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// Other services

Port 3416: AirMobile IS Command Port

Port 3416 is assigned by IANA to commandport (AirMobile IS Command Port).

3416

How commandport works

Other services
client:3416commandportresponse client:3416commandportresponse

The client sends a request to port 3416 and the commandport 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 3416 dangerous?

We have no specific security note for port 3416. 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 3416

ServicePortTransportDescriptionReferenceUpdated
commandport 3416 TCP, UDP AirMobile IS Command Port - 2002-02

// source: IANA service name and port number registry

03 Check it

Which program uses port 3416, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3416'      # process listening on 3416
sudo lsof -nP -i :3416

macOS

sudo lsof -nP -i :3416

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3416 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3416
netstat -ano | findstr :3416

From another machine

nmap -p 3416 -sV <host>
sudo nmap -sU -p 3416 <host>
nc -zv <host> 3416

Block it in the firewall

sudo ufw deny 3416/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3416" -Direction Inbound -LocalPort 3416 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3416 used for?

Port 3416 is assigned by IANA to commandport (AirMobile IS Command Port).

Is port 3416 TCP or UDP?

Port 3416 is registered for TCP and UDP.

Is it safe to open port 3416?

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 3416 is open?

On Linux run "ss -ltnup 'sport = :3416'", on macOS "lsof -nP -i :3416", and on Windows "netstat -ano | findstr :3416" to see the local process. From another machine, "nmap -p 3416 <host>" shows whether it is reachable.

05 Related
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