PORT 5672 / TCPInfrastructure & CloudExposure Risk: High

Port 5672: RabbitMQ (AMQP) — Advanced Message Queuing Protocol

Default port for RabbitMQ message broker connections.

Default Service

RabbitMQ (AMQP)

Process: beam.smp

Transport Protocol

TCP

IANA Registered Port 5672

Docker Port Flag

-p 5672:5672

Container to Host Mapping

How to Check & Kill Process on Port 5672 (EADDRINUSE Fix)

macOS & Linux (lsof / kill)

# Find process using port 5672
sudo lsof -i :5672

# Instantly kill process on port 5672
lsof -ti:5672 | xargs kill -9

Windows (PowerShell & CMD)

# Find PID listening on port 5672
netstat -ano | findstr :5672

# Force kill by PID
taskkill /PID <PID_NUMBER> /F

Cross-Platform Node.js One-Liner

# Kill port 5672 via npx
npx kill-port 5672

# Or diagnose via Castov CLI
npx castov fix "EADDRINUSE :::5672"

Linux Firewall (UFW) & Connectivity Test

# Test if port 5672 is reachable
nc -zv localhost 5672

# Allow or deny port 5672 in UFW
sudo ufw allow 5672/tcp

Frequently Asked Questions about Port 5672

What is Port 5672 used for?

Port 5672 is the standard network port for RabbitMQ (AMQP) (Advanced Message Queuing Protocol) operating over TCP. The typical system daemon or process is beam.smp.

How do I kill a process running on Port 5672 (EADDRINUSE)?

On macOS and Linux, run: lsof -ti:5672 | xargs kill -9 (or npx kill-port 5672). On Windows PowerShell/CMD, run: netstat -ano | findstr :5672 and then taskkill /PID <PID> /F.