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Web Servers

• A computer that hosts one or more websites on the internet.
  • All files belonging to the sites are stored in that computer.
  • Will send a web page, by request, to the users browser.
  • Consists of hardware and software
• The hardware is what stores all the sites resources (html, videos, img, stylesheets)
• The software contains parts that control how web users access the hosted files:
  • Contain an HTTP server: understands URL's and uses a protocol that allows your browser to view web pages.
• When a user enters the domain name in to address bar of the browser:
  • The browser makes an HTTP request to the web server (hardware)
  • The software (HTTP server) accepts the request, finds the correct resource and sends the data back to the user.
• To publish a site, you will need either a static web server or a dynamic web server
  • A static web server sends files as they are
  • A dynamic web server consists of a static web server and other softwares (most commonly an application server and database).
    • The application server updates the requested file, pulling info from a database in order to send the requested resource.