Cookies – Informationen, die Websites auf Ihrem Computer ablegen

<!DOCTYPE html> <html class="no-js" lang="de" dir="ltr" data-gtm-container-id="G-2VC139B3XV" data-ga-content-group="kb-article" data-ga-default-slug="cookies-information-websites-store-on-your-computer" data-ga-article-locale="de" data-ga-topics="/tracking-protection/" data-ga-products="/firefox/" > <head>   <script src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/gtm-snippet.1c0037a49b66fb06.js" nonce="dckWgl7O/jsn2d+EYG5HGA=="></script>  <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title> Cookies – Informationen, die Websites auf Ihrem Computer ablegen | Hilfe zu Firefox </title> <link rel="apple-touch-icon" sizes="180x180" href="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/apple-touch-icon.bdc11b610d791a16.png"> <link rel="icon" type="image/png" sizes="32x32" href="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/favicon-32x32.2143cdf0c7e3f377.png"> <link rel="icon" type="image/png" sizes="16x16" 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content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <link rel="canonical" href="https://support.mozilla.org/de/kb/cookies-informationen-websites-auf-ihrem-computer" /> </head> <body class="html-ltr logged-out responsive document de" data-readonly="false" data-usernames-api="/de/users/api/usernames" data-messages-api="/de/messages/api/autocomplete" data-media-url="https://assets-prod.sumo.prod.webservices.mozgcp.net/" data-ga-alternate-url="/de/kb/cookies-information-websites-store-on-your-computer" data-document-id="2595" > <ul class="sumo-nav-access" id="nav-access"> <li><a href="#main-content">Zum Hauptinhalt springen</a></li> <li><a href="/de/locales?next=%2Fen-US%2Fkb%2Fcookies-information-websites-store-on-your-computer">Sprache wechseln</a></li> <li><a id="skip-to-search" href="#search-q">Zur Suche springen</a></li> </ul> <div class="media-test"></div> <div id="announcements"> <div id="announce-geoip-suggestion" class="mzp-c-notification-bar mzp-t-warning"> <button class="mzp-c-notification-bar-button close-button" data-close-id="announce-geoip-suggestion" type="button" data-close-memory="remember" data-close-type="remove" > </button> <p></p> </div> </div> <header class="mzp-c-navigation sumo-nav"> <div class="mzp-c-navigation-l-content"> <div class="sumo-nav--container"> <div class="sumo-nav--logo"> <a href="/de/"><img src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/mozilla-support.c4f961a8d7b1d501.svg" alt="Mozilla Support Logo"/></a> </div> <button data-mobile-nav-search-button class="sumo-nav--search-button" type="button">Search</button> <button data-sumo-toggle-nav="#main-navigation" class="sumo-nav--toggle-button" type="button" aria-controls="main-navigation">Menu</button> <a class="sumo-nav--avatar-button" data-sumo-toggle-nav="#profile-navigation" aria-controls="profile-navigation" aria-role="button"> <img class="avatar" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/default-FFA-avatar.2f8c2a0592bda1c5.png" alt="Avatar for Username"> </a> <div class="mzp-c-navigation-items sumo-nav--list-wrap" id="main-navigation"> <div class="mzp-c-navigation-menu"> <nav class="mzp-c-menu mzp-is-basic"> <ul class="mzp-c-menu-category-list sumo-nav--list"> <li class="mzp-c-menu-category mzp-has-drop-down mzp-js-expandable"> <a class="mzp-c-menu-title sumo-nav--link" href="/de/questions/" aria-haspopup="true" aria-controls="mzp-c-menu-panel-help">Entdecken Sie Hilfeartikel</a> <div class="mzp-c-menu-panel mzp-has-card" id="mzp-c-menu-panel-help"> <div class="sumo-nav--dropdown-container"> <div class="sumo-nav--dropdown-grid"> <button class="mzp-c-menu-button-close" type="button" aria-controls="mzp-c-menu-panel-example">Menüpunkt schließen</button> <div class="sumo-nav--dropdown-col"> <section class="mzp-c-menu-item mzp-has-icon sumo-nav--dropdown-item"> <div class="mzp-c-menu-item-head"> <svg class="mzp-c-menu-item-icon" width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"> <g transform="translate(3 3)" stroke="#000" stroke-width="2" fill="none" fill-rule="evenodd" stroke-linecap="round"> <rect stroke-linejoin="round" width="18" height="18" rx="2" /> <path d="M4 5h10M4 9h10M4 13h4" /> </g> </svg> <h4 class="mzp-c-menu-item-title">Nach Produkt erkunden</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/de/products/firefox" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.firefox-browser.product-home", "link_detail": "firefox" }'> Firefox für Desktop-PCs </a> </li> <li> <a href="/de/products/firefox-private-network-vpn" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.mozilla-vpn.product-home", "link_detail": "firefox-private-network-vpn" }'> Mozilla VPN </a> </li> <li> <a href="/de/products/ios" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.firefox-for-ios.product-home", "link_detail": "ios" }'> Firefox für iOS </a> </li> <li> <a href="/de/products/thunderbird" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.thunderbird.product-home", "link_detail": "thunderbird" }'> Thunderbird </a> </li> <li> <a href="/de/products/mobile" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.firefox-for-android.product-home", "link_detail": "mobile" }'> Firefox für Android </a> </li> <li> <a class="color-link" href="/de/products/" data-event-name="link_click" data-event-parameters='{"link_name": "main-menu.browse-all-articles.list-products"}'> Alle