss -ltnup 'sport = :24676'", on macOS "lsof -nP -i :24676", and on Windows "netstat -ano | findstr :24676" to see the local process. From another machine, "nmap -p 24676 <host>" shows whether it is reachable.

05 Related
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