python实现全端口扫描

import socket
from concurrent.futures import ThreadPoolExecutor

# 扫描指定 IP 地址的端口
def scan_port(ip, port):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.settimeout(0.5)  # 设置超时时间
        result = s.connect_ex((ip, port))  # 尝试连接
        if result == 0:
            print(f'Port {port} is open')
        # else:
        #     print(f'Port {port} is closed')

def scan_ports(ip):
    with ThreadPoolExecutor(max_workers=100) as executor:
        # 使用并发扫描
        for port in range(1, 65536):
            executor.submit(scan_port, ip, port)

if __name__ == '__main__':
    target_ip = input("Enter the IP address to scan: ")
    print(f"Scanning {target_ip} for open ports...")
    scan_ports(target_ip)