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Block websites from storing cookies and site data in Firefox | Firefox -tuki

<!DOCTYPE html> <html class="no-js" lang="fi" dir="ltr" data-gtm-container-id="G-2VC139B3XV" data-ga-content-group="kb-article" data-ga-default-slug="block-websites-storing-cookies-site-data-firefox" data-ga-article-locale="en-US" data-ga-topics="/tracking-protection/" data-ga-products="/firefox/" > <head> <!-- Read more about our custom configuration and use of Google Analytics here: https://bugzilla.mozilla.org/show_bug.cgi?id=1122305#c8 --> <!-- Google Tag Manager --> <script src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/gtm-snippet.1c0037a49b66fb06.js" nonce="63TNA4o3HvamNFagl5IY2g=="></script> <!-- End Google Tag Manager --> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title> Block websites from storing cookies and site data in Firefox | Firefox -tuki </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" href="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/favicon-16x16.352a0a2cef154dda.png"> <link rel="manifest" href="/manifest.json"> <link rel="shortcut icon" href="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/favicon.03d97697df808c0e.ico"> <meta name="theme-color" content="#ffffff"> <link rel="search" type="application/opensearchdescription+xml" title="Mozilla-tuki" href="/fi/search/xml"/> <link href="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/screen.7c7f344f96f6c2a7.css" rel="stylesheet" nonce="63TNA4o3HvamNFagl5IY2g=="> <script defer="defer" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/620.c017de8a3c1e20cf.js" nonce="63TNA4o3HvamNFagl5IY2g=="></script><script defer="defer" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/common.a856f1c1afbd9b67.js" nonce="63TNA4o3HvamNFagl5IY2g=="></script> <script defer="defer" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/566.de80f82c1815ff6e.js" nonce="63TNA4o3HvamNFagl5IY2g=="></script><script defer="defer" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/467.e805b3b5a73440ca.js" nonce="63TNA4o3HvamNFagl5IY2g=="></script><script defer="defer" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/document.58bdb8f917cf5fd3.js" nonce="63TNA4o3HvamNFagl5IY2g=="></script> <script defer="defer" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/common.fx.download.6e0d6173cf4fde5d.js" nonce="63TNA4o3HvamNFagl5IY2g=="></script> <meta name="description" content="Cookies and site data are stored on your computer by websites you visit. Learn how to block websites from storing this data in Firefox."/> <meta name="google-site-verification" content="2URA-2Y9BeYYUf8B2BSsBSVetJJS3TZwlXBOaMx2VfY" /> <meta name="google-site-verification" content="ueNbCgS4e1JIAgLGwufm-jHaIcLXFLtFMmR_65S1Ag0" /> <meta name="msvalidate.01" content="1659173DC94819093068B0ED7C51C527" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <link rel="canonical" href="https://support.mozilla.org/en-US/kb/block-websites-storing-cookies-site-data-firefox" /> </head> <body class="html-ltr logged-out responsive document fi" data-readonly="false" data-usernames-api="/fi/users/api/usernames" data-messages-api="/fi/messages/api/autocomplete" data-media-url="https://assets-prod.sumo.prod.webservices.mozgcp.net/" data-ga-alternate-url="/fi/kb/block-websites-storing-cookies-site-data-firefox" data-document-id="704" > <ul class="sumo-nav-access" id="nav-access"> <li><a href="#main-content">Siirry pääsisältöön</a></li> <li><a href="/fi/locales">Vaihda kieli</a></li> <li><a id="skip-to-search" href="#search-q">Siirry hakuun</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="/fi/"><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="/fi/questions/" aria-haspopup="true" aria-controls="mzp-c-menu-panel-help">Selaa ohjeartikkeleita</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">Sulje Firefox-valikko</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">Explore by product</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/fi/products/firefox" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.firefox-browser.product-home", "link_detail": "firefox" }'> Firefox desktop </a> </li> <li> <a href="/fi/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="/fi/products/ios" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.firefox-for-ios.product-home", "link_detail": "ios" }'> Firefox iOS:lle </a> </li> <li> <a href="/fi/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="/fi/products/mobile" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.firefox-for-android.product-home", "link_detail": "mobile" }'> Firefox Androidille </a> </li> <li> <a class="color-link" href="/fi/products/" data-event-name="link_click" data-event-parameters='{"link_name": "main-menu.browse-all-articles.list-products"}'> View