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// Other services

Port 1575: oraclenames

Port 1575 is assigned by IANA to oraclenames (oraclenames).

1575

How oraclenames works

Other services
client:1575oraclenamesresponse client:1575oraclenamesresponse

The client sends a request to port 1575 and the oraclenames 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 1575 dangerous?

We have no specific security note for port 1575. 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 1575

ServicePortTransportDescriptionReferenceUpdated
oraclenames 1575 TCP, UDP oraclenames - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1575, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1575'      # process listening on 1575
sudo lsof -nP -i :1575

macOS

sudo lsof -nP -i :1575

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1575 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1575
netstat -ano | findstr :1575

From another machine

nmap -p 1575 -sV <host>
sudo nmap -sU -p 1575 <host>
nc -zv <host> 1575

Block it in the firewall

sudo ufw deny 1575/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1575" -Direction Inbound -LocalPort 1575 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1575 used for?

Port 1575 is assigned by IANA to oraclenames (oraclenames).

Is port 1575 TCP or UDP?

Port 1575 is registered for TCP and UDP.

Is it safe to open port 1575?

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 1575 is open?

On Linux run "ss -ltnup 'sport = :1575'", on macOS "lsof -nP -i :1575", and on Windows "netstat -ano | findstr :1575" to see the local process. From another machine, "nmap -p 1575 <host>" shows whether it is reachable.

05 Related
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