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id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Início</div> </a> </li> <li id="toc-Ataque_distribuído" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ataque_distribuído"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Ataque distribuído</span> </div> </a> <ul id="toc-Ataque_distribuído-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tipos" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tipos"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Tipos</span> </div> </a> <button aria-controls="toc-Tipos-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar a subsecção Tipos</span> </button> <ul id="toc-Tipos-sublist" class="vector-toc-list"> <li id="toc-Ataques_por_inundação" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ataques_por_inundação"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Ataques por inundação</span> </div> </a> <ul id="toc-Ataques_por_inundação-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ataques_por_amplificação" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ataques_por_amplificação"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Ataques por amplificação</span> </div> </a> <ul id="toc-Ataques_por_amplificação-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ataques_por_exploração_de_protocolos" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ataques_por_exploração_de_protocolos"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Ataques por exploração de protocolos</span> </div> </a> <ul id="toc-Ataques_por_exploração_de_protocolos-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Ver_também" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ver_também"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Ver também</span> </div> </a> <ul id="toc-Ver_também-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referências" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referências"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Referências</span> </div> </a> <ul id="toc-Referências-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Conteúdo" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Alternar o índice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Alternar o índice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ataque de negação de serviço</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ir para um artigo noutra língua. Disponível em 57 línguas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-57" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">57 línguas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%87%D8%AC%D9%85%D8%A7%D8%AA_%D8%A7%D9%84%D8%AD%D8%B1%D9%85%D8%A7%D9%86_%D9%85%D9%86_%D8%A7%D9%84%D8%AE%D8%AF%D9%85%D8%A7%D8%AA" title="هجمات الحرمان من الخدمات — árabe" lang="ar" hreflang="ar" data-title="هجمات الحرمان من الخدمات" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Ataque_de_denegaci%C3%B3n_de_serviciu" title="Ataque de denegación de serviciu — asturiano" lang="ast" hreflang="ast" data-title="Ataque de denegación de serviciu" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/DoS-h%C3%BCcum" title="DoS-hücum — azerbaijano" lang="az" hreflang="az" data-title="DoS-hücum" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaijano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Attacke_zua_Deanstblockade" title="Attacke zua Deanstblockade — Bavarian" lang="bar" hreflang="bar" data-title="Attacke zua Deanstblockade" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%90%D1%82%D0%B0%D0%BA%D0%B0_%D0%B7%D0%B0_%D0%BE%D1%82%D0%BA%D0%B0%D0%B7_%D0%BD%D0%B0_%D1%83%D1%81%D0%BB%D1%83%D0%B3%D0%B0" title="Атака за отказ на услуга — búlgaro" lang="bg" hreflang="bg" data-title="Атака за отказ на услуга" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A1%E0%A6%BF%E0%A6%A8%E0%A6%BE%E0%A6%87%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B2_%E0%A6%85%E0%A6%AC_%E0%A6%B8%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A6%BF%E0%A6%B8" title="ডিনাইয়াল অব সার্ভিস — bengalês" lang="bn" hreflang="bn" data-title="ডিনাইয়াল অব সার্ভিস" data-language-autonym="বাংলা" data-language-local-name="bengalês" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Atac_de_denegaci%C3%B3_de_servei" title="Atac de denegació de servei — catalão" lang="ca" hreflang="ca" data-title="Atac