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// Other services

Port 3604: BMC JMX Port

Port 3604 is assigned by IANA to bmc-jmx-port (BMC JMX Port).

3604

How bmc-jmx-port works

Other services
client:3604bmc-jmx-portresponse client:3604bmc-jmx-portresponse

The client sends a request to port 3604 and the bmc-jmx-port 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 3604 dangerous?

We have no specific security note for port 3604. 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 3604

ServicePortTransportDescriptionReferenceUpdated
bmc-jmx-port 3604 TCP, UDP BMC JMX Port - 2002-09

// source: IANA service name and port number registry

03 Check it

Which program uses port 3604, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3604'      # process listening on 3604
sudo lsof -nP -i :3604

macOS

sudo lsof -nP -i :3604

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3604 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3604
netstat -ano | findstr :3604

From another machine

nmap -p 3604 -sV <host>
sudo nmap -sU -p 3604 <host>
nc -zv <host> 3604

Block it in the firewall

sudo ufw deny 3604/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3604" -Direction Inbound -LocalPort 3604 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3604 used for?

Port 3604 is assigned by IANA to bmc-jmx-port (BMC JMX Port).

Is port 3604 TCP or UDP?

Port 3604 is registered for TCP and UDP.

Is it safe to open port 3604?

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 3604 is open?

On Linux run "ss -ltnup 'sport = :3604'", on macOS "lsof -nP -i :3604", and on Windows "netstat -ano | findstr :3604" to see the local process. From another machine, "nmap -p 3604 <host>" shows whether it is reachable.

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