Web server

A computer that delivers Web pages to browsers and other files to applications via the HTTP protocol. It includes the hardware, operating system, Web server software, TCP/IP protocols and site content (Web pages and other files). If the Web server is used internally and not by the public, it may be called an "intranet server."

HTTP Server
"Web server" may refer to just the software and not the entire computer system. In such cases, it refers to the HTTP server (IIS, Apache, etc.) that manages requests from the browser and delivers HTML documents and files in response. It also executes server-side scripts (CGI scripts, JSPs, ASPs, etc.) that provide functions such as database searching and e-commerce.

One Computer or Thousands
A single computer system that provides all the Internet services for a department or a small company would include the HTTP server (Web pages and files), FTP server (file downloads), NNTP server (newsgroups) and SMTP server (mail service). This system with all its services could be called a Web server. In ISPs and large companies, each of these services could be in a separate computer or in multiple computers. A datacenter for a large public Web site could contain hundreds and thousands of Web servers.

Web Servers Are Built Into Everything
Web servers are not only used to deliver Web pages. Web server software is built into numerous hardware devices and functions as the control panel for displaying and editing internal settings. Any network device, such as a router, access point or print server may have an internal Web server (HTTP server), which is accessed by its IP address just like a Web site. Contrast with Web client. See application server and embedded Web server.

Web Server Fundamentals

Web browsers communicate with Web servers via the TCP/IP protocol. The browser sends HTTP requests to the server, which responds with HTML pages and possibly additional programs in the form of ActiveX controls or Java applets.

Web Server Environment

This shows all the server-side processes that can take place in a Web server and application server. There is overlap between a Web server and an application server, as both can perform similar tasks. The Web server and application server can be in the same machine or in separate computers.

A Built-in Web Server

This home page is not coming from the Web, but from the Web server built into Tally's 8106 color laser printer. Any Web browser can access the configuration panel by IP address when Web server software provides the user interface. The 192.168.1.250 is the IP address of the printer.

Web Servers Are Everywhere

Web server software is built into this EasyCom print server, which plugs into the printer's parallel port.

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web server - HTTP server