all products </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">Explore by topic</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/fi/topics/settings" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "settings" }'> Asetukset </a> </li> <li> <a href="/fi/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="/fi/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="/fi/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="/fi/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="/fi/topics/browse" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.topic-home", "link_detail": "browse" }'> Browse </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">Community Forums</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">Sulje Firefox-valikko</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">Browse by product</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/fi/questions/firefox" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "desktop" }'> Firefox desktop </a> </li> <li> <a href="/fi/questions/focus-firefox" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "focus" }'> Firefox Focus </a> </li> <li> <a href="/fi/questions/ios" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "ios" }'> Firefox iOS:lle </a> </li> <li> <a href="/fi/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="/fi/questions/mobile" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "mobile" }'> Firefox Androidille </a> </li> <li> <a class="color-link" href="/fi/questions/" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "view-all-home" }'> View all forums </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">Browse all forum threads by topic</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist"> <li> <a href="/fi/questions/topic/settings" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "settings" }'> Asetukset </a> </li> <li> <a href="/fi/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="/fi/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="/fi/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="/fi/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="/fi/questions/topic/browse" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.support-forum-home", "link_detail": "browse" }'> Browse </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="/fi/questions/" aria-haspopup="true" aria-controls="mzp-c-menu-panel-help">Esitä kysymys</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">Sulje Firefox-valikko </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">Get help with</h4> </div> <ul class="mzp-c-menu-item-list sumo-nav--sublist-aaq"> <li> <a href="/fi/questions/new/desktop" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "desktop" }'> Firefox desktop </a> </li> <li> <a href="/fi/questions/new/firefox-enterprise" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "firefox-enterprise" }'> Firefox yrityksille </a> </li> <li> <a href="/fi/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="/fi/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="/fi/questions/new/ios" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "ios" }'> Firefox iOS:lle </a> </li> <li> <a href="/fi/questions/new/focus" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "focus" }'> Firefox Focus </a> </li> <li> <a href="/fi/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="/fi/questions/new/mozilla-account" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "mozilla-account" }'> Mozilla-tili </a> </li> <li> <a href="/fi/questions/new/mobile" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-2", "link_detail": "mobile" }'> Firefox Androidille </a> </li> <li> <a href="/fi/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="/fi/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="/fi/questions/new" data-event-name="link_click" data-event-parameters='{ "link_name": "main-menu.aaq-step-1", "link_detail": "view-all" }'> View all </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="/fi/contribute" data-event-name="link_click" data-event-parameters='{"link_name": "main-menu.contribute.contribute-home"}'> Contribute </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="/fi/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="Search questions, articles, or topics (example: saving passwords in Firefox)" class="searchbox" id="search-q" /> <button type="submit" title="Etsi" class="search-button">Etsi</button> </form> </li> <li class="mzp-c-menu-category logged-out-button-row "> <a rel="nofollow" href="/fi/users/auth" class="sumo-button secondary-button button-lg" data-event-name="link_click" data-event-parameters='{"link_name": "main-menu.sign-in-up"}'> Kirjaudu tai rekisteröidy </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="/fi/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="Search questions, articles, or topics (example: saving passwords in Firefox)" class="searchbox" id="search-q" /> <button type="submit" title="Etsi" class="search-button">Etsi</button> </form> </nav> </div> </div> </div> </div> </header><!