de denegació de servei" data-language-autonym="Català" data-language-local-name="catalão" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%95%DB%8E%DA%AF%DB%95%DA%AF%D8%B1%D8%AA%D9%86_%D9%84%DB%95_%D8%AE%D8%B2%D9%85%DB%95%D8%AA%DA%AF%D9%88%D8%B2%D8%A7%D8%B1%DB%8C" title="ڕێگەگرتن لە خزمەتگوزاری — curdo central" lang="ckb" hreflang="ckb" data-title="ڕێگەگرتن لە خزمەتگوزاری" data-language-autonym="کوردی" data-language-local-name="curdo central" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Denial_of_service" title="Denial of service — checo" lang="cs" hreflang="cs" data-title="Denial of service" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Denial_of_Service" title="Denial of Service — alemão" lang="de" hreflang="de" data-title="Denial of Service" data-language-autonym="Deutsch" data-language-local-name="alemão" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%95%CF%80%CE%B9%CE%B8%CE%AD%CF%83%CE%B5%CE%B9%CF%82_%CE%AC%CF%81%CE%BD%CE%B7%CF%83%CE%B7%CF%82_%CF%85%CF%80%CE%B7%CF%81%CE%B5%CF%83%CE%B9%CF%8E%CE%BD" title="Επιθέσεις άρνησης υπηρεσιών — grego" lang="el" hreflang="el" data-title="Επιθέσεις άρνησης υπηρεσιών" data-language-autonym="Ελληνικά" data-language-local-name="grego" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Denial-of-service_attack" title="Denial-of-service attack — inglês" lang="en" hreflang="en" data-title="Denial-of-service attack" data-language-autonym="English" data-language-local-name="inglês" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ataque_de_denegaci%C3%B3n_de_servicio" title="Ataque de denegación de servicio — espanhol" lang="es" hreflang="es" data-title="Ataque de denegación de servicio" data-language-autonym="Español" data-language-local-name="espanhol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Teenuset%C3%B5kestusr%C3%BCnne" title="Teenusetõkestusrünne — estónio" lang="et" hreflang="et" data-title="Teenusetõkestusrünne" data-language-autonym="Eesti" data-language-local-name="estónio" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Zerbitzu_ukapenaren_eraso" title="Zerbitzu ukapenaren eraso — basco" lang="eu" hreflang="eu" data-title="Zerbitzu ukapenaren eraso" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AD%D9%85%D9%84%D9%87_%D9%85%D8%AD%D8%B1%D9%88%D9%85%E2%80%8C%D8%B3%D8%A7%D8%B2%DB%8C_%D8%A7%D8%B2_%D8%B3%D8%B1%D9%88%DB%8C%D8%B3" title="حمله محروم‌سازی از سرویس — persa" lang="fa" hreflang="fa" data-title="حمله محروم‌سازی از سرویس" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Palvelunestohy%C3%B6kk%C3%A4ys" title="Palvelunestohyökkäys — finlandês" lang="fi" hreflang="fi" data-title="Palvelunestohyökkäys" data-language-autonym="Suomi" data-language-local-name="finlandês" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Attaque_par_d%C3%A9ni_de_service" title="Attaque par déni de service — francês" lang="fr" hreflang="fr" data-title="Attaque par déni de service" data-language-autonym="Français" data-language-local-name="francês" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Ionsa%C3%AD_di%C3%BAltaithe_seirbh%C3%ADse" title="Ionsaí diúltaithe seirbhíse — irlandês" lang="ga" hreflang="ga" data-title="Ionsaí diúltaithe seirbhíse" data-language-autonym="Gaeilge" data-language-local-name="irlandês" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Ataque_de_denegaci%C3%B3n_de_servizo" title="Ataque de denegación de servizo — galego" lang="gl" hreflang="gl" data-title="Ataque de denegación de servizo" data-language-autonym="Galego" data-language-local-name="galego" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%AA%D7%A7%D7%A4%D7%AA_%D7%9E%D7%A0%D7%99%D7%A2%D7%AA_%D7%A9%D7%99%D7%A8%D7%95%D7%AA" title="התקפת מניעת שירות — hebraico" lang="he" hreflang="he" data-title="התקפת מניעת שירות" data-language-autonym="עברית" data-language-local-name="hebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Napad_uskra%C4%87ivanjem_resursa" title="Napad uskraćivanjem resursa — croata" lang="hr" hreflang="hr" data-title="Napad uskraćivanjem resursa" data-language-autonym="Hrvatski" data-language-local-name="croata" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Szolg%C3%A1ltat%C3%A1smegtagad%C3%A1ssal_j%C3%A1r%C3%B3_t%C3%A1mad%C3%A1s" title="Szolgáltatásmegtagadással járó támadás — húngaro" lang="hu" hreflang="hu" data-title="Szolgáltatásmegtagadással járó