Produkte ansehen </a> </li> </ul> </section> </div> <div class="sumo-nav--dropdown-col"> <section class="mzp-c-menu-item mzp-has-icon sumo-nav--dropdown-item"> <div class="mzp-c-menu-item-head"> <svg class="mzp-c-menu-item-icon" width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"> <g transform="translate(3 3)" stroke="#000" stroke-width="2" fill="none" fill-rule="evenodd" stroke-linecap="round"> <rect stroke-linejoin="round" width="18" height="18" rx="2" /> <path d="M4 5h10M4 9h10M4 13h4" /> </g> </svg> <h4 class="mzp-c-menu-item-title">Nach Produkt erkunden</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/de/topics/settings" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "settings" }'> Einstellungen </a> </li> <li> <a href="/de/topics/installation-and-updates" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "installation-and-updates" }'> Installation and updates </a> </li> <li> <a href="/de/topics/email-and-messaging" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "email-and-messaging" }'> Email and messaging </a> </li> <li> <a href="/de/topics/performance-and-connectivity" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "performance-and-connectivity" }'> Performance and connectivity </a> </li> <li> <a href="/de/topics/privacy-and-security" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "privacy-and-security" }'> Privacy and security </a> </li> <li> <a href="/de/topics/browse" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "browse" }'> Durchsuchen </a> </li> </ul> </section> </div> </div> </div> </div> </li> <li class="mzp-c-menu-category mzp-has-drop-down mzp-js-expandable"> <a class="mzp-c-menu-title sumo-nav--link" href="#" aria-haspopup="true" aria-controls="mzp-c-menu-panel-tools">Foren der Gemeinschaft</a> <div class="mzp-c-menu-panel mzp-has-card" id="mzp-c-menu-panel-tools"> <div class="sumo-nav--dropdown-container"> <div class="sumo-nav--dropdown-grid"> <button class="mzp-c-menu-button-close" type="button" aria-controls="mzp-c-menu-panel-example">Menüpunkt schließen</button> <div class="sumo-nav--dropdown-col"> <section class="mzp-c-menu-item mzp-has-icon sumo-nav--dropdown-item"> <div class="mzp-c-menu-item-head"> <svg class="mzp-c-menu-item-icon" width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"> <g stroke="#000" stroke-width="2" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"> <path d="M17 17l-1.051 3.154a1 1 0 01-1.898 0L13 17H5a2 2 0 01-2-2V5a2 2 0 012-2h14a2 2 0 012 2v10a2 2 0 01-2 2h-2zM7 8h10M7 12h10" /> </g> </svg> <h4 class="mzp-c-menu-item-title">Nach Produkt durchsuchen</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/de/questions/firefox" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "desktop" }'> Firefox für Desktop-PCs </a> </li> <li> <a href="/de/questions/focus-firefox" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "focus" }'> Firefox Klar </a> </li> <li> <a href="/de/questions/ios" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "ios" }'> Firefox für iOS </a> </li> <li> <a href="/de/questions/thunderbird" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "thunderbird" }'> Thunderbird </a> </li> <li> <a href="/de/questions/mobile" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "mobile" }'> Firefox für Android </a> </li> <li> <a class="color-link" href="/de/questions/" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "view-all-home" }'> Alle Foren ansehen </a> </li> </ul> </section> </div> <div class="sumo-nav--dropdown-col"> <section class="mzp-c-menu-item mzp-has-icon sumo-nav--dropdown-item"> <div class="mzp-c-menu-item-head"> <svg class="mzp-c-menu-item-icon" width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"> <path d="M10.5 9.5L3 17c-1 1.667-1 3 0 4s2.333.833 4-.5l7.5-7.5c2.333 1.054 4.333.734 6-.96 1.667-1.693 1.833-3.707.5-6.04l-3 3-2.5-.5L15 6l3-3c-2.333-1.333-4.333-1.167-6 .5-1.667 1.667-2.167 3.667-1.5 6z" stroke="#000" stroke-width="2" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round" /> </svg> <h4 class="mzp-c-menu-item-title">Themen im Forum nach Thema durchsuchen</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/de/questions/topic/settings" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "settings" }'> Einstellungen </a> </li> <li> <a href="/de/questions/topic/installation-and-updates" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "installation-and-updates" }'> Installation and updates </a> </li> <li> <a href="/de/questions/topic/email-and-messaging" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "email-and-messaging" }'> Email and messaging </a> </li> <li> <a href="/de/questions/topic/performance-and-connectivity" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "performance-and-connectivity" }'> Performance and connectivity </a> </li> <li> <a href="/de/questions/topic/privacy-and-security" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "privacy-and-security" }'> Privacy and security </a> </li> <li> <a href="/de/questions/topic/browse" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "browse" }'> Durchsuchen </a> </li> </ul> </section> </div> </div> </div> </div> </li> <li class="mzp-c-menu-category mzp-has-drop-down mzp-js-expandable"> <a class="mzp-c-menu-title sumo-nav--link" href="/de/questions/" aria-haspopup="true" aria-controls="mzp-c-menu-panel-help">Stellen Sie eine