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// Other services

Port 1190: CommLinx GPS / AVL System

Port 1190 is assigned by IANA to commlinx-avl (CommLinx GPS / AVL System).

1190

How commlinx-avl works

Other services
client:1190commlinx-avlresponse client:1190commlinx-avlresponse

The client sends a request to port 1190 and the commlinx-avl 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 1190 dangerous?

We have no specific security note for port 1190. 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 1190

ServicePortTransportDescriptionReferenceUpdated
commlinx-avl 1190 TCP, UDP CommLinx GPS / AVL System - 2004-11

// source: IANA service name and port number registry

03 Check it

Which program uses port 1190, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1190'      # process listening on 1190
sudo lsof -nP -i :1190

macOS

sudo lsof -nP -i :1190

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1190 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1190
netstat -ano | findstr :1190

From another machine

nmap -p 1190 -sV <host>
sudo nmap -sU -p 1190 <host>
nc -zv <host> 1190

Block it in the firewall

sudo ufw deny 1190/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1190" -Direction Inbound -LocalPort 1190 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1190 used for?

Port 1190 is assigned by IANA to commlinx-avl (CommLinx GPS / AVL System).

Is port 1190 TCP or UDP?

Port 1190 is registered for TCP and UDP.

Is it safe to open port 1190?

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 1190 is open?

On Linux run "ss -ltnup 'sport = :1190'", on macOS "lsof -nP -i :1190", and on Windows "netstat -ano | findstr :1190" to see the local process. From another machine, "nmap -p 1190 <host>" shows whether it is reachable.

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