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What is a webserver?


What is a webserver?

Simplified; a webserver is a collection of software-programs which are able to deliver HTML documents, stylesheets, images etcetera based on requests (using the Hypertext Transfer Protocol).

Whenever you start your browser and visit a webpage a HTTP Request is submitted to the webserver, the webserver intrepetates this and responds in returning HTML documents, images, stylesheets etc.

Let's focus on what is happening on the webserver-side. Say; we tried to visit; http://www.webdevelopment-school.com/welcome.html, let's break up this URL to see what we have got;

Part of URL Description
http:// This is the definition of the used protocol, http stands for HyperText Transfer Protocol. Other examples are https, ftp etc.
www.webdevelopment-school.com This is the requested domain
/welcome.html This is the requested page, also know as the request uri


When the HTTP request reaches the webserver there are a couple of things the webserver will do:

  1. Check if the requested domain is configured (www.webdevelopment-school.com)
  2. If it's configured it'll look the requested page up in the configured directory
  3. Return / serve the requested page

So we could say that a webserver can manage multiple websites, each website has it's own configuration. In this configuration we define the location of the files for that particular domain.

Examples of some webservers: nginx, IIS, Apache.

We will focus on Apache


Comments (13) Post comment

  • Direct url Aracelitar (November 6, 2018 @ 03:23)
    Åù¸ îäíà ðàçâðàòíàÿ ðàáîòíèöà, äîìðàáîòíèöà èëè ñëóæàíêà - íå âàæíî. Ãëàâíîå, ÷òî îíà íå ïðèëè÷íî îäåòà! \r\n[url=http://devstvennici-porno.ru/domrabotnicy-porno-foto/637-dlinnonogaya-domrabotnica-masturbiruet-goryachuyu-pilotku-bez-trusov.html][img]http://devstvennici-porno.ru/uploads/posts/2016-03/medium/1458746944_image_240.jpg[/img][/url] \r\nïîðíî ôîòî ó ãèíåêîäîãà, [url=http://devstvennici-porno.ru/letniy-seks-porno-foto/827-ryzhaya-shlyuha-zanyalas-letnim-seksom-s-nakachennym-muzhchinoy.html]ïîðíî êàðòèíêè ìàëü÷èêè è äåâî÷êè ïîäðîñòêè[/url] \r\nhttp://devstvennici-porno.ru/
  • Direct url DorisVeshy (October 14, 2018 @ 01:58)
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  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 21, 2018 @ 23:13)
    ðàçìåòêà îñíîâàíèÿ, íà êîòîðîì áóäóò ðàçìåùåíà òà èëè èíàÿ êîíñòðóêöèÿ è åå ïëàíèðîâêà; \r\n òàêæå <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921>ëåñà ñòðîèòåëüíûå â ìèíñêå</a> \r\n îçíàêîìëåíèå ðàáî÷èõ ñ êîíñòðóêöèåé, ïðîâåäåíèå èíñòðóêòàæà ïî åå ñáîðêå, êðåïëåíèþ è ïî òåõíèêå áåçîïàñíîñòè; \r\n ðàñêëàäêà ýëåìåíòîâ êîíñòðóêöèè ïî ïåðèìåòðó óñòàíîâêè; \r\n ðàçìåùåíèå â íåîáõîäèìûõ ìåñòàõ ïîäúåìíûõ ìåõàíèçìîâ, åñëè îíè áóäóò èñïîëüçîâàòüñÿ ïðè ñáîðêå êîíñòðóêöèè; \r\n ïðîâåðêà êàæäîãî ýëåìåíòà, êàê è ùèòîâ íàñòèëà íà ïðåäìåò âûÿâëåíèÿ ïîâðåæäåíèé; \r\n óñòàíîâêà ïåðâîãî ÿðóñà;
  • Direct url StephenDRONY (September 17, 2018 @ 05:49)
    , ; \r\n <a href=https://baraholka.onliner.by/viewtopic.php?t=21167921> </a> \r\n , , ; \r\n ; \r\n , ; \r\n , ; \r\n ;
  • Direct url Bryceweema (September 5, 2018 @ 00:12)
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  • Direct url Rogerinsigue (July 7, 2018 @ 05:27)
    Hello. And Bye.

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