1433
MS SQL
Microsoft SQL Server
TCP
Database
Port Information
Port Number
1433
Protocol
TCP
Category
Database
Common Usage
URL with Port
http://localhost:1433 https://example.com:1433
Node.js/Express Server
const express = require('express');
const app = express();
const PORT = 1433;
app.listen(PORT, () => {
console.log(`Server running on port ${PORT}`);
});Docker Port Mapping
docker run -p 1433:1433 myapp # In docker-compose.yml ports: - "1433:1433"
Firewall Configuration
# Linux/Ubuntu firewall sudo ufw allow 1433/tcp # Check if port is in use netstat -an | grep 1433
Port 1433 - MS SQL
Microsoft SQL Server This is a TCP port commonly used in database 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.