python_端口扫描

client.py

import socket

def get_ip_status(ip, port):
    sk= socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    try:
        sk.connect((ip, port))
        # print('{0} port {1} is open'.format(ip, port))
        return True
    except Exception as err:
        # print('{0} port {1} is not open'.format(ip, port))
        return False
    finally:
        sk.close()

if __name__ == '__main__':
    host = '127.0.0.1'
    for port in range(9000, 9010):
        if get_ip_status(host, port):
            print('{0} port {1} is open'.format(host, port))
        else:
            print('{0} port {1} is not open'.format(host, port))

server.py

import socket

sk=socket.socket()
sk.bind(("127.0.0.1",9005))
sk.listen()

conn,_ = sk.accept()  # 开启端口