Scan Port using Python

import socket
import concurrent.futures
 
def scan_port(ip, port):
    try:
        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
            s.settimeout(1)  # Set timeout to 1 second
            s.connect((ip, port))
            return port, True
    except (socket.timeout, socket.error):
        return port, False
 
def scan_ports(ip, start_port, end_port):
    ports = range(start_port, end_port + 1)
    open_ports = []
 
    with concurrent.futures.ThreadPoolExecutor(max_workers=100) as executor:
        futures = [executor.submit(scan_port, ip, port) for port in ports]
        for future in concurrent.futures.as_completed(futures):
            port, is_open = future.result()
            if is_open:
                open_ports.append(port)
                print(f"Port {port} is open.")
 
    return open_ports
 
if __name__ == "__main__":
    target_ip = "192.168.1.1"  # Replace with the target IP address
    start_port = 1
    end_port = 1024  # You can increase this to scan more ports
 
    print(f"Scanning {target_ip} for open ports from {start_port} to {end_port}...")
    open_ports = scan_ports(target_ip, start_port, end_port)
    if open_ports:
        print("Open ports:", open_ports)
    else:
        print("No open ports found.")