自己域名内网穿透

import socket

def port_forward(local_port, remote_host, remote_port):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as local_socket:
        local_socket.bind(('0.0.0.0', local_port))
        local_socket.listen(5)
        print(f"Listening on port {local_port}...")
        while True:
            client_socket, addr = local_socket.accept()
            print(f"Accepted connection from {addr}")
            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as remote_socket:
                remote_socket.connect((remote_host, remote_port))
                print(f"Connected to {remote_host}:{remote_port}")
                while True:
                    data = client_socket.recv(1024)
                    if not data:
                        break
                    remote_socket.sendall(data)
                    response = remote_socket.recv(1024)
                    client_socket.sendall(response)
            client_socket.close()

if __name__ == "__main__":
    port_forward(8080, '192.168.1.100', 80)