--/.mzp-c-navigation --> <!-- This is only displayed when the instant search is active. This block is overriden in home.html and product.html, and can likely be removed when frontend search is replaced. --> <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">Etsi tuesta</h4> <form data-instant-search="form" id="hidden-search" action="/fi/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="Search questions, articles, or topics (example: saving passwords in Firefox)" class="searchbox" id="search-q" /> <button type="submit" title="Etsi" class="search-button">Etsi</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="/fi/">Koti</a></li> <li><a href="/fi/products/firefox">Firefox</a></li> <li><a href="/fi/products/firefox/privacy-and-security/tracking-protection">Tracking protection</a></li> <li>Block websites from storing cookies...</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="/fi/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="Search questions, articles, or topics (example: saving passwords in Firefox)" class="searchbox" id="search-q" /> <button type="submit" title="Etsi" class="search-button">Etsi</button> </form> </div> <div class="aaq-widget card is-inverse elevation-01 text-center radius-md"> <h2 class="card--title has-bottom-margin"> <svg class="card--icon-sm" width="24px" height="24px" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"> <g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"> <g transform="translate(2.000000, 1.878680)" stroke="#FFFFFF" stroke-width="2"> <path d="M9,1.12132031 L2,1.12132031 C0.8954305,1.12132031 5.32907052e-15,2.01675081 5.32907052e-15,3.12132031 L5.32907052e-15,15.1213203 C5.32907052e-15,16.2258898 0.8954305,17.1213203 2,17.1213203 L11,17.1213203 L13,21.1213203 L15,17.1213203 L17,17.1213203 C18.1045695,17.1213203 19,16.2258898 19,15.1213203 L19,9.12132031"></path> <path d="M15.5,0.621320312 C16.3284271,-0.207106783 17.6715729,-0.207106769 18.5,0.621320344 C19.3284271,1.44974746 19.3284271,2.79289318 18.5,3.62132031 L11,11.1213203 L7,12.1213203 L8,8.12132031 L15.5,0.621320312 Z"></path> </g> </g> </svg> Esitä kysymys </h2> <p>Still need help? Continue to ask your question and get help.</p> <a class="sumo-button primary-button feature-box" href="/fi/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" }'> Jatka </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 135", "slug": "fx135", "product": "firefox", "default": false, "min_version": 135.0, "max_version": 136.0, "visible": true}, {"name": "Version 134", "slug": "fx134", "product": "firefox", "default": false, "min_version": 134.0, "max_version": 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121.0, "visible": true}, {"name": "Version 119", "slug": "fx119", "product": "firefox", "default": false, "min_version": 119.0, "max_version": 120.0, "visible": true}, {"name": "Version 118", "slug": "fx118", "product": "firefox", "default": false, "min_version": 118.0, "max_version": 119.0, "visible": true}, {"name": "Version 117", "slug": "fx117", "product": "firefox", "default": false, "min_version": 117.0, "max_version": 118.0, "visible": true}, {"name": "Version 116", "slug": "fx116", "product": "firefox", "default": false, "min_version": 116.0, "max_version": 117.0, "visible": true}, {"name": "Version 115", "slug": "fx115", "product": "firefox", "default": false, "min_version": 115.0, "max_version": 116.0, "visible": true}, {"name": "Version 114", "slug": "fx114", "product": "firefox", "default": false, "min_version": 114.0, "max_version": 115.0, "visible": false}, {"name": "Version 113", "slug": "fx113", "product": "firefox", "default": false, "min_version": 113.0, "max_version": 114.0, "visible": false}, {"name": "Version 112", "slug": "fx112", "product": "firefox", "default": false, "min_version": 112.0, "max_version": 113.0, "visible": false}, {"name": "Version 111", "slug": "fx111", "product": "firefox", "default": false, "min_version": 111.0, "max_version": 112.0, "visible": false}, {"name": "Version 110", "slug": "fx110", "product": "firefox", "default": false, "min_version": 110.0, "max_version": 111.0, "visible": false}, {"name": "Version 109", "slug": "fx109", "product": "firefox", "default": false, "min_version": 109.0, "max_version": 110.0, "visible": false}, {"name": "Version 108", "slug": "fx108", "product": "firefox", "default": false, "min_version": 