CyberHunter
Local dataset, no network
// Other services

Port 1508: diagmond

Port 1508 is assigned by IANA to diagmond (diagmond).

1508

How diagmond works

Other services
client:1508diagmondresponse client:1508diagmondresponse

The client sends a request to port 1508 and the diagmond 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)
01 Security

Is port 1508 dangerous?

We have no specific security note for port 1508. 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 1508

ServicePortTransportDescriptionReferenceUpdated
diagmond 1508 TCP, UDP diagmond - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1508, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1508'      # process listening on 1508
sudo lsof -nP -i :1508

macOS

sudo lsof -nP -i :1508

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1508 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1508
netstat -ano | findstr :1508

From another machine

nmap -p 1508 -sV <host>
sudo nmap -sU -p 1508 <host>
nc -zv <host> 1508

Block it in the firewall

sudo ufw deny 1508/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1508" -Direction Inbound -LocalPort 1508 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1508 used for?

Port 1508 is assigned by IANA to diagmond (diagmond).

Is port 1508 TCP or UDP?

Port 1508 is registered for TCP and UDP.

Is it safe to open port 1508?

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 1508 is open?

On Linux run "ss -ltnup 'sport = :1508'", on macOS "lsof -nP -i :1508", and on Windows "netstat -ano | findstr :1508" to see the local process. From another machine, "nmap -p 1508 <host>" shows whether it is reachable.

05 Related

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