Web and Email Services

Definition: Multiple websites (virtual hosts) are hosted on a single IP address, differentiated by their domain names (hostnames). Key Characteristics: - Uses HTTP Host header to identify which website the client is requesting - Server examines the Host fie...

Web server configuration is the process of setting up and customizing a web server to handle HTTP/HTTPS requests and serve web content according to specific requirements. Here is the systematic process: - Download and install the web server software (e.g., ...

IP-based virtual hosting is a technique that allows a single physical web server to host multiple websites, where each website is associated with a unique IP address. Each domain name is mapped to a different IP address on the same server, enabling the serv...

SMTP relay is a mechanism that allows an email message to be forwarded from one mail server to another mail server on its way to the final destination. It enables mail servers to act as intermediaries in the email delivery process, passing messages between ...

File Transfer Protocol (FTP) is an application-layer protocol used for transferring files between computers over a network. The key principles are: - FTP operates on a client-server model where the client initiates connection to an FTP server - The server l...

A proxy caching server is an intermediary server that sits between client computers and origin servers (web servers). It intercepts client requests, stores copies of frequently accessed web content locally, and serves that cached content to subsequent reque...

Email communication requires multiple protocols working together. SMTP, POP3, and IMAP are the three fundamental protocols that handle different aspects of email transmission and retrieval. --- Role: Sending and relaying emails - Function: SMTP is responsib...