Frage</a> <div class="mzp-c-menu-panel mzp-has-card" id="mzp-c-menu-panel-help"> <div class="sumo-nav--dropdown-container"> <div class="sumo-nav--dropdown-grid"> <button class="mzp-c-menu-button-close" type="button" aria-controls="mzp-c-menu-panel-example">Menüpunkt schließen </button> <div class="sumo-nav--dropdown"> <section class="mzp-c-menu-item mzp-has-icon sumo-nav--dropdown-item"> <div class="mzp-c-menu-item-head"> <svg class="mzp-c-menu-item-icon" width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"> <g stroke="#000" stroke-width="2" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"> <path d="M11 3H4a2 2 0 00-2 2v12a2 2 0 002 2h9l2 4 2-4h2a2 2 0 002-2v-6" /> <path d="M17.5 2.5a2.121 2.121 0 013 3L13 13l-4 1 1-4 7.5-7.5z" /> </g> </svg> <h4 class="mzp-c-menu-item-title">Holen Sie sich Hilfe zu</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist-aaq"> <li> <a href="/de/questions/new/desktop" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "desktop" }'> Firefox für Desktop-PCs </a> </li> <li> <a href="/de/questions/new/firefox-enterprise" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "firefox-enterprise" }'> Firefox für Unternehmen </a> </li> <li> <a href="/de/questions/new/relay" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "relay" }'> Firefox Relay </a> </li> <li> <a href="/de/questions/new/thunderbird" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "thunderbird" }'> Thunderbird </a> </li> <li> <a href="/de/questions/new/ios" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "ios" }'> Firefox für iOS </a> </li> <li> <a href="/de/questions/new/focus" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "focus" }'> Firefox Klar </a> </li> <li> <a href="/de/questions/new/monitor" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "monitor" }'> Monitor </a> </li> <li> <a href="/de/questions/new/mozilla-account" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "mozilla-account" }'> Mozilla-Konto </a> </li> <li> <a href="/de/questions/new/mobile" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "mobile" }'> Firefox für Android </a> </li> <li> <a href="/de/questions/new/firefox-private-network-vpn" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "firefox-private-network-vpn" }'> Mozilla VPN </a> </li> <li> <a href="/de/questions/new/pocket" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "pocket" }'> Pocket </a> </li> <li> <a class="color-link" href="/de/questions/new" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-1", "link_detail": "view-all" }'> Alle ansehen </a> </li> </ul> </section> </div> </div> </div> </div> </li> <li class="mzp-c-menu-category"> <a class="mzp-c-menu-title sumo-nav--link" href="/de/contribute" data-event-name="link_click" data-event-parameters='{"link_name": "main-menu.contribute.contribute-home"}'> Mitwirken </a> </li> </ul> </nav> </div> </div> <div class="mzp-c-navigation-items sumo-nav--list-wrap-right logged-out" id="profile-navigation"> <div class="mzp-c-navigation-menu"> <nav class="mzp-c-menu mzp-is-basic"> <ul class="mzp-c-menu-category-list sumo-nav--list"> <li class="mzp-c-menu-category sumo-nav--item-right"> <form data-instant-search="form" id="support-search" action="/de/search/" method="get" class="simple-search-form"> <input type="hidden" name="product" value="firefox" /> <input spellcheck="true" type="search" autocomplete="off" name="q" aria-required="true" placeholder="Fragen, Artikel oder Themen durchsuchen (Beispiel: Speichern von Passwörtern in Firefox)" class="searchbox" id="search-q" /> <button type="submit" title="Suche" class="search-button">Suche</button> </form> </li> <li class="mzp-c-menu-category logged-out-button-row "> <a rel="nofollow" href="/de/users/auth" class="sumo-button secondary-button button-lg" data-event-name="link_click" data-event-parameters='{"link_name": "main-menu.sign-in-up"}'> Anmelden/Registrieren </a> </li> </ul> </nav> </div> </div> <div class="mzp-c-navigation-items sumo-nav--mobile-search-form" id="search-navigation"> <div class="mzp-c-navigation-menu"> <nav class="mzp-c-menu mzp-is-basic"> <form data-instant-search="form" id="mobile-search-results" action="/de/search/" method="get" class="simple-search-form"> <input type="hidden" name="product" value="firefox" /> <input spellcheck="true" type="search" autocomplete="off" name="q" aria-required="true" placeholder="Fragen, Artikel oder Themen durchsuchen (Beispiel: Speichern von Passwörtern in Firefox)" class="searchbox" id="search-q" /> <button type="submit" title="Suche" class="search-button">Suche</button> </form> </nav> </div> </div> </div> </div> </header>  <div class="home-search-section sumo-page-section--lg shade-bg hidden-search-masthead"> <div class="mzp-l-content narrow"> <div class="home-search-section--content"> <h4 class="sumo-page-heading-xl">Hilfe durchsuchen</h4> <form data-instant-search="form" id="hidden-search" action="/de/search/" method="get" class="simple-search-form"> <input type="hidden" name="product" value="firefox" /> <input spellcheck="true" type="search" autocomplete="off" name="q" aria-required="true" placeholder="Fragen, Artikel oder Themen durchsuchen (Beispiel: Speichern von Passwörtern in Firefox)" class="searchbox" id="search-q" /> <button type="submit" title="Suche" class="search-button">Suche</button> </form> </div> </div> </div> <div class="mzp-l-content " id="main-content"> <div class="sumo-page-section--inner"> <div class="breadcrumbs" id="main-breadcrumbs"> <ol id="breadcrumbs" class="breadcrumbs--list"> <li><a href="/de/">Home</a></li> <li><a href="/de/products/firefox">Firefox</a></li> <li>Cookies – Informationen, die...