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Configure DNS over HTTPS protection levels in Firefox | Firefox Help
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"link_name": "main-menu.aaq-step-2", "link_detail": "monitor" }"> Monitor </a></li> <li><a href="https://support-mozilla-org.translate.goog/en-US/questions/new/mozilla-account?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" data-event-name="link_click" data-event-parameters="{ "link_name": "main-menu.aaq-step-2", "link_detail": "mozilla-account" }"> Mozilla Account </a></li> <li><a href="https://support-mozilla-org.translate.goog/en-US/questions/new/mobile?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" data-event-name="link_click" data-event-parameters="{ "link_name": "main-menu.aaq-step-2", "link_detail": "mobile" }"> Firefox for Android </a></li> <li><a href="https://support-mozilla-org.translate.goog/en-US/questions/new/firefox-private-network-vpn?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" 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="https://support-mozilla-org.translate.goog/en-US/questions/new/pocket?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" 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="https://support-mozilla-org.translate.goog/en-US/questions/new?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" 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="https://support-mozilla-org.translate.goog/en-US/contribute?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" 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" 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In/Up </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="/en-US/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="Search" class="search-button">Search</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">Search Support</h4> <form data-instant-search="form" id="hidden-search" action="/en-US/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="Search" class="search-button">Search</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="https://support-mozilla-org.translate.goog/en-US/?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">Home</a></li> <li><a href="https://support-mozilla-org.translate.goog/en-US/products/firefox?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">Firefox</a></li> <li><a href="https://support-mozilla-org.translate.goog/en-US/products/firefox/privacy-and-security?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">Privacy and security</a></li> <li>Configure DNS over HTTPS protection...</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="/en-US/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="Search" class="search-button">Search</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 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" /> </g> </g> </svg> Ask a Question</h2> <p>Still need help? Continue to ask your question and get help.</p><a class="sumo-button primary-button feature-box" href="https://support-mozilla-org.translate.goog/en-US/kb/get-community-support?exit_aaq=1&_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" data-event-name="link_click" data-event-parameters="{ "link_name": "aaq-widget.community-support.kb-article", "link_detail": "None" }"> Continue </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, "max_version": 127.0, "visible": true}, {"name": "Version 125", "slug": "fx125", "product": "firefox", "default": false, "min_version": 125.0, "max_version": 126.0, "visible": true}, {"name": "Version 124", "slug": "fx124", "product": "firefox", "default": false, "min_version": 124.0, "max_version": 125.0, "visible": true}, {"name": "Version 123", "slug": "fx123", "product": "firefox", "default": false, "min_version": 123.0, "max_version": 124.0, "visible": true}, {"name": "Version 122", "slug": "fx122", "product": "firefox", "default": false, "min_version": 122.0, "max_version": 123.0, "visible": true}, {"name": "Version 121", "slug": "fx121", "product": "firefox", "default": false, "min_version": 121.0, "max_version": 122.0, "visible": true}, {"name": "Version 120", "slug": "fx120", "product": "firefox", "default": false, "min_version": 120.0, "max_version": 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": 92.0, "max_version": 93.0, "visible": false}, {"name": "Version 91", "slug": "fx91", "product": "firefox", "default": false, "min_version": 91.0, "max_version": 92.0, "visible": false}, {"name": "Version 90", "slug": "fx90", "product": "firefox", "default": false, "min_version": 90.0, "max_version": 91.0, "visible": false}, {"name": "Version 89", "slug": "fx89", "product": "firefox", "default": false, "min_version": 89.0, "max_version": 90.0, "visible": false}, {"name": "Version 88", "slug": "fx88", "product": "firefox", "default": false, "min_version": 88.0, "max_version": 89.0, "visible": false}, {"name": "Version 87", "slug": "fx87", "product": "firefox", "default": false, "min_version": 87.0, "max_version": 88.0, "visible": false}, {"name": "Version 86", "slug": "fx86", "product": "firefox", "default": false, "min_version": 86.0, "max_version": 87.0, "visible": false}, {"name": "Version 85", "slug": "fx85", "product": "firefox", "default": false, "min_version": 85.0, "max_version": 86.0, "visible": false}, {"name": "Version 84", "slug": "fx84", "product": "firefox", "default": false, "min_version": 84.0, "max_version": 