108.0, "max_version": 109.0, "visible": false}, {"name": "Version 107", "slug": "fx107", "product": "firefox", "default": false, "min_version": 107.0, "max_version": 108.0, "visible": false}, {"name": "Version 106", "slug": "fx106", "product": "firefox", "default": false, "min_version": 106.0, "max_version": 107.0, "visible": false}, {"name": "Version 105", "slug": "fx105", "product": "firefox", "default": false, "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": 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"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">Muokkaa tätä artikkelia</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:fx135" data-min="135.0" data-max="136.0" > Version 135 </option> <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" selected> Version 133 </option> <option value="version:fx132" data-min="132.0" data-max="133.0" > 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="/fi/kb/block-websites-storing-cookies-site-data-firefox/vote" method="post"> <input type='hidden' name='csrfmiddlewaretoken' value='C7V41QbpwTi6CohqCdhZaEW4UJsYhhA969xd1aV0NzG3U3wg1wIIpJgw3BWz8BgJ' /> <h4 class="document-vote--heading">Oliko tästä artikkelista apua?</h4> <div class="document-vote--buttons"> <input type="hidden" name="revision_id" value="263522" /> <input type="hidden" name="source" value="footer" /> <button type="submit" class="btn helpful-button" name="helpful"><span class="hidden-text">Kyllä</span>👍</button> <button type="submit" class="btn not-helpful-button" name="not-helpful"><span class="hidden-text">Ei</span>👎</button> <img class="wait" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/spinner.18d6c26adc937688.gif" alt="Odota hetki..." /> </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="/fi/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&amp;utm_medium=referral&amp;utm_campaign=non-fx-button&amp;utm_content=body-download-button" class="download-button sumo-button primary-button button-lg"> Lataa Firefox </a> <ul class="download-info text-body-xs"> <li><a href="https://www.mozilla.org/firefox/all/">Järjestelmät ja kielet</a></li> <li><a href="https://www.mozilla.org/firefox/notes">Uutta</a></li> <li><a href="https://www.mozilla.org/legal/privacy/firefox">Tietosuoja</a></li> </ul> </div> </div> </div> </div> <h1 class="sumo-page-heading">Block websites from storing cookies and site data in Firefox</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>Viimeksi päivitetty:</strong> <span class="time"> <time datetime="2023-07-18T05:35:02-07:00">18.7.2023</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">59%</span> of users voted this helpful </span> </div> <section id="doc-content" class="document--content "> <div id="doc-pending-fallback" class="mzp-c-notification-bar mzp-t-warning"> <button class="mzp-c-notification-bar-button" type="button"></button> <div id="no-translation"> Kukaan ei ole vielä auttanut kääntämään tätä artikkelia. Jos tiedät jo, miten SUMOssa lokalisoidaan, voit <a href="/fi/kb/block-websites-storing-cookies-site-data-firefox/translate">aloittaa kääntämisen nyt</a>. Jos haluat oppia, miten SUMO-artikkeleita käännetään, <a href="/fi/kb/localize-firefox-help">aloita tästä</a>. </div> </div> <p>Websites you visit store <a href="/en-US/kb/cookies-information-websites-store-on-your-computer">cookies</a> and other site data on your computer. The stored data contains information such as site preferences and login status. This article describes how to block websites from storing this data in Firefox. </p> <ul><li>See <a href="/en-US/kb/where-are-my-logins-stored">Where are my logins stored?</a> to learn more about website logins. </li></ul> <div id="toc"><h2>Table of Contents</h2><ul><li class="toclevel-1"><a href="#w_block-cookies-or-persistent-storage-for-a-single-website"><span class="tocnumber">1</span> <span class="toctext">Block cookies or persistent storage for a single website</span></a></li><li class="toclevel-1"><a href="#w_block-cookies-and-site-data-for-more-than-one-website"><span class="tocnumber">2</span> <span class="toctext">Block cookies and site data for more than one website</span></a></li><li class="toclevel-1"><a href="#w_viewing-a-list-of-blocked-sites"><span class="tocnumber">3</span> <span class="toctext">Viewing a list of blocked sites</span></a></li><li class="toclevel-1"><a href="#w_block-cookies-for-all-sites"><span class="tocnumber">4</span> <span class="toctext">Block cookies for all sites</span></a></li><li class="toclevel-1"><a href="#w_related-articles"><span class="tocnumber">5</span> <span class="toctext">Related articles</span></a></li></ul></div> <h1 id="w_block-cookies-or-persistent-storage-for-a-single-website">Block cookies or persistent storage for a single website</h1> <p>You can use the <a href="/en-US/kb/firefox-page-info-window">Page Info window</a> to set Firefox to block cookies or stored data from one website: </p> <ol><li>Go to the website you wish to block from setting cookies or storing site data in Firefox. </li><li><span class="for" data-for="win,linux">If the <a href="/en-US/kb/restore-menu-bar-firefox">Menu bar is enabled</a>,</span><span class="for" data-for="mac">In the Menu bar,</span> click <span class="menu">Tools</span> and select <span class="menu">Page Info</span> from the drop-down menu.