- 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.
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".).
How LiebDevMgmt_DM works
Other servicesThe 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
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:
IANA registry entries for port 3028
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| 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
Which program uses port 3028, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3028' # process listening on 3028
sudo lsof -nP -i :3028macOS
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
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.