85.0, "visible": false}, {"name": "Version 83", "slug": "fx83", "product": "firefox", "default": false, "min_version": 83.0, "max_version": 84.0, "visible": false}, {"name": "Version 82", "slug": "fx82", "product": "firefox", "default": false, "min_version": 82.0, "max_version": 83.0, "visible": false}, {"name": "Version 81", "slug": "fx81", "product": "firefox", "default": false, "min_version": 81.0, "max_version": 82.0, "visible": false}, {"name": "Version 80", "slug": "fx80", "product": "firefox", "default": false, "min_version": 80.0, "max_version": 81.0, "visible": false}, {"name": "Version 79", "slug": "fx79", "product": "firefox", "default": false, "min_version": 79.0, "max_version": 80.0, "visible": false}, {"name": "Version 78", "slug": "fx78", "product": "firefox", "default": false, "min_version": 78.0, "max_version": 79.0, "visible": false}, {"name": "Version 77", "slug": "fx77", "product": "firefox", "default": false, "min_version": 77.0, "max_version": 78.0, "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}, {"name": "Version 69", "slug": "fx69", "product": "firefox", "default": false, "min_version": 69.0, "max_version": 70.0, "visible": false}, {"name": "Version 68", "slug": "fx68", "product": "firefox", "default": false, "min_version": 68.0, "max_version": 69.0, "visible": false}, {"name": "Version 67", "slug": "fx67", "product": "firefox", "default": false, "min_version": 67.0, "max_version": 68.0, "visible": false}, {"name": "Version 66", "slug": "fx66", "product": "firefox", "default": false, "min_version": 66.0, "max_version": 67.0, "visible": false}, {"name": "Version 65", "slug": "fx65", "product": "firefox", "default": false, "min_version": 65.0, "max_version": 66.0, "visible": false}, {"name": "Version 64", "slug": "fx64", "product": "firefox", "default": false, "min_version": 64.0, "max_version": 65.0, "visible": false}, {"name": "Version 63", "slug": "fx63", "product": "firefox", "default": false, "min_version": 63.0, "max_version": 64.0, "visible": false}, {"name": "Version 62", "slug": "fx62", "product": "firefox", "default": false, "min_version": 62.0, "max_version": 63.0, "visible": false}, {"name": "Version 61", "slug": "fx61", "product": "firefox", "default": false, "min_version": 61.0, "max_version": 62.0, "visible": false}, {"name": "Version 60", "slug": "fx60", "product": "firefox", "default": false, "min_version": 60.0, "max_version": 61.0, "visible": false}, {"name": "Version 59", "slug": "fx59", "product": "firefox", "default": false, "min_version": 59.0, "max_version": 60.0, "visible": false}, {"name": "Version 58", "slug": "fx58", "product": "firefox", "default": false, "min_version": 58.0, "max_version": 59.0, "visible": false}, {"name": "Version 57", "slug": "fx57", "product": "firefox", "default": false, "min_version": 57.0, "max_version": 58.0, "visible": false}, {"name": "Version 56", "slug": "fx56", "product": "firefox", "default": false, "min_version": 56.0, 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"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", 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"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">Customize this article</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 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article helpful?</h4> <div class="document-vote--buttons"><input type="hidden" name="revision_id" value="281781"> <input type="hidden" name="source" value="footer"> <button type="submit" class="btn helpful-button" name="helpful"><span class="hidden-text">Yes</span>👍</button> <button type="submit" class="btn not-helpful-button" name="not-helpful"><span class="hidden-text">No</span>👎</button> <img class="wait" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/spinner.18d6c26adc937688.gif" alt="Please wait..."> </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="https://support-mozilla-org.translate.goog/en-US/products/firefox?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB" 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://translate.google.com/website?sl=pl&tl=fr&hl=en-GB&u=https://www.mozilla.org/firefox/new/?utm_source%3Dsupport.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnon-fx-button%26utm_content%3Dbody-download-button" class="download-button sumo-button primary-button button-lg"> Download Firefox </a> <ul class="download-info text-body-xs"> <li><a href="https://translate.google.com/website?sl=pl&tl=fr&hl=en-GB&u=https://www.mozilla.org/firefox/all/">Systems and Languages</a></li> <li><a href="https://translate.google.com/website?sl=pl&tl=fr&hl=en-GB&u=https://www.mozilla.org/firefox/notes">What's New</a></li> <li><a href="https://translate.google.com/website?sl=pl&tl=fr&hl=en-GB&u=https://www.mozilla.org/legal/privacy/firefox">Privacy</a></li> </ul> </div> </div> </div> </div> <h1 class="sumo-page-heading">Configure DNS over HTTPS protection levels 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>Last updated:</strong> <span class="time"> <time datetime="2024-06-30T01:01:23.347519-07:00">6/30/24</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">61%</span> of users voted this helpful </span> </div> <section id="doc-content" class="document--content "> <div class="for" data-for="not fx114"> <div class="note"> <strong>Note:</strong> This article applies to <a href="https://support-mozilla-org.translate.goog/en-US/kb/find-what-version-firefox-you-are-using?