támadás" data-language-autonym="Magyar" data-language-local-name="húngaro" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/DoS" title="DoS — arménio" lang="hy" hreflang="hy" data-title="DoS" data-language-autonym="Հայերեն" data-language-local-name="arménio" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Serangan_kegagalan_layanan" title="Serangan kegagalan layanan — indonésio" lang="id" hreflang="id" data-title="Serangan kegagalan layanan" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésio" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/DoS-%C3%A1r%C3%A1s" title="DoS-árás — islandês" lang="is" hreflang="is" data-title="DoS-árás" data-language-autonym="Íslenska" data-language-local-name="islandês" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Denial_of_service" title="Denial of service — italiano" lang="it" hreflang="it" data-title="Denial of service" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/DoS%E6%94%BB%E6%92%83" title="DoS攻撃 — japonês" lang="ja" hreflang="ja" data-title="DoS攻撃" data-language-autonym="日本語" data-language-local-name="japonês" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/Denial-of-service_attack" title="Denial-of-service attack — georgiano" lang="ka" hreflang="ka" data-title="Denial-of-service attack" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%84%9C%EB%B9%84%EC%8A%A4_%EA%B1%B0%EB%B6%80_%EA%B3%B5%EA%B2%A9" title="서비스 거부 공격 — coreano" lang="ko" hreflang="ko" data-title="서비스 거부 공격" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Denial_of_Service" title="Denial of Service — lombardo" lang="lmo" hreflang="lmo" data-title="Denial of Service" data-language-autonym="Lombard" data-language-local-name="lombardo" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Paskirstyta_paslaugos_trikdymo_ataka" title="Paskirstyta paslaugos trikdymo ataka — lituano" lang="lt" hreflang="lt" data-title="Paskirstyta paslaugos trikdymo ataka" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Pakalpojumatteices_uzbrukums" title="Pakalpojumatteices uzbrukums — letão" lang="lv" hreflang="lv" data-title="Pakalpojumatteices uzbrukums" data-language-autonym="Latviešu" data-language-local-name="letão" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A1%E0%B4%BF%E0%B4%A8%E0%B4%AF%E0%B4%BF%E0%B5%BD-%E0%B4%93%E0%B4%AB%E0%B5%8D-%E0%B4%B8%E0%B5%BC%E0%B4%B5%E0%B5%80%E0%B4%B8%E0%B5%8D_%E0%B4%85%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B4%BE%E0%B4%95%E0%B5%8D%E0%B4%95%E0%B5%8D%E2%80%8C" title="ഡിനയിൽ-ഓഫ്-സർവീസ് അറ്റാക്ക്‌ — malaiala" lang="ml" hreflang="ml" data-title="ഡിനയിൽ-ഓഫ്-സർവീസ് അറ്റാക്ക്‌" data-language-autonym="മലയാളം" data-language-local-name="malaiala" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/DoS_%D1%85%D0%B0%D0%BB%D0%B4%D0%BB%D0%B0%D0%B3%D0%B0" title="DoS халдлага — mongol" lang="mn" hreflang="mn" data-title="DoS халдлага" data-language-autonym="Монгол" data-language-local-name="mongol" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Serangan_penafian-perkhidmatan" title="Serangan penafian-perkhidmatan — malaio" lang="ms" hreflang="ms" data-title="Serangan penafian-perkhidmatan" data-language-autonym="Bahasa Melayu" data-language-local-name="malaio" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/Denial-of-service_attack" title="Denial-of-service attack — birmanês" lang="my" hreflang="my" data-title="Denial-of-service attack" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmanês" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Denial_of_service" title="Denial of service — neerlandês" lang="nl" hreflang="nl" data-title="Denial of service" data-language-autonym="Nederlands" data-language-local-name="neerlandês" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Tjenestenektangrep" title="Tjenestenektangrep — norueguês bokmål" lang="nb" hreflang="nb" data-title="Tjenestenektangrep" data-language-autonym="Norsk bokmål" data-language-local-name="norueguês bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Blokada_us%C5%82ug" title="Blokada usług — polaco" lang="pl" hreflang="pl" data-title="Blokada usług" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/DoS" title="DoS — romeno" lang="ro" hreflang="ro" data-title="DoS" data-language-autonym="Română" data-language-local-name="romeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/DoS-%D0%B0%D1%82%D0%B0%D0%BA%D0%B0" title="DoS-атака — russo" lang="ru" hreflang="ru" data-title="DoS-атака" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Denial-of-Service_attack" title="Denial-of-Service attack — Simple English" lang="en-simple" hreflang="en-simple" data-title="Denial-of-Service attack" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Napad_za_zavrnitev_storitve" title="Napad za zavrnitev storitve — esloveno" lang="sl" hreflang="sl" data-title="Napad za zavrnitev storitve" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Sulmet_DoS" title="Sulmet DoS — albanês" lang="sq" hreflang="sq" data-title="Sulmet DoS" data-language-autonym="Shqip" data-language-local-name="albanês" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/DoS_%D0%BD%D0%B0%D0%BF%D0%B0%D0%B4" title="DoS напад — sérvio" lang="sr" hreflang="sr" data-title="DoS напад" data-language-autonym="Српски / srpski" data-language-local-name="sérvio" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Denial-of-service" title="Denial-of-service — sueco" lang="sv" hreflang="sv" data-title="Denial-of-service" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%87%E0%AE%B5%E0%AF%88_%E0%AE%AE%E0%AE%B1%E0%AF%81%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%A4%E0%AF%8D_%E0%AE%A4%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%A4%E0%AE%B2%E0%AF%8D" title="சேவை மறுப்புத் தாக்குதல் — tâmil" lang="ta" hreflang="ta" data-title="சேவை மறுப்புத் தாக்குதல்" data-language-autonym="தமிழ்" data-language-local-name="tâmil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D2%B2%D0%B0%D0%BC%D0%BB%D0%B0%D0%B8_%D0%B1%D0%B0%D0%BD%D0%B4%D0%BE%D0%B2%D0%B0%D1%80%D0%B8%D0%B8_%D1%85%D0%B0%D0%B4%D0%B0%D0%BC%D0%BE%D1%82" title="Ҳамлаи бандоварии хадамот — tajique" lang="tg" hreflang="tg" data-title="Ҳамлаи бандоварии хадамот" data-language-autonym="Тоҷикӣ" data-language-local-name="tajique" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%82%E0%B8%88%E0%B8%A1%E0%B8%95%E0%B8%B5%E0%B9%82%E0%B8%94%E0%B8%A2%E0%B8%9B%E0%B8%8F%E0%B8%B4%E0%B9%80%E0%B8%AA%E0%B8%98%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%83%E0%B8%AB%E0%B9%89%E0%B8%9A%E0%B8%A3%E0%B8%B4%E0%B8%81%E0%B8%B2%E0%B8%A3" title="การโจมตีโดยปฏิเสธการให้บริการ — tailandês" lang="th" hreflang="th" data-title="การโจมตีโดยปฏิเสธการให้บริการ" data-language-autonym="ไทย" data-language-local-name="tailandês" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Servis_d%C4%B1%C5%9F%C4%B1_b%C4%B1rakma_sald%C4%B1r%C4%B1s%C4%B1" title="Servis dışı bırakma saldırısı — turco" lang="tr" hreflang="tr" data-title="Servis dışı bırakma saldırısı" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/DoS-%D0%B0%D1%82%D0%B0%D0%BA%D0%B0" title="DoS-атака — ucraniano" lang="uk" hreflang="uk" data-title="DoS-атака" data-language-autonym="Українська" data-language-local-name="ucraniano" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/DoS_hujum" title="DoS hujum — usbeque" lang="uz" hreflang="uz" data-title="DoS hujum" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbeque" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/T%E1%BA%A5n_c%C3%B4ng_t%E1%BB%AB_ch%E1%BB%91i_d%E1%BB%8Bch_v%E1%BB%A5" title="Tấn công từ chối dịch vụ — vietnamita" lang="vi" hreflang="vi" data-title="Tấn công từ chối dịch vụ" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%8B%92%E7%BB%9D%E6%9C%8D%E5%8A%A1%E6%94%BB%E5%87%BB" title="拒绝服务攻击 — wu" lang="wuu" hreflang="wuu" data-title="拒绝服务攻击" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%98%BB%E6%96%B7%E6%9C%8D%E5%8B%99%E6%94%BB%E6%93%8A" title="阻斷服務攻擊 — chinês" lang="zh" hreflang="zh" data-title="阻斷服務攻擊" data-language-autonym="中文" data-language-local-name="chinês" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%98%BB%E6%96%B7%E6%9C%8D%E5%8B%99%E6%94%BB%E6%93%8A" title="阻斷服務攻擊 — cantonês" lang="yue" hreflang="yue" data-title="阻斷服務攻擊" data-language-autonym="粵語" data-language-local-name="cantonês" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q131406#sitelinks-wikipedia" title="Editar hiperligações interlínguas" 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class="box-Mais_notas plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div style="width:52px"><span typeof="mw:File"><a href="/wiki/Ficheiro:Question_book-new.svg" class="mw-file-description"><img alt="Esta página cita fontes, mas não cobrem todo o conteúdo" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">Esta página <a href="/wiki/Wikip%C3%A9dia:Livro_de_estilo/Cite_as_fontes" title="Wikipédia:Livro de estilo/Cite as fontes">cita fontes</a>, mas que <b><a href="/wiki/Wikip%C3%A9dia:V" class="mw-redirect" title="Wikipédia:V">não cobrem</a> todo o conteúdo</b>.<span class="hide-when-compact"> Ajude a <a href="/wiki/Wikip%C3%A9dia:Livro_de_estilo/Refer%C3%AAncias_e_notas_de_rodap%C3%A9" title="Wikipédia:Livro de estilo/Referências e notas de rodapé">inserir referências</a> (<small><i>Encontre fontes:</i> <span class="plainlinks"><a rel="nofollow" class="external text" href="https://wikipedialibrary.wmflabs.org/">ABW</a>  •  <a rel="nofollow" class="external text" href="https://www.periodicos.capes.gov.br">CAPES</a>  •  <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&as_epq=Ataque+de+nega%C3%A7%C3%A3o+de+servi%C3%A7o">Google</a> (<a rel="nofollow" class="external text" href="https://www.google.com/search?hl=pt&tbm=nws&q=Ataque+de+nega%C3%A7%C3%A3o+de+servi%C3%A7o&oq=Ataque+de+nega%C3%A7%C3%A3o+de+servi%C3%A7o">N</a> • <a rel="nofollow" class="external text" href="http://books.google.com/books?&as_brr=0&as_epq=Ataque+de+nega%C3%A7%C3%A3o+de+servi%C3%A7o">L</a> • <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?hl=pt&q=Ataque+de+nega%C3%A7%C3%A3o+de+servi%C3%A7o">A</a>)</span></small>).</span> <small class="date-container"><i>(<span class="date">Julho de 2013</span>)</i></small></div></td></tr></tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Stachledraht_DDos_Attack.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Stachledraht_DDos_Attack.svg/220px-Stachledraht_DDos_Attack.svg.png" decoding="async" width="220" height="311" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Stachledraht_DDos_Attack.svg/330px-Stachledraht_DDos_Attack.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Stachledraht_DDos_Attack.svg/440px-Stachledraht_DDos_Attack.svg.png 2x" data-file-width="744" data-file-height="1052" /></a><figcaption>Diagrama de um Ataque DDoS Stacheldraht</figcaption></figure> <p>O <b>ataque de negação de serviço</b> (também conhecido como <b>DoS-Attack</b>, <a href="/wiki/Acr%C3%B4nimo" class="mw-redirect" title="Acrônimo">acrônimo</a> em <a href="/wiki/L%C3%ADngua_inglesa" title="Língua inglesa">inglês</a> de <i>Denial of Service</i>), é um <a href="/wiki/Ciberataque" title="Ciberataque">ataque virtual</a> que tenta tornar os recursos de um sistema indisponíveis para os seus utilizadores. Alvos típicos são <a href="/wiki/Servidor_web" title="Servidor web">servidores web</a> e <i><a href="/wiki/S%C3%ADtio_eletr%C3%B3nico" title="Sítio eletrónico">websites</a></i>, estes possuem um limite de solicitações de utilizadores que serão respondidas simultaneamente, o ataque DDos envia um excesso de solicitações que leva os alvos à <a href="/wiki/Sobrecarga" class="mw-redirect" title="Sobrecarga">sobrecarga</a>, tentando tornar as páginas hospedadas indisponíveis na <a href="/wiki/World_Wide_Web" title="World Wide Web">rede</a>.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span>[</span>1<span>]</span></a></sup> Não é uma <a href="/wiki/Hacker" title="Hacker">invasão do sistema</a>, mas sim a invalidação por sobrecarga. Os ataques de negação de serviço são feitos geralmente de duas formas: </p> <ul><li>forçar o sistema vítima a reinicializar ou consumir todos os recursos (como <a href="/wiki/Mem%C3%B3ria_(computador)" class="mw-redirect" title="Memória (computador)">memória</a> ou <a href="/wiki/Processamento" class="mw-redirect" title="Processamento">processamento</a>, por exemplo) de forma que ele não possa mais fornecer seu serviço;</li> <li>obstruir a mídia de comunicação entre os utilizadores e o sistema vítima de forma a não se comunicarem adequadamente.