{"id":2341,"date":"2022-10-15T13:51:31","date_gmt":"2022-10-15T13:51:31","guid":{"rendered":"https:\/\/www.hledimenanebe.cz\/?p=2341"},"modified":"2023-08-24T21:35:21","modified_gmt":"2023-08-24T21:35:21","slug":"co-je-http","status":"publish","type":"post","link":"https:\/\/www.hledimenanebe.cz\/index.php\/2022\/10\/15\/co-je-http\/","title":{"rendered":"Co je HTTP"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2341\" class=\"elementor elementor-2341\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-71e7da81 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"71e7da81\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6e889254\" data-id=\"6e889254\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-34ed2b6c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"34ed2b6c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e9b34eb\" data-id=\"1e9b34eb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-25faabdb elementor-widget elementor-widget-text-editor\" data-id=\"25faabdb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>HTTP je zkratka pro <strong>Hypertext Transfer Protocol<\/strong>. Je to internetov\u00fd protokol pro komunikaci s WWW servery. P\u0159enos prob\u00edh\u00e1 v\u011bt\u0161inou pomoc\u00ed hypertextov\u00fdch dokument\u016f ve form\u00e1tu HTML nebo XML. HTTP pro jednozna\u010dnou specifikaci zdroje v s\u00edti internet pou\u017e\u00edv\u00e1 URL (Uniform Resource Locator \/ jednotn\u00fd lok\u00e1tor prost\u0159edk\u016f). Protokol s\u00e1m nedok\u00e1\u017ee zabezpe\u010dit \u0161ifrov\u00e1n\u00ed dat. K tomu vyu\u017e\u00edv\u00e1 TLS spojen\u00ed nad TCP. Takov\u00e9 pou\u017eit\u00ed je potom ozna\u010dov\u00e1no jako HTTPS.<\/p><p>Spousta nezn\u00e1m\u00fdch? Poj\u010fme se mrknout na pojmy.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d66e32 e-transform elementor-widget elementor-widget-heading\" data-id=\"5d66e32\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_translateX_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:5,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-protokol\">Co je protokol<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51a85202 e-transform elementor-widget elementor-widget-heading\" data-id=\"51a85202\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_translateX_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:5,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-webovy-server\">Co je webov\u00fd server\n<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2209e393 e-transform elementor-widget elementor-widget-heading\" data-id=\"2209e393\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_translateX_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:5,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-hypertext\">Co je hypertext<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-329a8b91 e-transform elementor-widget elementor-widget-heading\" data-id=\"329a8b91\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_translateX_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:5,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-url\">Co je URL<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1548f5 e-transform elementor-widget elementor-widget-heading\" data-id=\"d1548f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_translateX_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:5,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-tls\">Co je TLS<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7855a598 e-transform elementor-widget elementor-widget-heading\" data-id=\"7855a598\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_translateX_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:5,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"#link-na-video-http\">Link