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">Firefox version</a> 114 and above. </div> </div> <p><a href="https://support-mozilla-org.translate.goog/en-US/kb/firefox-dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">DNS over HTTPS (DoH)</a> is a recommended feature that enhances privacy for everyone. When you type a web address into your address bar, Firefox sends a secure DNS request to look up the IP address for that website over the Internet. DNS over HTTPS protection can be configured in four different ways.</p> <div id="toc"> <h2>Table of Contents</h2> <ul> <li class="toclevel-1"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_configure-doh-protection-settings"><span class="tocnumber">1</span> <span class="toctext">Configure DoH protection settings</span></a></li> <li class="toclevel-1"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_protection-levels-explained"><span class="tocnumber">2</span> <span class="toctext">Protection levels explained</span></a> <ul> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_default-protection"><span class="tocnumber">2.1</span> <span class="toctext">Default Protection</span></a></li> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_increased-protection"><span class="tocnumber">2.2</span> <span class="toctext">Increased Protection</span></a></li> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_max-protection"><span class="tocnumber">2.3</span> <span class="toctext">Max Protection</span></a></li> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_off"><span class="tocnumber">2.4</span> <span class="toctext">Off</span></a></li> </ul></li> <li class="toclevel-1"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_add-sites-to-the-exceptions-list"><span class="tocnumber">3</span> <span class="toctext">Add sites to the Exceptions list</span></a></li> <li class="toclevel-1"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_frequently-asked-questions"><span class="tocnumber">4</span> <span class="toctext">Frequently asked questions</span></a> <ul> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_what-is-a-local-provider"><span class="tocnumber">4.1</span> <span class="toctext">What is a local provider?</span></a></li> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_why-would-a-network-tell-firefox-not-to-use-secure-dns"><span class="tocnumber">4.2</span> <span class="toctext">Why would a network tell Firefox not to use secure DNS?</span></a></li> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_what-does-my-doh-status-mean"><span class="tocnumber">4.3</span> <span class="toctext">What does my DoH status mean?</span></a></li> <li class="toclevel-2"><a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_why-is-the-secure-dns-status-not-showing-as-active"><span class="tocnumber">4.4</span> <span class="toctext">Why is the secure DNS status not showing as active?</span></a></li> </ul></li> </ul> </div> <h1 id="w_configure-doh-protection-settings">Configure DoH protection settings</h1> <p>Default Protection is automatically enabled in Firefox when DNS over HTTPS (DoH) is activated. If you would like to modify the settings or select a different level of protection, please follow these steps:</p> <ol> <li>Click the menu <img alt="PhotonMenuButton" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2017-09-28-11-58-03-e6a66b.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> button at the top right of the screen.</li> <li>Click <span class="menu">Settings</span>.</li> <li>Click <span class="menu">Privacy & Security</span> on the left.</li> <li>Scroll down to the <em>DNS over HTTPS</em> section.</li> </ol> <dl> <dt> <img alt="DNS over HTTPS panel" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2024-01-23-10-57-34-3bfa56.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> </dt> </dl> <h1 id="w_protection-levels-explained">Protection levels explained</h1> <h2 id="w_default-protection">Default Protection</h2> <p>The Default Protection automatically enables secure DNS in available regions and falls back to the default resolvers if there are issues. Default protection allows you to use local providers when possible. It disables DoH when VPN, parental control or enterprise policies are active or when a network tells Firefox not to use secure DNS.</p> <h2 id="w_increased-protection">Increased Protection</h2> <p>When Increased Protection is on, DoH is constantly active with the provider you select. We will only switch to a backup option if there are any issues with your chosen provider.</p> <h2 id="w_max-protection">Max Protection</h2> <p>Max protection will always use secure DNS and a security warning will show if we can’t connect to the secure DNS resolver, or if the secure DNS resolver indicates there are no addresses for the domain you are trying to access. The warning page will give you an option of adding an exception for that domain if you want to use the system DNS resolver.</p> <h2 id="w_off">Off</h2> <p>When secure DNS is off, you’ll use your default DNS resolver.</p> <h1 id="w_add-sites-to-the-exceptions-list">Add sites to the Exceptions list</h1> <ol> <li>Click the menu <img alt="PhotonMenuButton" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2017-09-28-11-58-03-e6a66b.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""> button at the top right of the screen.