Port 4028DTServer
An obscure TCP/UDP assignment for DTServer with no widely documented public use.
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
2 transports registered
payload readable on path
registered with iana
safe
rank 993 of 5,005 · top 20%
also known as dtserver-port
Technical Details
what runs on :4028DTServer is registered on port :4028 over tcp and udp to Stephen Aikins. We don't have a technical write-up for it beyond the IANA registry entry.
In nmap's internet-wide scan data this port is never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.
find what's listening on :4028
# linux
sudo ss -tulpn 'sport = :4028'
# macos / bsd
sudo lsof -nP -i :4028
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4028nmap -sV -p T:4028 <host>
sudo nmap -sU -sV -p U:4028 <host>run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.
add technical detailsSecurity Information
exposure of :4028risk score
1/ 10safe
routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
official
registered with iana for this service — scanners fingerprint it by number
reachable over
tcp · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
no security notes recorded for :4028 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :4028, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :3978 | OpenTTD Master Server | TCPUDP | Gaming | caution | 12.5k |
| :3999 | Norman Scanning Service | TCPUDP | Security | caution | 9.9k |
| :4069 | Minger Email Verification | UDP | caution | 8.5k | |
| :4007 | PrintBuzzer Socket Server | TCP | Network Services | caution | 8.2k |
| :4001 | Microsoft Ants | TCP | Gaming | caution | 7.7k |
| :4089 | OpenCORE Remote Control | TCPUDP | Remote Access | caution | 7.4k |
| :4018 | Protocol Info & Warnings | TCPUDP | Network Services | caution | 6.7k |
| :3979 | OpenTTD | TCPUDP | Gaming | caution | 4.4k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted