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// Other services

Port 7275: OMA UserPlane Location

Port 7275 is assigned by IANA to oma-ulp (OMA UserPlane Location).

7275

How oma-ulp works

Other services
client:7275oma-ulpresponse client:7275oma-ulpresponse

The client sends a request to port 7275 and the oma-ulp 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 7275 dangerous?

We have no specific security note for port 7275. 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 7275

ServicePortTransportDescriptionReferenceUpdated
oma-ulp 7275 TCP, UDP OMA UserPlane Location - 2006-02

// source: IANA service name and port number registry

03 Check it

Which program uses port 7275, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7275'      # process listening on 7275
sudo lsof -nP -i :7275

macOS

sudo lsof -nP -i :7275

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7275 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7275
netstat -ano | findstr :7275

From another machine

nmap -p 7275 -sV <host>
sudo nmap -sU -p 7275 <host>
nc -zv <host> 7275

Block it in the firewall

sudo ufw deny 7275/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7275" -Direction Inbound -LocalPort 7275 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7275 used for?

Port 7275 is assigned by IANA to oma-ulp (OMA UserPlane Location).

Is port 7275 TCP or UDP?

Port 7275 is registered for TCP and UDP.

Is it safe to open port 7275?

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 7275 is open?

On Linux run "ss -ltnup 'sport = :7275'", on macOS "lsof -nP -i :7275", and on Windows "netstat -ano | findstr :7275" to see the local process. From another machine, "nmap -p 7275 <host>" shows whether it is reachable.

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