免费端口域名软件

import socket

def forward(source_port, destination_host, destination_port):
    source_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    source_socket.bind(('0.0.0.0', source_port))
    source_socket.listen(5)

    print(f"Forwarding {source_port} to {destination_host}:{destination_port}")

    while True:
        client_socket, addr = source_socket.accept()
        print(f"Accepted connection from {addr}")

        destination_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        destination_socket.connect((destination_host, destination_port))

        def transfer(src, dst):
            while True:
                data = src.recv(1024)
                if not data:
                    break
                dst.sendall(data)

        transfer_thread1 = threading.Thread(target=transfer, args=(client_socket, destination_socket))
        transfer_thread2 = threading.Thread(target=transfer, args=(destination_socket, client_socket))

        transfer_thread1.start()
        transfer_thread2.start()

        transfer_thread1.join()
        transfer_thread2.join()

        client_socket.close()
        destination_socket.close()

if __name__ == "__main__":
    forward(8080, 'example.com', 80)