</li> <li>Click <span class="menu">Settings</span>.</li> <li>Click <span class="menu">Privacy & Security</span> on the left.</li> <li>Scroll down to the <em>DNS over HTTPS</em> section.</li> <li>Click the <span class="button">Manage Exceptions button</span>.</li> </ol> <p><img alt="doh_manage_exceptions" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2023-05-24-13-12-11-4370aa.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""></p> <h1 id="w_frequently-asked-questions">Frequently asked questions</h1> <h2 id="w_what-is-a-local-provider">What is a local provider?</h2> <p>A local provider, typically hosted within a user's local network or by their ISP, secures DNS queries for safer internet access. To detect a local provider, specific heuristics are used, which examine network configuration and DNS response patterns. Note that local providers are only employed in the <em>Default Protection</em> mode of DNS settings. They are used only when all heuristics criteria are met, ensuring that the DNS resolver is local and suitable for secure, efficient query resolutions.</p> <h2 id="w_why-would-a-network-tell-firefox-not-to-use-secure-dns">Why would a network tell Firefox not to use secure DNS?</h2> <p>Some organizations restrict access to certain websites. If an organization has their own secure DNS, they will ask Firefox not to bypass it.</p> <p>For additional information on DNS over HTTPS, you can refer to some of the <a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https-doh-faqs?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">commonly asked questions (FAQs)</a>.</p> <h2 id="w_what-does-my-doh-status-mean">What does my DoH status mean?</h2> <p>DoH status displays if Firefox is performing secure DNS queries. Based on the protection level you choose, the status indicator will reflect either Active, Not active or Off. <img alt="DoH_status" class="wiki-image frameless lazy" data-original-src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2023-05-24-12-58-53-3e32b7.png" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/placeholder.688345f843bb37ed.gif" title=""></p> <ul> <li><strong>Active:</strong> When status is active, Firefox is securely sending DNS queries to ensure your online activities are protected.</li> <li><strong>Not active:</strong> Firefox detects errors or certain network conditions like VPN, parental controls, enterprise policies that tell Firefox not to use DoH.</li> <li><strong>Off:</strong> DoH has been disabled.</li> </ul> <h2 id="w_why-is-the-secure-dns-status-not-showing-as-active">Why is the secure DNS status not showing as active?</h2> <p>If you have enabled secure DNS and the status is Not Active, common reasons are as follows:</p> <ul> <li>Firefox wasn't able to connect to the provider.</li> <li>The connection to the provider took longer than expected.</li> <li>You are not connected to the internet.</li> <li>There was a problem with the provider.</li> <li>The browser is configured to <em>Default protection</em> but the network has signaled to Firefox to not enable DNS over HTTPS (for details, see <a href="https://support-mozilla-org.translate.goog/en-US/kb/dns-over-https-doh-faqs?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB#w_what-are-doh-heuristics">What are DoH heuristics?</a>)</li> </ul> </section> <p class="share-link"><br> Share this article: <a href="https://translate.google.com/website?sl=pl&tl=fr&hl=en-GB&u=https://mzl.la/3CeKjxH">https://mzl.la/3CeKjxH</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="/en-US/kb/dns-over-https/vote" method="post"><input type="hidden" name="csrfmiddlewaretoken" value="U2PpDdgZHLLBe8BZF5HZQsFGZtgrDDuXwzUavhtWndggjZF3Kbgw8yOcEieRj5a9"> <h4 class="document-vote--heading">Was this article helpful?</h4> <div class="document-vote--buttons"><input type="hidden" name="revision_id" value="281781"> <input type="hidden" name="source" value="footer"> <button type="submit" class="btn helpful-button" name="helpful"><span class="hidden-text">Yes</span>👍</button> <button type="submit" class="btn not-helpful-button" name="not-helpful"><span class="hidden-text">No</span>👎</button> <img class="wait" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/static/spinner.18d6c26adc937688.gif" alt="Please wait..."> </div> </form> </div> </section> <section id="doc-contributors" class="document--contributors sumo-page-section"> <p class="help-title text-body-md">These fine people helped write this article:</p> <div class="document--contributors-list text-body-xs"> <a class="user secondary-color" rel="nofollow" href="https://support-mozilla-org.translate.goog/en-US/user/AliceWyman/?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">AliceWyman</a>, <a class="user secondary-color" rel="nofollow" href="https://support-mozilla-org.translate.goog/en-US/user/Mozinet/?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">Mozinet</a>, <a class="user secondary-color" rel="nofollow" href="https://support-mozilla-org.translate.goog/en-US/user/Fabi.L/?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">Fabi</a>, <a class="user secondary-color" rel="nofollow" href="https://support-mozilla-org.translate.goog/en-US/user/lsiebert/?_x_tr_sl=pl&_x_tr_tl=fr&_x_tr_hl=en-GB">Lucas Siebert</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">Volunteer</h3> <p class="card--desc">Grow and share your expertise with others. 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