6667
IRC
Internet Relay Chat
TCP
Messaging
Port Information
Port Number
6667
Protocol
TCP
Category
Messaging
Common Usage
URL with Port
http://localhost:6667 https://example.com:6667
Node.js/Express Server
const express = require('express');
const app = express();
const PORT = 6667;
app.listen(PORT, () => {
console.log(`Server running on port ${PORT}`);
});Docker Port Mapping
docker run -p 6667:6667 myapp # In docker-compose.yml ports: - "6667:6667"
Firewall Configuration
# Linux/Ubuntu firewall sudo ufw allow 6667/tcp # Check if port is in use netstat -an | grep 6667
Port 6667 - IRC
Internet Relay Chat This is a TCP port commonly used in messaging applications. Port numbers range from 0-65535, with ports 0-1023 being well-known system ports, 1024-49151 being registered ports, and 49152-65535 being dynamic/private ports.