</li> </ol> </div> <div class="sumo-l-two-col "> <aside id="aside" class="sumo-l-two-col--sidebar"> <div class="search-form-sidebar large-only"> <form data-instant-search="form" id="support-search-sidebar" action="/de/search/" method="get" class="simple-search-form"> <input 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Stellen Sie jetzt Ihre Frage und holen Sie sich Hilfe.</p> <a class="sumo-button primary-button feature-box" href="/de/kb/get-community-support?exit_aaq=1" data-event-name="link_click" data-event-parameters='{ "link_name": "aaq-widget.community-support.kb-article", "link_detail": "None" }'> Weiter </a> </div> <nav id="doc-tools"> <ul class="sidebar-nav sidebar-folding"> <li id="editing-tools-sidebar"> <span class="details-heading"></span> <ul class="sidebar-nav--list"> <li> <section class="showfor" id="showfor-panel"> <script type="application/json" class="showfor-data"> {"products": [{"title": "Firefox", "slug": "firefox", "platforms": ["win8", "win7", "winxp", "mac", "linux", "win10", "win11"], "visible": true}], "versions": {"firefox": [{"name": "Version 134", "slug": "fx134", "product": "firefox", "default": false, "min_version": 134.0, "max_version": 135.0, "visible": true}, {"name": "Version 133", "slug": "fx133", "product": "firefox", "default": false, "min_version": 133.0, "max_version": 134.0, "visible": true}, {"name": "Version 132", "slug": "fx132", "product": "firefox", "default": true, "min_version": 132.0, "max_version": 133.0, "visible": true}, {"name": "Version 131", "slug": "fx131", "product": "firefox", "default": false, "min_version": 131.0, "max_version": 132.0, "visible": true}, {"name": "Version 130", "slug": "fx130", "product": "firefox", "default": false, "min_version": 130.0, "max_version": 131.0, "visible": true}, {"name": "Version 129", "slug": "fx129", "product": "firefox", "default": false, "min_version": 129.0, "max_version": 130.0, "visible": true}, {"name": "Version 128", "slug": "fx128", "product": "firefox", "default": false, "min_version": 128.0, "max_version": 129.0, "visible": true}, {"name": "Version 127", "slug": "fx127", "product": "firefox", "default": false, "min_version": 127.0, "max_version": 128.0, "visible": true}, {"name": "Version 126", "slug": "fx126", "product": "firefox", "default": false, "min_version": 126.0, 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"min_version": 105.0, "max_version": 106.0, "visible": false}, {"name": "Version 104", "slug": "fx104", "product": "firefox", "default": false, "min_version": 104.0, "max_version": 105.0, "visible": false}, {"name": "Version 103", "slug": "fx103", "product": "firefox", "default": false, "min_version": 103.0, "max_version": 104.0, "visible": false}, {"name": "Version 102", "slug": "fx102", "product": "firefox", "default": false, "min_version": 102.0, "max_version": 103.0, "visible": false}, {"name": "Version 101", "slug": "fx101", "product": "firefox", "default": false, "min_version": 101.0, "max_version": 102.0, "visible": false}, {"name": "Version 100", "slug": "fx100", "product": "firefox", "default": false, "min_version": 100.0, "max_version": 101.0, "visible": false}, {"name": "Version 99", "slug": "fx99", "product": "firefox", "default": false, "min_version": 99.0, "max_version": 100.0, "visible": false}, {"name": "Version 98", "slug": "fx98", "product": "firefox", "default": false, "min_version": 98.0, "max_version": 99.0, "visible": false}, {"name": "Version 97", "slug": "fx97", "product": "firefox", "default": false, "min_version": 97.0, "max_version": 98.0, "visible": false}, {"name": "Version 96", "slug": "fx96", "product": "firefox", "default": false, "min_version": 96.0, "max_version": 97.0, "visible": false}, {"name": "Version 95", "slug": "fx95", "product": "firefox", "default": false, "min_version": 95.0, "max_version": 96.0, "visible": false}, {"name": "Version 94", "slug": "fx94", "product": "firefox", "default": false, "min_version": 94.0, "max_version": 95.0, "visible": false}, {"name": "Version 93", "slug": "fx93", "product": "firefox", "default": false, "min_version": 93.0, "max_version": 94.0, "visible": false}, {"name": "Version 92", "slug": "fx92", "product": "firefox", "default": false, "min_version": 92.0, "max_version": 93.0, "visible": false}, {"name": "Version 91", "slug": "fx91", "product": "firefox", "default": false, 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"visible": false}, {"name": "Version 76", "slug": "fx76", "product": "firefox", "default": false, "min_version": 76.0, "max_version": 77.0, "visible": false}, {"name": "Version 75", "slug": "fx75", "product": "firefox", "default": false, "min_version": 75.0, "max_version": 76.0, "visible": false}, {"name": "Version 74", "slug": "fx74", "product": "firefox", "default": false, "min_version": 74.0, "max_version": 75.0, "visible": false}, {"name": "Version 73", "slug": "fx73", "product": "firefox", "default": false, "min_version": 73.0, "max_version": 74.0, "visible": false}, {"name": "Version 72", "slug": "fx72", "product": "firefox", "default": false, "min_version": 72.0, "max_version": 73.0, "visible": false}, {"name": "Version 71", "slug": "fx71", "product": "firefox", "default": false, "min_version": 71.0, "max_version": 72.0, "visible": false}, {"name": "Version 70", "slug": "fx70", "product": "firefox", "default": false, "min_version": 70.0, "max_version": 71.0, "visible": false}, 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"product": "firefox", "default": false, "min_version": 55.0, "max_version": 56.0, "visible": false}, {"name": "Version 54", "slug": "fx54", "product": "firefox", "default": false, "min_version": 54.0, "max_version": 55.0, "visible": false}, {"name": "Version 53", "slug": "fx53", "product": "firefox", "default": false, "min_version": 53.0, "max_version": 54.0, "visible": false}, {"name": "Version 52", "slug": "fx52", "product": "firefox", "default": false, "min_version": 52.0, "max_version": 53.0, "visible": false}, {"name": "Version 51", "slug": "fx51", "product": "firefox", "default": false, "min_version": 51.0, "max_version": 52.0, "visible": false}, {"name": "Version 50", "slug": "fx50", "product": "firefox", "default": false, "min_version": 50.0, "max_version": 51.0, "visible": false}, {"name": "Version 49", "slug": "fx49", "product": "firefox", "default": false, "min_version": 49.0, "max_version": 50.0, "visible": false}, {"name": "Version 48", "slug": "fx48", "product": "firefox", "default": false, "min_version": 48.0, "max_version": 49.0, "visible": false}, {"name": "Version 47", "slug": "fx47", "product": "firefox", "default": false, "min_version": 47.0, "max_version": 48.0, "visible": false}, {"name": "Version 46", "slug": "fx46", "product": "firefox", "default": false, "min_version": 46.0, "max_version": 47.0, "visible": false}, {"name": "Version 45", "slug": "fx45", "product": "firefox", "default": false, "min_version": 45.0, "max_version": 46.0, "visible": false}, {"name": "Version 44", "slug": "fx44", "product": "firefox", "default": false, "min_version": 44.0, "max_version": 45.0, "visible": false}, {"name": "Version 43", "slug": "fx43", "product": "firefox", "default": false, "min_version": 43.0, "max_version": 44.0, "visible": false}, {"name": "Version 42", "slug": "fx42", "product": "firefox", "default": false, "min_version": 42.0, "max_version": 43.0, "visible": false}, {"name": "Version 41", "slug": "fx41", "product": "firefox", "default": false, "min_version": 41.0, "max_version": 42.0, "visible": false}, {"name": "Version 40", "slug": "fx40", "product": "firefox", "default": false, "min_version": 40.0, "max_version": 41.0, "visible": false}, {"name": "Version 39", "slug": "fx39", "product": "firefox", "default": false, "min_version": 39.0, "max_version": 40.0, "visible": false}, {"name": "Version 38", "slug": "fx38", "product": "firefox", "default": false, "min_version": 38.0, "max_version": 39.0, "visible": false}, {"name": "Version 37", "slug": "fx37", "product": "firefox", "default": false, "min_version": 37.0, "max_version": 38.0, "visible": false}, {"name": "Version 36", "slug": "fx36", "product": "firefox", "default": false, "min_version": 36.0, "max_version": 37.0, "visible": false}, {"name": "Version 35", "slug": "fx35", "product": "firefox", "default": false, "min_version": 35.0, "max_version": 36.0, "visible": false}, {"name": "Version 34", "slug": "fx34", "product": "firefox", "default": false, "min_version": 34.0, "max_version": 35.0, "visible": false}, {"name": "Version 33", "slug": "fx33", "product": "firefox", "default": false, "min_version": 33.0, "max_version": 34.0, "visible": false}, {"name": "Version 32", "slug": "fx32", "product": "firefox", "default": false, "min_version": 32.0, "max_version": 33.0, "visible": false}, {"name": "Version 31", "slug": "fx31", "product": "firefox", "default": false, "min_version": 31.0, "max_version": 32.0, "visible": false}, {"name": "Version 30", "slug": "fx30", "product": "firefox", "default": false, "min_version": 30.0, "max_version": 31.0, "visible": false}, {"name": "Version 29", "slug": "fx29", "product": "firefox", "default": false, "min_version": 29.0, "max_version": 30.0, "visible": false}, {"name": "Version 28", "slug": "fx28", "product": "firefox", "default": false, "min_version": 28.0, "max_version": 29.0, "visible": false}, {"name": "Version 27", "slug": "fx27", "product": "firefox", "default": false, "min_version": 27.0, "max_version": 28.0, "visible": false}, {"name": "Version 26", "slug": "fx26", "product": "firefox", "default": false, "min_version": 26.0, "max_version": 27.0, "visible": false}, {"name": "Version 25", "slug": "fx25", "product": "firefox", "default": false, "min_version": 25.0, "max_version": 26.0, "visible": false}, {"name": "Version 24 ESR", "slug": "fx24", "product": "firefox", "default": false, "min_version": 24.0, "max_version": 25.0, "visible": false}, {"name": "Version 24", "slug": "fx24", "product": "firefox", "default": false, "min_version": 24.0, "max_version": 25.0, "visible": false}, {"name": "Version 23", "slug": "fx23", "product": "firefox", "default": false, "min_version": 23.0, "max_version": 24.0, "visible": false}, {"name": "Version 22", "slug": "fx22", "product": "firefox", "default": false, "min_version": 22.0, "max_version": 23.0, "visible": false}, {"name": "Version 21", "slug": "fx21", "product": "firefox", "default": false, "min_version": 21.0, "max_version": 22.0, "visible": false}, {"name": "Version 