CyberHunter
Local dataset, no network
// Other services

Port 3794: JAUS Robots

Port 3794 is assigned by IANA to jaus (JAUS Robots).

3794

How jaus works

Other services
client:3794jausresponse client:3794jausresponse

The client sends a request to port 3794 and the jaus 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 3794 dangerous?

We have no specific security note for port 3794. 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 3794

ServicePortTransportDescriptionReferenceUpdated
jaus 3794 TCP, UDP JAUS Robots - 2003-07

// source: IANA service name and port number registry

03 Check it

Which program uses port 3794, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3794'      # process listening on 3794
sudo lsof -nP -i :3794

macOS

sudo lsof -nP -i :3794

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3794 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3794
netstat -ano | findstr :3794

From another machine

nmap -p 3794 -sV <host>
sudo nmap -sU -p 3794 <host>
nc -zv <host> 3794

Block it in the firewall

sudo ufw deny 3794/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3794" -Direction Inbound -LocalPort 3794 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3794 used for?

Port 3794 is assigned by IANA to jaus (JAUS Robots).

Is port 3794 TCP or UDP?

Port 3794 is registered for TCP and UDP.

Is it safe to open port 3794?

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 3794 is open?

On Linux run "ss -ltnup 'sport = :3794'", on macOS "lsof -nP -i :3794", and on Windows "netstat -ano | findstr :3794" to see the local process. From another machine, "nmap -p 3794 <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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