na video<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-793a609e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"793a609e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-647adf6c\" data-id=\"647adf6c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-40335854 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"40335854\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3afa6462 elementor-widget elementor-widget-spacer\" data-id=\"3afa6462\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2295c3dc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2295c3dc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eed7f06\" data-id=\"eed7f06\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f728bd6 elementor-widget elementor-widget-heading\" data-id=\"2f728bd6\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"co-je-protokol\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-protokol\">Co je protokol<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ef1f3a1 elementor-widget elementor-widget-text-editor\" data-id=\"4ef1f3a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ve sv\u011bt\u011b IT je protokol standard, podle kter\u00e9ho prob\u00edh\u00e1 elektronick\u00e1 komunikace a p\u0159enos dat mezi dv\u011bma koncov\u00fdmi body (endpoints). Nej\u010dast\u011bji jsou jimi po\u010d\u00edta\u010de, koncov\u00fdm bodem ale m\u016f\u017ee klidn\u011b b\u00fdt i jak\u00fdkoliv server, webkamera nebo t\u0159eba mobil. Krom\u011b HTTP protokolu existuj\u00ed TCP\/IP protokoly, DHCP, FTP, POP3, IMAP a dal\u0161\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-306ca7aa elementor-widget elementor-widget-spacer\" data-id=\"306ca7aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e750bcb elementor-widget elementor-widget-heading\" data-id=\"e750bcb\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"co-je-webovy-server\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-webovy-server\">Co je webov\u00fd server<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e4bb2f8 elementor-widget elementor-widget-text-editor\" data-id=\"5e4bb2f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>M\u016f\u017ee to b\u00fdt po\u010d\u00edta\u010d nebo po\u010d\u00edta\u010dov\u00fd program, kter\u00fd komunikuje s klientem pomoc\u00ed HTTP (p\u0159\u00edpadn\u011b HTTPS) protokolu. P\u0159edstavte si po\u010d\u00edta\u010dovou s\u00ed\u0165, kde na jedn\u00e9 stran\u011b je klient, na druh\u00e9 stran\u011b stoj\u00ed pr\u00e1v\u011b server. Klientem m\u016f\u017ee b\u00fdt nap\u0159\u00edklad v\u00e1\u0161 webov\u00fd prohl\u00ed\u017ee\u010d. Ten po\u0161le serveru po\u017eadavek specifikovan\u00fd webovou adresou (URL). Server potom poskytne prohl\u00ed\u017ee\u010di odpov\u011b\u010f ve form\u011b po\u017eadovan\u00e9ho obsahu (obvykle HTML). <span class=\"Apple-converted-space\">\u00a0<\/span><\/p><p>Poj\u010fme je\u0161t\u011b lehce omrknout stavov\u00e9 k\u00f3dy. Ur\u010dit\u011b zn\u00e1te t\u0159eba chybov\u00e9 hl\u00e1\u0161ky, to jsou stavov\u00e9 k\u00f3dy za\u010d\u00ednaj\u00edc\u00ed \u010d\u00edslicemi 4 nebo 5.<\/p><p><strong>Stavov\u00e9 k\u00f3dy HTTP:<\/strong><\/p><ul><li>2xx \u2013 \u00fasp\u011b\u0161n\u00e9 vy\u0159\u00edzen\u00ed po\u017eadavku<\/li><li>3xx \u2013 z\u00e1le\u017eitosti spojen\u00e9 s p\u0159esm\u011brov\u00e1n\u00edm<\/li><li>4xx \u2013 chyby souvisej\u00edc\u00ed s vy\u0159\u00edzen\u00edm po\u017eadavku (str\u00e1nka nen\u00ed dostupn\u00e1, apod.)