20", "slug": "fx20", "product": "firefox", "default": false, "min_version": 20.0, "max_version": 21.0, "visible": false}, {"name": "Version 19", "slug": "fx19", "product": "firefox", "default": false, "min_version": 19.0, "max_version": 20.0, "visible": false}, {"name": "Version 18", "slug": "fx18", "product": "firefox", "default": false, "min_version": 18.0, "max_version": 19.0, "visible": false}, {"name": "Version 17 (ESR)", "slug": "fx17", "product": "firefox", "default": false, "min_version": 17.0, "max_version": 18.0, "visible": false}, {"name": "Version 16", "slug": "fx16", "product": "firefox", "default": false, "min_version": 16.0, "max_version": 17.0, "visible": false}, {"name": "Version 15", "slug": "fx15", "product": "firefox", "default": false, "min_version": 15.0, "max_version": 16.0, "visible": false}, {"name": "Version 14", "slug": "fx14", "product": "firefox", "default": false, "min_version": 14.0, "max_version": 15.0, "visible": false}, {"name": "Version 13", "slug": "fx13", "product": "firefox", "default": false, "min_version": 13.0, "max_version": 14.0, "visible": false}, {"name": "Version 12", "slug": "fx12", "product": "firefox", "default": false, "min_version": 12.0, "max_version": 13.0, "visible": false}, {"name": "Version 11", "slug": "fx11", "product": "firefox", "default": false, "min_version": 11.0, "max_version": 12.0, "visible": false}, {"name": "Version 10 (ESR)", "slug": "fx10", "product": "firefox", "default": false, "min_version": 10.0, "max_version": 11.0, "visible": false}, {"name": "Version 9", "slug": "fx9", "product": "firefox", "default": false, "min_version": 9.0, "max_version": 10.0, "visible": false}, {"name": "Version 8", "slug": "fx8", "product": "firefox", "default": false, "min_version": 8.0, "max_version": 9.0, "visible": false}, {"name": "Version 7", "slug": "fx7", "product": "firefox", "default": false, "min_version": 7.0, "max_version": 8.0, "visible": false}, {"name": "Version 6", "slug": "fx6", "product": "firefox", "default": false, "min_version": 6.0, "max_version": 7.0, "visible": false}, {"name": "Version 5", "slug": "fx5", "product": "firefox", "default": false, "min_version": 5.0, "max_version": 6.0, "visible": false}, {"name": "Version 4", "slug": "fx4", "product": "firefox", "default": false, "min_version": 4.0, "max_version": 5.0, "visible": false}, {"name": "Version 117", "slug": "fx117", "product": "firefox", "default": false, "min_version": -1.0, "max_version": 1.0, "visible": false}]}, "platforms": {"firefox": [{"name": "Linux", "slug": "linux", "visible": true}, {"name": "Mac", "slug": "mac", "visible": true}, {"name": "Windows XP", "slug": "winxp", "visible": true}, {"name": "Windows 7/Vista", "slug": "win7", "visible": true}, {"name": "Windows 8", "slug": "win8", "visible": true}, {"name": "Windows 10", "slug": "win10", "visible": true}, {"name": "Windows 11", "slug": "win11", "visible": true}]}} </script> <h3 class="sidebar-subheading force-top-margin">Artikel anzeigen für:</h3> <div class="product" data-product="firefox"> <div class="field checkbox is-condensed"> <input type="checkbox" id="id_firefox" checked value="product:firefox" /> <label for="id_firefox">Firefox</label> </div> <div class="selectbox-wrapper"> <select class="version"> <option value="version:fx134" data-min="134.0" data-max="135.0" > Version 134 </option> <option value="version:fx133" data-min="133.0" data-max="134.0" > Version 133 </option> <option value="version:fx132" data-min="132.0" data-max="133.0" selected> Version 132 </option> <option value="version:fx131" data-min="131.0" data-max="132.0" > Version 131 </option> <option value="version:fx130" data-min="130.0" data-max="131.0" > Version 130 </option> <option value="version:fx129" data-min="129.0" data-max="130.0" > Version 129 </option> <option value="version:fx128" data-min="128.0" data-max="129.0" > Version 128 </option> <option value="version:fx127" data-min="127.0" data-max="128.0" > Version 127 </option> <option value="version:fx126" data-min="126.0" data-max="127.0" > Version 126 </option> <option value="version:fx125" data-min="125.0" data-max="126.0" > Version 125 </option> <option value="version:fx124" data-min="124.0" data-max="125.0" > Version 124 </option> <option value="version:fx123" data-min="123.0" data-max="124.0" > Version 123 </option> <option value="version:fx122" data-min="122.0" data-max="123.0" > Version 122 </option> <option value="version:fx121" data-min="121.0" data-max="122.0" > Version 121 </option> <option value="version:fx120" data-min="120.0" data-max="121.0" > Version 120 </option> <option value="version:fx119" data-min="119.0" data-max="120.0" > Version 119 </option> <option value="version:fx118" data-min="118.0" data-max="119.0" > Version 118 </option> <option value="version:fx117" data-min="117.0" data-max="118.0" > Version 117 </option> <option value="version:fx116" data-min="116.0" data-max="117.0" > Version 116 </option> <option value="version:fx115" data-min="115.0" data-max="116.0" > Version 115 </option> </select> </div> <div class="selectbox-wrapper"> <select class="platform"> <option value="platform:win8" > Windows 8 </option> <option value="platform:win7" > Windows 7/Vista </option> <option value="platform:winxp" > Windows XP </option> <option value="platform:mac" > Mac </option> <option value="platform:linux" > Linux </option> <option value="platform:win10" > Windows 10 </option> <option value="platform:win11" > Windows 11 </option> </select> </div> </div> </section> </li> </ul> </li> </ul> </nav> <div class="document-vote--sidebar-wrap"> <div class="document-vote elevation-01 text-center"> <form class="document-vote--form helpful" action="/de/kb/cookies-informationen-websites-auf-ihrem-computer/vote" method="post"> <input type='hidden' name='csrfmiddlewaretoken' value='F0lJrtPDey9qqrt95bCFQbxCDQPYf1708LQOxKM26NBwh7jUnuaG5M241yNN9UsL' /> <h4 class="document-vote--heading">War der Artikel hilfreich?