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// Other services

Port 28119: A27 cdma2000 RAN Management

Port 28119 is assigned by IANA to a27-ran-ran (A27 cdma2000 RAN Management).

28119

How a27-ran-ran works

Other services
client:28119a27-ran-ranresponse client:28119a27-ran-ranresponse

The client sends a request to port 28119 and the a27-ran-ran service answers.

Transport
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 28119 dangerous?

We have no specific security note for port 28119. 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 28119

ServicePortTransportDescriptionReferenceUpdated
a27-ran-ran 28119 UDP A27 cdma2000 RAN Management - 2012-04-13
-28119-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 28119, and is it reachable?

Linux

sudo ss -ltnup 'sport = :28119'      # process listening on 28119
sudo lsof -nP -i :28119

macOS

sudo lsof -nP -i :28119

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 28119 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 28119
netstat -ano | findstr :28119

From another machine

nmap -p 28119 -sV <host>
sudo nmap -sU -p 28119 <host>
nc -zv <host> 28119

Block it in the firewall

sudo ufw deny 28119/udp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 28119" -Direction Inbound -LocalPort 28119 -Protocol UDP -Action Block  # Windows
04 FAQ
What is port 28119 used for?

Port 28119 is assigned by IANA to a27-ran-ran (A27 cdma2000 RAN Management).

Is port 28119 TCP or UDP?

Port 28119 is registered for UDP.

Is it safe to open port 28119?

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 28119 is open?

On Linux run "ss -ltnup 'sport = :28119'", on macOS "lsof -nP -i :28119", and on Windows "netstat -ano | findstr :28119" to see the local process. From another machine, "nmap -p 28119 <host>" shows whether it is reachable.

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