Learning Python Network Programming

Creating a custom SSL client/server

So far, we have been dealing more with the SSL or TLS client. Now, let us have a look at the server side briefly. As you are already familiar with the TCP/UDP socket server creation process, let's skip that part and just concentrate on the SSL wrapping part. The following code snippet shows an example of a simple SSL server:

import socket import ssl SSL_SERVER_PORT = 8000 if __name__ == '__main__': server_socket = socket.socket() server_socket.bind(('', SSL_SERVER_PORT)) server_socket.listen(5) print("Waiting for ssl client on port %s" %SSL_SERVER_PORT) newsocket, fromaddr = server_socket.accept() # Generate your server's public certificate and private key pairs. ssl_conn = ssl.wrap_socket(newsocket, server_side=True, ...