<span class="for" data-for="win,linux"><br>Alternatively, click the padlock <img alt="Fx89Padlock" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2021-05-06-04-33-33-7bdc86.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> to the left of the web page address, click the right arrow <strong>&gt;</strong> in the <a href="/en-US/kb/site-information-panel">Site Information</a> drop-down panel and then click the <span class="button">More Information</span> button in the next panel.</span> </li><li>In the <em>Page Info</em> window, select the <span class="menu">Permissions</span> panel. </li><li>Underneath <strong>Set Cookies</strong> or underneath <strong>Store Data in Persistent Storage</strong>, remove the check mark from <strong>Use Default</strong>. </li><li>Change the setting to <strong>Block</strong>. <dl><dt><img alt="Fx78PageInfo-BlockCookiesSiteData" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2021-10-30-13-38-03-4389e9.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> </dt></dl> </li><li>Close the <em>Page Info</em> window. </li></ol> <p>You will need to remove any cookies or site data that the website has already set in Firefox. For instructions, see <a href="/en-US/kb/clear-cookies-and-site-data-firefox">Clear cookies and site data in Firefox</a>. </p> <h1 id="w_block-cookies-and-site-data-for-more-than-one-website">Block cookies and site data for more than one website</h1> <p>If you have more than one website you want to block, using the <a href="/en-US/kb/firefox-page-info-window">Page Info window</a> for each site can be time-consuming. You can block individual websites from setting cookies and storing site data, as follows: </p> <ol><li><span class="for" data-for="mac">In the Menu bar at the top of the screen, click <span class="menu">Firefox</span> and then select <span class="menu">Preferences</span> or <span class="menu">Settings</span>, depending on your macOS version.</span><span class="for" data-for="win,linux">Click the menu button <img alt="Fx89menuButton" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2021-05-15-11-18-38-e5b736.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> and select <span class="menu">Settings</span>.</span> </li><li>Select the <span class="menu">Privacy &amp; Security</span> panel and go to the <em>Cookies and Site Data</em> section. <dl><dt><img alt="Fx79CookiesAndSiteData" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2021-04-05-16-05-52-24d89c.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> </dt></dl> </li><li>Click <span class="button">Manage Exceptions…</span>. The <em>Exceptions - Cookies and Site Data</em> dialog box will open. <dl><dt><img alt="Fx115CookiesAndSiteData-ManageExceptions" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2023-07-18-03-31-41-d0224d.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> </dt></dl> </li><li>Type in the exact address of the site you want to block. </li><li>Click <span class="button">Block</span>. </li><li>Click <span class="button">Save Changes</span> to finish. </li></ol> <p>To remove cookies that were stored previously, see <a href="/en-US/kb/clear-cookies-and-site-data-firefox">Clear cookies and site data in Firefox</a>. </p> <h1 id="w_viewing-a-list-of-blocked-sites">Viewing a list of blocked sites</h1> <p>To see a list of sites that you have blocked from setting cookies and storing site data: </p> <ol><li><span class="for" data-for="mac">In the Menu bar at the top of the screen, click <span class="menu">Firefox</span> and then select <span class="menu">Preferences</span> or <span class="menu">Settings</span>, depending on your macOS version.</span><span class="for" data-for="win,linux">Click the menu button <img alt="Fx89menuButton" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2021-05-15-11-18-38-e5b736.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> and select <span class="menu">Settings</span>.