<\/li><li>5xx \u2013 intern\u00ed chyby serveru<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-616c1e54 elementor-widget elementor-widget-spacer\" data-id=\"616c1e54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3dd7a378 elementor-widget elementor-widget-heading\" data-id=\"3dd7a378\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"co-je-hypertext\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-hypertext\">Co je hypertext<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e458c11 elementor-widget elementor-widget-text-editor\" data-id=\"6e458c11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Hypertext je text, kter\u00fd obsahuje tak\u00e9 odkazy. M\u016f\u017eete se z n\u011bj prokliknout na dal\u0161\u00ed m\u00edsto v textu nebo na jin\u00fd dokument. Ano, World Wide Web (sv\u011btov\u00e1 komunika\u010dn\u00ed s\u00ed\u0165), v sou\u010dasnosti nejpou\u017e\u00edvan\u011bj\u0161\u00ed slu\u017eba na internetu, je pr\u00e1v\u011b s\u00edt\u00ed vz\u00e1jemn\u011b propojen\u00fdch hypertextov\u00fdch dokument\u016f. Ve va\u0161em prohl\u00ed\u017ee\u010di se hypertextov\u00e9 dokumenty zobrazuj\u00ed nej\u010dast\u011bji prost\u0159ednictv\u00edm jazyka HTML (Hypertext Markup Language).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71c2d5a9 elementor-widget elementor-widget-spacer\" data-id=\"71c2d5a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e52fd50 elementor-widget elementor-widget-heading\" data-id=\"5e52fd50\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"co-je-url\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-url\">Co je URL<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-655e7072 elementor-widget elementor-widget-text-editor\" data-id=\"655e7072\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Uniform Resource Locator (jednotn\u00fd lok\u00e1tor zdroje) je \u0159et\u011bzec znak\u016f, kter\u00fd specifikuje um\u00edst\u011bn\u00ed zdroje informac\u00ed na internetu. B\u011b\u017en\u011b se s n\u00edm setk\u00e1te nap\u0159\u00edklad u webov\u00e9 str\u00e1nky. <span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d335f0 elementor-widget elementor-widget-spacer\" data-id=\"4d335f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4cdb836 elementor-widget elementor-widget-heading\" data-id=\"4cdb836\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"co-je-tls\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"#co-je-tls\">Co je TLS<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50946f2 elementor-widget elementor-widget-text-editor\" data-id=\"50946f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>TLS (Transport Layer Security) je kryptografick\u00fd protokol, kter\u00fd dok\u00e1\u017ee \u0161ifrovat obousm\u011brnou komunikaci na internetu. P\u0159enos dat umo\u017e\u0148uje Transmission Control Protocol (TCP). Ten zaji\u0161\u0165uje spojen\u00ed mezi jednotliv\u00fdmi body s\u00edt\u011b a obousm\u011brn\u00fd p\u0159enos dat mezi nimi. P\u0159edch\u016fdcem TLS protokolu je SSL (Secure Socket Layer).<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56086c0 elementor-widget elementor-widget-spacer\" data-id=\"56086c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5f81ef8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5f81ef8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-500d484\" data-id=\"500d484\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-08ff088 elementor-widget elementor-widget-text-editor\" data-id=\"08ff088\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Mrkn\u011bte na p\u0159ehledn\u00e9 video, kter\u00e9 v\u00e1m n\u00e1zorn\u011b vysv\u011btl\u00ed z\u00e1klady HTTP.