CyberHunter
Local dataset, no network
// Other services

Port 2416: RMT Server

Port 2416 is assigned by IANA to rmtserver (RMT Server).

2416

How rmtserver works

Other services
client:2416rmtserverresponse client:2416rmtserverresponse

The client sends a request to port 2416 and the rmtserver 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 2416 dangerous?

We have no specific security note for port 2416. 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 2416

ServicePortTransportDescriptionReferenceUpdated
rmtserver 2416 TCP, UDP RMT Server - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2416, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2416'      # process listening on 2416
sudo lsof -nP -i :2416

macOS

sudo lsof -nP -i :2416

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2416 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2416
netstat -ano | findstr :2416

From another machine

nmap -p 2416 -sV <host>
sudo nmap -sU -p 2416 <host>
nc -zv <host> 2416

Block it in the firewall

sudo ufw deny 2416/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2416" -Direction Inbound -LocalPort 2416 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2416 used for?

Port 2416 is assigned by IANA to rmtserver (RMT Server).

Is port 2416 TCP or UDP?

Port 2416 is registered for TCP and UDP.

Is it safe to open port 2416?

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 2416 is open?

On Linux run "ss -ltnup 'sport = :2416'", on macOS "lsof -nP -i :2416", and on Windows "netstat -ano | findstr :2416" to see the local process. From another machine, "nmap -p 2416 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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