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// Network services

Port 24465: Tonido Domain Server

Port 24465 is assigned by IANA to tonidods (Tonido Domain Server).

24465

How tonidods works

Network services
client:24465tonidodsresponse client:24465tonidodsresponse

The client sends a request to port 24465 and the tonidods 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
Network services
01 Security

Is port 24465 dangerous?

We have no specific security note for port 24465. Its risk depends on the program actually listening on it. General advice for network services services:

  • Answer only the networks that need the service (no open resolvers, relays or reflectors).
  • UDP services can be abused for DDoS amplification: rate-limit or block them at the edge.
  • Disable legacy test services that have no use in production.
02 Registry

IANA registry entries for port 24465

ServicePortTransportDescriptionReferenceUpdated
tonidods 24465 TCP, UDP Tonido Domain Server - 2008-07-18

// source: IANA service name and port number registry

03 Check it

Which program uses port 24465, and is it reachable?

Linux

sudo ss -ltnup 'sport = :24465'      # process listening on 24465
sudo lsof -nP -i :24465

macOS

sudo lsof -nP -i :24465

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 24465 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 24465
netstat -ano | findstr :24465

From another machine

nmap -p 24465 -sV <host>
sudo nmap -sU -p 24465 <host>
nc -zv <host> 24465

Block it in the firewall

sudo ufw deny 24465/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 24465" -Direction Inbound -LocalPort 24465 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 24465 used for?

Port 24465 is assigned by IANA to tonidods (Tonido Domain Server).

Is port 24465 TCP or UDP?

Port 24465 is registered for TCP and UDP.

Is it safe to open port 24465?

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. Answer only the networks that need the service (no open resolvers, relays or reflectors).

How do I check if port 24465 is open?

On Linux run "ss -ltnup 'sport = :24465'", on macOS "lsof -nP -i :24465", and on Windows "netstat -ano | findstr :24465" to see the local process. From another machine, "nmap -p 24465 <host>" shows whether it is reachable.

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