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c44bdd0 elementor-widget elementor-widget-video\" data-id=\"c44bdd0\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"link-na-video-http\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=wW2A5SZ3GkI&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6530881c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6530881c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5b800f99\" data-id=\"5b800f99\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-33f3a905 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"33f3a905\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2d666542 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2d666542\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-47a83a44\" data-id=\"47a83a44\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-47320226 elementor-widget elementor-widget-text-editor\" data-id=\"47320226\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pot\u0159ebujete na sv\u00e9m webu nastavit cookie li\u0161tu podle nov\u00e9 legislativy (2022)? <a href=\"https:\/\/www.hledimenanebe.cz\/index.php\/2022\/01\/09\/jak-na-cookie-listu-2022-ve-wordpress-od-lamy-pro-lamy\/\" target=\"_blank\" rel=\"noopener\">Mrkn\u011bte sem<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-532ec712 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"532ec712\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1728562f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1728562f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-104103ec\" data-id=\"104103ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-61884b2e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"61884b2e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6b5842fc\" data-id=\"6b5842fc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>HTTP je zkratka pro Hypertext Transfer Protocol. Je to internetov\u00fd protokol pro komunikaci s WWW servery. P\u0159enos prob\u00edh\u00e1 v\u011bt\u0161inou pomoc\u00ed hypertextov\u00fdch dokument\u016f ve form\u00e1tu HTML nebo XML. HTTP pro jednozna\u010dnou specifikaci zdroje v s\u00edti internet pou\u017e\u00edv\u00e1 URL (Uniform Resource Locator \/ jednotn\u00fd lok\u00e1tor prost\u0159edk\u016f). Protokol s\u00e1m nedok\u00e1\u017ee zabezpe\u010dit \u0161ifrov\u00e1n\u00ed dat. K tomu vyu\u017e\u00edv\u00e1 TLS spojen\u00ed nad TCP. Takov\u00e9 pou\u017eit\u00ed je potom ozna\u010dov\u00e1no jako HTTPS. Spousta nezn\u00e1m\u00fdch? Poj\u010fme se mrknout na pojmy. Co je protokol Co je webov\u00fd server Co je hypertext Co je URL Co je TLS Link na video Co je protokol Ve sv\u011bt\u011b IT je protokol standard, podle kter\u00e9ho prob\u00edh\u00e1 elektronick\u00e1 komunikace a p\u0159enos dat mezi dv\u011bma koncov\u00fdmi body (endpoints). Nej\u010dast\u011bji jsou jimi po\u010d\u00edta\u010de, koncov\u00fdm bodem ale m\u016f\u017ee klidn\u011b b\u00fdt i jak\u00fdkoliv server, webkamera nebo t\u0159eba mobil. Krom\u011b HTTP protokolu existuj\u00ed TCP\/IP protokoly, DHCP, FTP, POP3, IMAP a dal\u0161\u00ed. Co je webov\u00fd server M\u016f\u017ee to b\u00fdt po\u010d\u00edta\u010d nebo po\u010d\u00edta\u010dov\u00fd program, kter\u00fd komunikuje s klientem pomoc\u00ed HTTP (p\u0159\u00edpadn\u011b HTTPS) protokolu. P\u0159edstavte si po\u010d\u00edta\u010dovou s\u00ed\u0165, kde na jedn\u00e9 stran\u011b je klient, na druh\u00e9 stran\u011b stoj\u00ed pr\u00e1v\u011b server. Klientem m\u016f\u017ee b\u00fdt nap\u0159\u00edklad v\u00e1\u0161 webov\u00fd prohl\u00ed\u017ee\u010d. Ten po\u0161le serveru po\u017eadavek specifikovan\u00fd webovou adresou (URL). Server potom poskytne prohl\u00ed\u017ee\u010di odpov\u011b\u010f ve form\u011b po\u017eadovan\u00e9ho obsahu (obvykle HTML). \u00a0 Poj\u010fme je\u0161t\u011b lehce omrknout