CyberHunter
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// Other services

Port 3678: DataGuardianLT

Port 3678 is assigned by IANA to ipr-dglt (DataGuardianLT).

3678

How ipr-dglt works

Other services
client:3678ipr-dgltresponse client:3678ipr-dgltresponse

The client sends a request to port 3678 and the ipr-dglt 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 3678 dangerous?

We have no specific security note for port 3678. 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 3678

ServicePortTransportDescriptionReferenceUpdated
ipr-dglt 3678 TCP, UDP DataGuardianLT - 2003-01

// source: IANA service name and port number registry

03 Check it

Which program uses port 3678, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3678'      # process listening on 3678
sudo lsof -nP -i :3678

macOS

sudo lsof -nP -i :3678

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3678 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3678
netstat -ano | findstr :3678

From another machine

nmap -p 3678 -sV <host>
sudo nmap -sU -p 3678 <host>
nc -zv <host> 3678

Block it in the firewall

sudo ufw deny 3678/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3678" -Direction Inbound -LocalPort 3678 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3678 used for?

Port 3678 is assigned by IANA to ipr-dglt (DataGuardianLT).

Is port 3678 TCP or UDP?

Port 3678 is registered for TCP and UDP.

Is it safe to open port 3678?

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 3678 is open?

On Linux run "ss -ltnup 'sport = :3678'", on macOS "lsof -nP -i :3678", and on Windows "netstat -ano | findstr :3678" to see the local process. From another machine, "nmap -p 3678 <host>" shows whether it is reachable.

05 Related
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