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// Other services

Port 3463: EDM ADM Notify

Port 3463 is assigned by IANA to edm-adm-notify (EDM ADM Notify).

3463

How edm-adm-notify works

Other services
client:3463edm-adm-notifyresponse client:3463edm-adm-notifyresponse

The client sends a request to port 3463 and the edm-adm-notify 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 3463 dangerous?

We have no specific security note for port 3463. 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 3463

ServicePortTransportDescriptionReferenceUpdated
edm-adm-notify 3463 TCP, UDP EDM ADM Notify - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3463, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3463'      # process listening on 3463
sudo lsof -nP -i :3463

macOS

sudo lsof -nP -i :3463

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3463 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3463
netstat -ano | findstr :3463

From another machine

nmap -p 3463 -sV <host>
sudo nmap -sU -p 3463 <host>
nc -zv <host> 3463

Block it in the firewall

sudo ufw deny 3463/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3463" -Direction Inbound -LocalPort 3463 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3463 used for?

Port 3463 is assigned by IANA to edm-adm-notify (EDM ADM Notify).

Is port 3463 TCP or UDP?

Port 3463 is registered for TCP and UDP.

Is it safe to open port 3463?

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 3463 is open?

On Linux run "ss -ltnup 'sport = :3463'", on macOS "lsof -nP -i :3463", and on Windows "netstat -ano | findstr :3463" to see the local process. From another machine, "nmap -p 3463 <host>" shows whether it is reachable.

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