stavov\u00e9 k\u00f3dy. Ur\u010dit\u011b zn\u00e1te t\u0159eba chybov\u00e9 hl\u00e1\u0161ky, to jsou stavov\u00e9 k\u00f3dy za\u010d\u00ednaj\u00edc\u00ed \u010d\u00edslicemi 4 nebo 5. Stavov\u00e9 k\u00f3dy HTTP: 2xx \u2013 \u00fasp\u011b\u0161n\u00e9 vy\u0159\u00edzen\u00ed po\u017eadavku 3xx \u2013 z\u00e1le\u017eitosti spojen\u00e9 s p\u0159esm\u011brov\u00e1n\u00edm 4xx \u2013 chyby souvisej\u00edc\u00ed s vy\u0159\u00edzen\u00edm po\u017eadavku (str\u00e1nka nen\u00ed dostupn\u00e1, apod.) 5xx \u2013 intern\u00ed chyby serveru Co je hypertext Hypertext je text, kter\u00fd obsahuje tak\u00e9 odkazy. M\u016f\u017eete se z n\u011bj prokliknout na dal\u0161\u00ed m\u00edsto v textu nebo na jin\u00fd dokument. Ano, World Wide Web (sv\u011btov\u00e1 komunika\u010dn\u00ed s\u00ed\u0165), v sou\u010dasnosti nejpou\u017e\u00edvan\u011bj\u0161\u00ed slu\u017eba na internetu, je pr\u00e1v\u011b s\u00edt\u00ed vz\u00e1jemn\u011b propojen\u00fdch hypertextov\u00fdch dokument\u016f. Ve va\u0161em prohl\u00ed\u017ee\u010di se hypertextov\u00e9 dokumenty zobrazuj\u00ed nej\u010dast\u011bji prost\u0159ednictv\u00edm jazyka HTML (Hypertext Markup Language). Co je URL Uniform Resource Locator (jednotn\u00fd lok\u00e1tor zdroje) je \u0159et\u011bzec znak\u016f, kter\u00fd specifikuje um\u00edst\u011bn\u00ed zdroje informac\u00ed na internetu. B\u011b\u017en\u011b se s n\u00edm setk\u00e1te nap\u0159\u00edklad u webov\u00e9 str\u00e1nky. \u00a0 Co je TLS TLS (Transport Layer Security) je kryptografick\u00fd protokol, kter\u00fd dok\u00e1\u017ee \u0161ifrovat obousm\u011brnou komunikaci na internetu. P\u0159enos dat umo\u017e\u0148uje Transmission Control Protocol (TCP). Ten zaji\u0161\u0165uje spojen\u00ed mezi jednotliv\u00fdmi body s\u00edt\u011b a obousm\u011brn\u00fd p\u0159enos dat mezi nimi. P\u0159edch\u016fdcem TLS protokolu je SSL (Secure Socket Layer).\u00a0 Mrkn\u011bte na p\u0159ehledn\u00e9 video, kter\u00e9 v\u00e1m n\u00e1zorn\u011b vysv\u011btl\u00ed z\u00e1klady HTTP. https:\/\/www.youtube.com\/watch?v=wW2A5SZ3GkI Pot\u0159ebujete na sv\u00e9m webu nastavit cookie li\u0161tu podle nov\u00e9 legislativy (2022)? Mrkn\u011bte sem.<\/p>\n","protected":false},"author":1,"featured_media":2351,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[65,62,63,64],"class_list":["post-2341","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologie","tag-basics","tag-http","tag-pc","tag-programovani"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Co je HTTP | Hled\u00edme na nebe<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hledimenanebe.cz\/index.php\/2022\/10\/15\/co-je-http\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Co je HTTP | Hled\u00edme na nebe\" \/>\n<meta property=\"og:description\" content=\"HTTP je zkratka pro Hypertext Transfer Protocol. Je to internetov\u00fd protokol pro komunikaci s WWW servery. P\u0159enos prob\u00edh\u00e1 v\u011bt\u0161inou pomoc\u00ed hypertextov\u00fdch dokument\u016f ve form\u00e1tu HTML nebo XML. HTTP pro jednozna\u010dnou specifikaci zdroje v s\u00edti internet pou\u017e\u00edv\u00e1 URL (Uniform Resource Locator \/ jednotn\u00fd lok\u00e1tor prost\u0159edk\u016f). Protokol s\u00e1m nedok\u00e1\u017ee zabezpe\u010dit \u0161ifrov\u00e1n\u00ed dat. K tomu vyu\u017e\u00edv\u00e1 TLS spojen\u00ed nad TCP. Takov\u00e9 pou\u017eit\u00ed je potom ozna\u010dov\u00e1no jako HTTPS. Spousta nezn\u00e1m\u00fdch? Poj\u010fme se mrknout na pojmy. Co je protokol Co je webov\u00fd server Co je hypertext Co je URL Co je TLS Link na video Co je protokol Ve sv\u011bt\u011b IT je protokol standard, podle kter\u00e9ho prob\u00edh\u00e1 elektronick\u00e1 komunikace a p\u0159enos dat mezi