CyberHunter
Local dataset, no network
// Other services

Port 7273: OMA Roaming Location

Port 7273 is assigned by IANA to oma-rlp (OMA Roaming Location).

7273

How oma-rlp works

Other services
client:7273oma-rlpresponse client:7273oma-rlpresponse

The client sends a request to port 7273 and the oma-rlp 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 7273 dangerous?

We have no specific security note for port 7273. 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 7273

ServicePortTransportDescriptionReferenceUpdated
oma-rlp 7273 TCP, UDP OMA Roaming Location - 2005-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 7273, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7273'      # process listening on 7273
sudo lsof -nP -i :7273

macOS

sudo lsof -nP -i :7273

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7273 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7273
netstat -ano | findstr :7273

From another machine

nmap -p 7273 -sV <host>
sudo nmap -sU -p 7273 <host>
nc -zv <host> 7273

Block it in the firewall

sudo ufw deny 7273/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7273" -Direction Inbound -LocalPort 7273 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7273 used for?

Port 7273 is assigned by IANA to oma-rlp (OMA Roaming Location).

Is port 7273 TCP or UDP?

Port 7273 is registered for TCP and UDP.

Is it safe to open port 7273?

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 7273 is open?

On Linux run "ss -ltnup 'sport = :7273'", on macOS "lsof -nP -i :7273", and on Windows "netstat -ano | findstr :7273" to see the local process. From another machine, "nmap -p 7273 <host>" shows whether it is reachable.

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