A server listens on a connection for a request, parses each message received, interprets the message semantics in relation to the identified request target, and responds to that request with one or more response messages. Each Hypertext Transfer Protocol (HTTP) message is either a request or a response. HTTP works as a request-response protocol between a client and server. The Hypertext Transfer Protocol (HTTP) is designed to enable communications between clients and servers. Unless a different port is specified, HTTPS uses port 443 instead of HTTP port 80 in its interactions with the lower layer, TCP/IP. HTTPS and SSL support the use of X.509 digital certificates from the server so that, if necessary, a user can authenticate the sender. The use of HTTPS protects against eavesdropping and man-in-the-middle attacks. HTTPS encrypts and decrypts user page requests as well as the pages that are returned by the Web server. HTTPS (HTTP over SSL or HTTP Secure) is the use of Secure Socket Layer (SSL) or Transport Layer Security (TLS) as a sublayer under regular HTTP application layering. If you are looking for POST method read here. Also you look towards server side php Example coding. In this example we learn how to send Secured GET request to a secured https web page using NodeMCU or ESP8266? As we know all web pages are HTTP protocols, GET and POST are methods of communicating between web browser and the server.
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