dv\u011bma koncov\u00fdmi body (endpoints). Nej\u010dast\u011bji jsou jimi po\u010d\u00edta\u010de, koncov\u00fdm bodem ale m\u016f\u017ee klidn\u011b b\u00fdt i jak\u00fdkoliv server, webkamera nebo t\u0159eba mobil. Krom\u011b HTTP protokolu existuj\u00ed TCP\/IP protokoly, DHCP, FTP, POP3, IMAP a dal\u0161\u00ed. Co je webov\u00fd server M\u016f\u017ee to b\u00fdt po\u010d\u00edta\u010d nebo po\u010d\u00edta\u010dov\u00fd program, kter\u00fd komunikuje s klientem pomoc\u00ed HTTP (p\u0159\u00edpadn\u011b HTTPS) protokolu. P\u0159edstavte si po\u010d\u00edta\u010dovou s\u00ed\u0165, kde na jedn\u00e9 stran\u011b je klient, na druh\u00e9 stran\u011b stoj\u00ed pr\u00e1v\u011b server. Klientem m\u016f\u017ee b\u00fdt nap\u0159\u00edklad v\u00e1\u0161 webov\u00fd prohl\u00ed\u017ee\u010d. Ten po\u0161le serveru po\u017eadavek specifikovan\u00fd webovou adresou (URL). Server potom poskytne prohl\u00ed\u017ee\u010di odpov\u011b\u010f ve form\u011b po\u017eadovan\u00e9ho obsahu (obvykle HTML). \u00a0 Poj\u010fme je\u0161t\u011b lehce omrknout stavov\u00e9 k\u00f3dy. Ur\u010dit\u011b zn\u00e1te t\u0159eba chybov\u00e9 hl\u00e1\u0161ky, to jsou stavov\u00e9 k\u00f3dy za\u010d\u00ednaj\u00edc\u00ed \u010d\u00edslicemi 4 nebo 5. Stavov\u00e9 k\u00f3dy HTTP: 2xx \u2013 \u00fasp\u011b\u0161n\u00e9 vy\u0159\u00edzen\u00ed po\u017eadavku 3xx \u2013 z\u00e1le\u017eitosti spojen\u00e9 s p\u0159esm\u011brov\u00e1n\u00edm 4xx \u2013 chyby souvisej\u00edc\u00ed s vy\u0159\u00edzen\u00edm po\u017eadavku (str\u00e1nka nen\u00ed dostupn\u00e1, apod.) 5xx \u2013 intern\u00ed chyby serveru Co je hypertext Hypertext je text, kter\u00fd obsahuje tak\u00e9 odkazy. M\u016f\u017eete se z n\u011bj prokliknout na dal\u0161\u00ed m\u00edsto v textu nebo na jin\u00fd dokument. Ano, World Wide Web (sv\u011btov\u00e1 komunika\u010dn\u00ed s\u00ed\u0165), v sou\u010dasnosti nejpou\u017e\u00edvan\u011bj\u0161\u00ed slu\u017eba na internetu, je pr\u00e1v\u011b s\u00edt\u00ed vz\u00e1jemn\u011b propojen\u00fdch hypertextov\u00fdch dokument\u016f. Ve va\u0161em prohl\u00ed\u017ee\u010di se hypertextov\u00e9 dokumenty zobrazuj\u00ed nej\u010dast\u011bji prost\u0159ednictv\u00edm jazyka HTML (Hypertext Markup Language). Co je URL Uniform Resource Locator (jednotn\u00fd lok\u00e1tor zdroje) je \u0159et\u011bzec znak\u016f, kter\u00fd specifikuje um\u00edst\u011bn\u00ed zdroje informac\u00ed na internetu. B\u011b\u017en\u011b se s n\u00edm setk\u00e1te nap\u0159\u00edklad u webov\u00e9 str\u00e1nky. \u00a0 Co je TLS TLS (Transport Layer Security) je kryptografick\u00fd protokol, kter\u00fd dok\u00e1\u017ee \u0161ifrovat obousm\u011brnou komunikaci na internetu. P\u0159enos dat umo\u017e\u0148uje Transmission Control Protocol (TCP). Ten zaji\u0161\u0165uje spojen\u00ed mezi jednotliv\u00fdmi body s\u00edt\u011b a obousm\u011brn\u00fd p\u0159enos dat mezi nimi. P\u0159edch\u016fdcem TLS protokolu je SSL (Secure Socket Layer).\u00a0 Mrkn\u011bte na p\u0159ehledn\u00e9 video, kter\u00e9 v\u00e1m n\u00e1zorn\u011b vysv\u011btl\u00ed z\u00e1klady HTTP. https:\/\/www.youtube.com\/watch?v=wW2A5SZ3GkI Pot\u0159ebujete na sv\u00e9m webu nastavit cookie li\u0161tu podle nov\u00e9 legislativy (2022)? 