</span> </li><li>Select the <span class="menu">Privacy &amp; Security</span> panel and go to the <strong>Cookies and Site Data</strong> section. </li><li>Click <span class="button">Manage Exceptions…</span> </li></ol> <p>The <em>Exceptions - Cookies and Site Data</em> dialog box that opens will show you which sites you have blocked from storing cookies. </p> <h1 id="w_block-cookies-for-all-sites">Block cookies for all sites</h1> <p>To set Firefox to block cookies from all websites: </p> <ol><li><span class="for" data-for="mac">In the Menu bar at the top of the screen, click <span class="menu">Firefox</span> and then select <span class="menu">Preferences</span> or <span class="menu">Settings</span>, depending on your macOS version.</span><span class="for" data-for="win,linux">Click the menu button <img alt="Fx89menuButton" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2021-05-15-11-18-38-e5b736.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> and select <span class="menu">Settings</span>.</span> </li><li>Select the <span class="menu">Privacy &amp; Security</span> panel. </li><li>In the <a href="/en-US/kb/enhanced-tracking-protection-firefox-desktop">Enhanced Tracking Protection</a> section, select <strong>Custom</strong> and check mark <strong>Cookies</strong>. <dl><dt><span class="for" data-for="not fx111"><img alt="Fx102settings-ETPcustomCookies" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2022-07-10-03-43-45-e67034.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""></span><span class="for" data-for="fx111"><img alt="Fx111settings-ETPcustom" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2023-03-18-12-14-24-e725a5.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""></span> </dt></dl> </li><li>Use the drop-down menu to choose the type of cookies to block. <strong>Warning!</strong> Some sites will not work properly with all cookies blocked. </li><li>Close the <span class="menu">Settings</span> page. Any changes you've made will automatically be saved. </li></ol> <h1 id="w_related-articles">Related articles</h1> <ul><li><a href="/en-US/kb/websites-say-cookies-are-blocked-unblock-them">Websites say cookies are blocked - Unblock them</a> </li><li><a href="/en-US/kb/third-party-cookies-firefox-tracking-protection">Third-party cookies and Firefox tracking protection</a> </li><li><a href="/en-US/kb/clear-cookies-and-site-data-firefox">Clear cookies and site data in Firefox</a> </li></ul> </section> <p class="share-link"> <br/> Jaa tämä artikkeli: <a href="https://mzl.la/3bJmkNp">https://mzl.la/3bJmkNp</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="/fi/kb/block-websites-storing-cookies-site-data-firefox/vote" method="post"> <input type='hidden' name='csrfmiddlewaretoken' value='C7V41QbpwTi6CohqCdhZaEW4UJsYhhA969xd1aV0NzG3U3wg1wIIpJgw3BWz8BgJ' /> <h4 class="document-vote--heading">Oliko tästä artikkelista apua?</h4> <div class="document-vote--buttons"> <input type="hidden" name="revision_id" value="263522" /> <input type="hidden" name="source" value="footer" /> <button type="submit" class="btn helpful-button" name="helpful"><span class="hidden-text">Kyllä</span>👍</button> <button type="submit" class="btn not-helpful-button" name="not-helpful"><span class="hidden-text">Ei</span>👎</button> <img class="wait" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/spinner.18d6c26adc937688.gif" alt="Odota hetki..." /> </div> </form> </div> </section> <section id="doc-contributors" class="document--contributors sumo-page-section"> <p class="help-title text-body-md">Seuraavat hienot ihmiset auttoivat kirjoittamaan tämän artikkelin:</p> <div class="document--contributors-list text-body-xs"><a class="user secondary-color" rel="nofollow" href="/fi/user/AliceWyman/">AliceWyman</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/Chris_Ilias/">Chris Ilias</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/novica/">novica</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/Tonnes/">Tonnes</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/michro/">Michele Rodaro</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/Verdi/">Michael Verdi</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/scoobidiver/">scoobidiver</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/Swarnava/">Swarnava Sengupta</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/soucet/">soucet</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/Mozinet/">Mozinet</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/scootergrisen/">scootergrisen</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/heyjoni/">Joni</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/Artist/">Artist</a>, <a class="user secondary-color" rel="nofollow" href="/fi/user/mailaddresscv/">display_name</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">Ilmoittaudu</h3> <p class="card--desc">Kasvata ja jaa asiantuntemustasi muiden kanssa. 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