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// Other services

Port 3015: NATI DSTP

Port 3015 is assigned by IANA to nati-dstp (NATI DSTP).

3015

How nati-dstp works

Other services
client:3015nati-dstpresponse client:3015nati-dstpresponse

The client sends a request to port 3015 and the nati-dstp 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 3015 dangerous?

We have no specific security note for port 3015. 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 3015

ServicePortTransportDescriptionReferenceUpdated
nati-dstp 3015 TCP, UDP NATI DSTP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3015, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3015'      # process listening on 3015
sudo lsof -nP -i :3015

macOS

sudo lsof -nP -i :3015

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3015 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3015
netstat -ano | findstr :3015

From another machine

nmap -p 3015 -sV <host>
sudo nmap -sU -p 3015 <host>
nc -zv <host> 3015

Block it in the firewall

sudo ufw deny 3015/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3015" -Direction Inbound -LocalPort 3015 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3015 used for?

Port 3015 is assigned by IANA to nati-dstp (NATI DSTP).

Is port 3015 TCP or UDP?

Port 3015 is registered for TCP and UDP.

Is it safe to open port 3015?

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 3015 is open?

On Linux run "ss -ltnup 'sport = :3015'", on macOS "lsof -nP -i :3015", and on Windows "netstat -ano | findstr :3015" to see the local process. From another machine, "nmap -p 3015 <host>" shows whether it is reachable.

05 Related
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