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// Other services

Port 3028: LiebDevMgmt_DM

Port 3028 is assigned by IANA to LiebDevMgmt_DM (LiebDevMgmt_DM), LiebDevMgmt-DM (LiebDevMgmt_DM IANA assigned this well-formed service name as a replacement for "LiebDevMgmt_DM".).

3028

How LiebDevMgmt_DM works

Other services
client:3028LiebDevMgmt_DMresponse client:3028LiebDevMgmt_DMresponse

The client sends a request to port 3028 and the LiebDevMgmt_DM service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 3028 dangerous?

We have no specific security note for port 3028. 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 3028

ServicePortTransportDescriptionReferenceUpdated
LiebDevMgmt_DM 3028 TCP, UDP LiebDevMgmt_DM - -
LiebDevMgmt-DM 3028 TCP, UDP LiebDevMgmt_DM IANA assigned this well-formed service name as a replacement for "LiebDevMgmt_DM". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3028, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3028'      # process listening on 3028
sudo lsof -nP -i :3028

macOS

sudo lsof -nP -i :3028

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3028 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3028
netstat -ano | findstr :3028

From another machine

nmap -p 3028 -sV <host>
sudo nmap -sU -p 3028 <host>
nc -zv <host> 3028

Block it in the firewall

sudo ufw deny 3028/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3028" -Direction Inbound -LocalPort 3028 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3028 used for?

Port 3028 is assigned by IANA to LiebDevMgmt_DM (LiebDevMgmt_DM), LiebDevMgmt-DM (LiebDevMgmt_DM IANA assigned this well-formed service name as a replacement for "LiebDevMgmt_DM".).

Is port 3028 TCP or UDP?

Port 3028 is registered for TCP and UDP.

Is it safe to open port 3028?

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 3028 is open?

On Linux run "ss -ltnup 'sport = :3028'", on macOS "lsof -nP -i :3028", and on Windows "netstat -ano | findstr :3028" to see the local process. From another machine, "nmap -p 3028 <host>" shows whether it is reachable.

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