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Je to internetov\u00fd protokol pro komunikaci s WWW servery. P\u0159enos prob\u00edh\u00e1 v\u011bt\u0161inou pomoc\u00ed hypertextov\u00fdch dokument\u016f ve form\u00e1tu HTML nebo XML. HTTP pro jednozna\u010dnou specifikaci zdroje v s\u00edti internet pou\u017e\u00edv\u00e1 URL (Uniform Resource Locator \/ jednotn\u00fd lok\u00e1tor prost\u0159edk\u016f). Protokol s\u00e1m nedok\u00e1\u017ee zabezpe\u010dit \u0161ifrov\u00e1n\u00ed dat. K tomu vyu\u017e\u00edv\u00e1 TLS spojen\u00ed nad TCP. Takov\u00e9 pou\u017eit\u00ed je potom ozna\u010dov\u00e1no jako HTTPS. Spousta nezn\u00e1m\u00fdch? Poj\u010fme se mrknout na pojmy. Co je protokol Co je webov\u00fd server Co je hypertext Co je URL Co je TLS Link na video Co je protokol Ve sv\u011bt\u011b IT je protokol standard, podle kter\u00e9ho prob\u00edh\u00e1 elektronick\u00e1 komunikace a p\u0159enos dat mezi dv\u011bma koncov\u00fdmi body (endpoints). Nej\u010dast\u011bji jsou jimi po\u010d\u00edta\u010de, koncov\u00fdm bodem ale m\u016f\u017ee klidn\u011b b\u00fdt i jak\u00fdkoliv server, webkamera nebo t\u0159eba mobil. Krom\u011b HTTP protokolu existuj\u00ed TCP\/IP protokoly, DHCP, FTP, POP3, IMAP a dal\u0161\u00ed. Co je webov\u00fd server M\u016f\u017ee to b\u00fdt po\u010d\u00edta\u010d nebo po\u010d\u00edta\u010dov\u00fd program, kter\u00fd komunikuje s klientem pomoc\u00ed HTTP (p\u0159\u00edpadn\u011b HTTPS) protokolu. P\u0159edstavte si po\u010d\u00edta\u010dovou s\u00ed\u0165, kde na jedn\u00e9 stran\u011b je klient, na druh\u00e9 stran\u011b stoj\u00ed pr\u00e1v\u011b server. Klientem m\u016f\u017ee b\u00fdt nap\u0159\u00edklad v\u00e1\u0161 webov\u00fd prohl\u00ed\u017ee\u010d. Ten po\u0161le serveru po\u017eadavek specifikovan\u00fd webovou adresou (URL). Server potom poskytne prohl\u00ed\u017ee\u010di odpov\u011b\u010f ve form\u011b po\u017eadovan\u00e9ho obsahu (obvykle HTML). \u00a0 Poj\u010fme je\u0161t\u011b lehce omrknout stavov\u00e9 k\u00f3dy. Ur\u010dit\u011b zn\u00e1te t\u0159eba chybov\u00e9 hl\u00e1\u0161ky, to jsou stavov\u00e9 k\u00f3dy za\u010d\u00ednaj\u00edc\u00ed \u010d\u00edslicemi 4 nebo 5. Stavov\u00e9 k\u00f3dy HTTP: 2xx \u2013 \u00fasp\u011b\u0161n\u00e9 vy\u0159\u00edzen\u00ed po\u017eadavku 3xx \u2013 z\u00e1le\u017eitosti spojen\u00e9 s p\u0159esm\u011brov\u00e1n\u00edm 4xx \u2013 chyby souvisej\u00edc\u00ed s vy\u0159\u00edzen\u00edm po\u017eadavku (str\u00e1nka nen\u00ed dostupn\u00e1, apod.) 5xx \u2013 intern\u00ed chyby serveru Co je hypertext Hypertext je text, kter\u00fd obsahuje tak\u00e9 odkazy. M\u016f\u017eete se z n\u011bj prokliknout na dal\u0161\u00ed m\u00edsto v textu nebo na jin\u00fd dokument. Ano, World Wide Web (sv\u011btov\u00e1 komunika\u010dn\u00ed s\u00ed\u0165), v sou\u010dasnosti nejpou\u017e\u00edvan\u011bj\u0161\u00ed slu\u017eba na internetu, je pr\u00e1v\u011b s\u00edt\u00ed vz\u00e1jemn\u011b propojen\u00fdch hypertextov\u00fdch dokument\u016f. Ve va\u0161em prohl\u00ed\u017ee\u010di se hypertextov\u00e9 dokumenty zobrazuj\u00ed nej\u010dast\u011bji prost\u0159ednictv\u00edm jazyka HTML (Hypertext Markup Language). Co je URL Uniform Resource Locator (jednotn\u00fd lok\u00e1tor zdroje) je \u0159et\u011bzec znak\u016f, kter\u00fd specifikuje um\u00edst\u011bn\u00ed zdroje informac\u00ed na internetu. B\u011b\u017en\u011b se s n\u00edm setk\u00e1te nap\u0159\u00edklad u webov\u00e9 str\u00e1nky. \u00a0 Co je TLS TLS (Transport Layer Security) je kryptografick\u00fd protokol, kter\u00fd dok\u00e1\u017ee \u0161ifrovat obousm\u011brnou komunikaci na internetu. P\u0159enos dat umo\u017e\u0148uje Transmission Control Protocol (TCP). Ten zaji\u0161\u0165uje spojen\u00ed mezi jednotliv\u00fdmi body s\u00edt\u011b a obousm\u011brn\u00fd p\u0159enos dat mezi nimi. P\u0159edch\u016fdcem TLS protokolu je SSL (Secure Socket Layer).\u00a0 Mrkn\u011bte na p\u0159ehledn\u00e9 video, kter\u00e9 v\u00e1m n\u00e1zorn\u011b vysv\u011btl\u00ed z\u00e1klady HTTP. https:\/\/www.youtube.com\/watch?v=wW2A5SZ3GkI Pot\u0159ebujete na sv\u00e9m webu nastavit cookie li\u0161tu podle nov\u00e9 legislativy (2022)? 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