</h4> <div class="document-vote--buttons"> <input type="hidden" name="revision_id" value="235781" /> <input type="hidden" name="source" value="footer" /> <button type="submit" class="btn helpful-button" name="helpful"><span class="hidden-text">Ja</span>👍</button> <button type="submit" class="btn not-helpful-button" name="not-helpful"><span class="hidden-text">Nein</span>👎</button> <img class="wait" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/spinner.18d6c26adc937688.gif" alt="Bitte warten…" /> </div> </form> </div> </div> </aside> <main role="main" class="sumo-l-two-col--main"> <section id="document-list"> <header class="sumo-article-header kb-header"> <div class="sumo-article-header--text"> <div class="documents-product-title"> <a href="/de/products/firefox" title="Firefox"> <img src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2020-04-14-08-36-13-8dda6f.png" height="48" width="48" alt="" /> </a> <div class="firefox-download-button hidden"> <div class="download-buttons"> <div class="download-firefox"> <a href="https://www.mozilla.org/firefox/new/?utm_source=support.mozilla.org&utm_medium=referral&utm_campaign=non-fx-button&utm_content=body-download-button" class="download-button sumo-button primary-button button-lg"> Firefox herunterladen </a> <ul class="download-info text-body-xs"> <li><a href="https://www.mozilla.org/firefox/all/">Systeme und Sprachen</a></li> <li><a href="https://www.mozilla.org/firefox/notes">Was ist neu</a></li> <li><a href="https://www.mozilla.org/legal/privacy/firefox">Datenschutz</a></li> </ul> </div> </div> </div> </div> <h1 class="sumo-page-heading">Cookies – Informationen, die Websites auf Ihrem Computer ablegen</h1> </div> </header> <article class="wiki-doc"> <div id="document_metadata" class="has-border-bottom"> <span class="product tooltip-container"> Firefox <span class="tooltip">Firefox</span> </span> <span class="last-updated"> <img class="pencil" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/pencil.e33c563f24c4f989.svg" /> <strong>Zuletzt aktualisiert:</strong> <span class="time"> <time datetime="2022-01-04T02:20:27-08:00">04.01.22</time> </span> </span> <span class="helpful-info"> <img class="thumbsup" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/thumbs-up.2cbd5d41625a84a7.svg"/><span class="helpful-count">52%</span> der Nutzer finden dies hilfreich </span> </div> <section id="doc-content" class="document--content "> <p>Dieser Artikel beschreibt, was „Cookies“ sind, wie Websites solche Cookies verwenden und wie Sie die in Firefox gespeicherten Cookies verwalten. </p> <div id="toc"><h2>Inhaltsverzeichnis</h2><ul><li class="toclevel-1"><a href="#w_was-ist-ein-cookie"><span class="tocnumber">1</span> <span class="toctext">Was ist ein Cookie?</span></a></li><li class="toclevel-1"><a href="#w_cookie-einstellungen"><span class="tocnumber">2</span> <span class="toctext">Cookie-Einstellungen</span></a></li><li class="toclevel-1"><a href="#w_fehler-rund-um-cookies-beheben"><span class="tocnumber">3</span> <span class="toctext">Fehler rund um Cookies beheben</span></a></li></ul></div> <h1 id="w_was-ist-ein-cookie">Was ist ein Cookie?</h1> <p><a href="http://de.wikipedia.org/wiki/HTTP-Cookie">Cookies</a> sind Daten, die von einer Website, die Sie besuchen, auf Ihrem Computer gespeichert werden. In einigen Browsern hat jedes Cookie eine eigene Datei, in Firefox werden jedoch alle Cookies in einer einzigen Datei gespeichert, die in Ihrem <a href="/de/kb/benutzerprofile-mit-ihren-persoenlichen-daten">Benutzerprofil</a> enthalten ist. </p><p>Cookies speichern Informationen wie z. B. Ihren Anmeldestatus, Ihre bevorzugte Sprache oder Ihren Standort. Wenn Sie später diese Website erneut besuchen, übermittelt Firefox die gespeicherten Cookie-Informationen an die Website zurück. Dadurch bleiben Sie auf der Website angemeldet und die Website kann Ihnen individuelle und für Sie passende Informationen anzeigen. </p><p>Cookies können eine Vielzahl von Informationen beinhalten, die den Besucher persönlich identifizierbar machen (wie Ihren Namen, Ihre Adresse, Ihre E-Mail-Adresse oder Telefonnummer). Eine Website hat jedoch nur Zugang zu persönlichen Daten, die Sie selbst bereitstellen. So kann eine Website beispielsweise nicht ohne Ihr Zutun Ihre E-Mail-Adresse ermitteln. Eine Website kann auch nicht auf andere Dateien auf Ihrem Computer zugreifen. </p><p>Bei Verwendung der Standardeinstellungen für Cookies laufen diese Aktivitäten für Sie unbemerkt ab und Sie werden nicht erfahren, wenn eine Website ein Cookie speichert oder wenn Firefox Cookie-Informationen an eine Website übermittelt. Sie können Firefox aber so konfigurieren, dass das Speichern eines Cookies zuvor von Ihnen genehmigt werden muss bzw. abgelehnt werden kann oder die Lebenszeit von Cookies auf die aktuelle Firefox-Sitzung beschränkt wird. </p> <h1 id="w_cookie-einstellungen">Cookie-Einstellungen</h1> <p>In Ihren Firefox-Einstellungen können Sie die Cookies verwalten: </p> <ol><li><span class="for" data-for="win,linux">Klicken Sie auf die Menüschaltfläche <img alt="menu button de fx89" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2021-04-30-13-35-29-c0766c.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" width="15"> und wählen Sie <span class="menu">Einstellungen</span>.</span><span class="for" data-for="mac">Klicken Sie in der Menüleiste am oberen Bildschirmrand auf <span class="menu">Firefox</span> und wählen Sie dann <span class="menu">Einstellungen</span>.</span> </li><li>Wählen Sie den Abschnitt <span class="menu">Datenschutz & Sicherheit</span>. Die Cookie-Einstellungen finden Sie in den Absätzen <a href="/de/kb/verbesserter-schutz-aktivitatenverfolgung-desktop">Verbesserter Schutz vor Aktivitätenverfolgung</a> und <strong>Cookies und Website-Daten</strong>. </li></ol> <p>Anleitungen zur Verwaltung von Cookies finden Sie in diesen Artikeln: </p> <ul><li><a href="/de/kb/cookies-und-website-daten-in-firefox-loschen">Cookies und Website-Daten in Firefox löschen</a>: Wie Sie Cookies entfernen, die bereits von Websites gespeichert wurden. </li><li><a href="/de/kb/Cookies-blockieren">Cookies blockieren</a>: Wie Sie bestimmte Websites daran hindern, Cookies zu speichern. </li><li><a href="/de/kb/drittanbieter-cookies-schutz-aktivitatenverfolgung">Drittanbieter-Cookies und Schutz vor Aktivitätenverfolgung in Firefox</a>: Wie Sie das Speichern von Cookies ablehnen, die von anderen Websites kommen als derjenigen, die Sie gerade besuchen. </li></ul> <h1 id="w_fehler-rund-um-cookies-beheben">Fehler rund um Cookies beheben</h1> <p>Wenn Sie Probleme mit Firefox bemerken, die mit Cookies zusammenhängen, lesen Sie bitte die Artikel </p> <ul><li><a href="/de/kb/websites-melden-cookies-werden-blockiert">Websites melden, dass Cookies blockiert werden – so beheben Sie das Problem</a> und </li><li><a href="/de/kb/Anmelden-bei-Websites-nicht-moeglich">Anmelden bei Websites nicht möglich</a>. </li></ul> </section> <p class="share-link"> <br/> Diesen Artikel teilen: <a href="http://mzl.la/1BAQyo7">http://mzl.la/1BAQyo7</a> </p> </article> <section class="sumo-page-section hide-on-large"> <div class="document-vote elevation-01 text-center"> <form class="document-vote--form helpful" action="/de/kb/cookies-informationen-websites-auf-ihrem-computer/vote" method="post"> <input type='hidden' name='csrfmiddlewaretoken' value='F0lJrtPDey9qqrt95bCFQbxCDQPYf1708LQOxKM26NBwh7jUnuaG5M241yNN9UsL' /> <h4 class="document-vote--heading">War der Artikel hilfreich?</h4> <div class="document-vote--buttons"> <input type="hidden" name="revision_id" value="235781" /> <input type="hidden" name="source" value="footer" /> <button type="submit" class="btn helpful-button" name="helpful"><span class="hidden-text">Ja</span>👍</button> <button type="submit" class="btn not-helpful-button" name="not-helpful"><span class="hidden-text">Nein</span>👎</button> <img class="wait" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/spinner.18d6c26adc937688.gif" alt="Bitte warten…" /> </div> </form> </div> </section> <section id="doc-contributors" class="document--contributors sumo-page-section"> <p class="help-title text-body-md">Diese netten Menschen haben geholfen, diesen Artikel zu schreiben:</p> <div class="document--contributors-list text-body-xs"><a class="user secondary-color" rel="nofollow" href="/de/user/ThomasLendo/">Thomas</a>, <a class="user secondary-color" rel="nofollow" href="/de/user/user47661/">user47661</a>, <a class="user secondary-color" rel="nofollow" href="/de/user/pollti/">pollti</a>, <a class="user secondary-color" rel="nofollow" href="/de/user/Artist/">Artist</a>, <a class="user secondary-color" rel="nofollow" href="/de/user/graba/">graba</a></div> </section> <section class="sumo-page-section"> <div class="card card--callout is-full-width has-moz-headings"> <div class="card--callout-wrap-narrow"> <img class="card--feature-img" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/volunteer.a3be8d331849774b.png" alt="Illustration of hands" /> <div class="card--details"> <h3 class="card--title">Mitmachen</h3> <p class="card--desc">Vergrößern und teilen Sie Ihr Fachwissen mit anderen. 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>Frysk</option> <option value="ga-IE" >Gaeilge (Éire)</option> <option value="gl" >Galego</option> <option value="gn" >Avañe'ẽ</option> <option value="gu-IN" >ગુજરાતી</option> <option value="ha" >هَرْشَن هَوْسَ</option> <option value="he" >עברית</option> <option value="hi-IN" >हिन्दी (भारत)</option> <option value="hr" >Hrvatski</option> <option value="hu" >Magyar</option> <option value="dsb" >Dolnoserbšćina</option> <option value="hsb" >Hornjoserbsce</option> <option value="id" >Bahasa Indonesia</option> <option value="ig" >Asụsụ Igbo</option> <option value="it" >Italiano</option> <option value="ja" >日本語</option> <option value="ka" >ქართული</option> <option value="km" >ខ្មែរ</option> <option value="kn" >ಕನ್ನಡ</option> <option value="ko" >한국어</option> <option value="ln" >Lingála</option> <option value="lt" >lietuvių kalba</option> <option value="mg" >Malagasy</option> <option value="mk" >Македонски</option> <option value="ml" >മലയാളം</option> <option value="ms" >Bahasa Melayu</option> 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