</li></ul> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Ataque_distribuído"><span id="Ataque_distribu.C3.ADdo"></span>Ataque distribuído</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&veaction=edit&section=1" title="Editar secção: Ataque distribuído" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&action=edit&section=1" title="Editar código-fonte da secção: Ataque distribuído"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>No ataque distribuído de negação de serviço (também conhecido como <b>DDoS-Attack</b>, um <a href="/wiki/Acr%C3%B4nimo" class="mw-redirect" title="Acrônimo">acrônimo</a> em <a href="/wiki/L%C3%ADngua_inglesa" title="Língua inglesa">inglês</a> para <i>Distributed Denial of Service</i>),<sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span>[</span>1<span>]</span></a></sup> um <a href="/wiki/Computador" title="Computador">computador</a> mestre denominado <i>master</i> pode ter sob seu comando até milhares de computadores <i>zombies</i> (são literalmente zumbis, escravizados). Nesse caso, as tarefas de ataque de negação de serviço são feitas por um "exército" de máquinas escravizadas (ataque distribuído). </p><p>O ataque consiste em fazer com que os <i>zombies</i> (máquinas infectadas e sob comando do mestre) se preparem para aceder a um determinado recurso num determinado servidor numa mesma hora de uma mesma data. Passada essa fase, na determinada hora, todos os <i>zombies</i> (ligados e conectados à rede) acedem ao mesmo recurso do mesmo servidor. Como servidores web possuem um número limitado de utilizadores que pode atender simultaneamente (<i>slots</i>), o grande e repentino número de requisições de acesso esgota esse número, fazendo com que o <a href="/wiki/Servidor" title="Servidor">servidor</a> não seja capaz de atender a mais nenhum pedido. </p><p>Dependendo do recurso atacado, o servidor pode chegar a reiniciar ou até mesmo ficar travado. </p><p>Vírus conhecidos criados para a distribuição de rotinas de ataque de negação de serviço incluem "Codered", "Slammer", "MyDoom", que escravizam o infectado. Ferramentas conhecidas de ataques DDos incluem "Fabi" (1998), "Blitznet", "Trin00" (jun/1999), "TFN" (ago/1999), "Stacheldraht" (set/1999), "Shaft", "TFN2K" (dez/1999), "Trank". </p><p>Uma outra estratégia de ataque seria por meio dos <i><a href="/wiki/Botnet" title="Botnet">botnets</a></i> praticando ataques de negação de serviço contra alvos remotos. </p> <div class="mw-heading mw-heading2"><h2 id="Tipos">Tipos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&veaction=edit&section=2" title="Editar secção: Tipos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&action=edit&section=2" title="Editar código-fonte da secção: Tipos"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>O principal objetivo de um ataque de negação de serviço é deixar um recurso computacional inacessível aos seus utilizadores legítimos. As duas classes principais de métodos de ataque são diminuição de largura de banda e esgotamento de recursos. Ataques de diminuição de <a href="/wiki/Largura_de_banda" title="Largura de banda">largura de banda</a> são caracterizados pelos ataques por inundação e amplificação. Ataques de esgotamento de recursos são ataques que fazem uso indevido dos protocolos de comunicação de rede ou enviam pacotes de rede malformados.<sup id="cite_ref-ROCHARodrigoCO_2-0" class="reference"><a href="#cite_note-ROCHARodrigoCO-2"><span>[</span>2<span>]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Ataques_por_inundação"><span id="Ataques_por_inunda.C3.A7.C3.A3o"></span>Ataques por inundação</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&veaction=edit&section=3" title="Editar secção: Ataques por inundação" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&action=edit&section=3" title="Editar código-fonte da secção: Ataques por inundação"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ataques por inundação se caracterizam por enviarem um grande volume de <a href="/wiki/Tr%C3%A1fego_web" title="Tráfego web">tráfego</a> ao sistema da vítima primária de modo a congestionar a sua banda. O impacto deste ataque pode variar entre deixar o sistema lento, derrubá-lo ou sobrecarregar a banda da rede da vítima. Ataques por inundação podem usar pacotes UDP (<a href="/wiki/User_Datagram_Protocol" class="mw-redirect" title="User Datagram Protocol">User Datagram Protocol</a>) ou ICMP (<a href="/wiki/Internet_Control_Message_Protocol" title="Internet Control Message Protocol">Internet Control Message Protocol</a>).<sup id="cite_ref-ROCHARodrigoCO_2-1" class="reference"><a href="#cite_note-ROCHARodrigoCO-2"><span>[</span>2<span>]</span></a></sup> Um dos grandes problemas desse ataque é que qualquer tipo de pacote pode ser usado, bastando ele ter permissão de andar pelos enlaces até o sistema visado, e dessa forma, consumindo toda a capacidade do servidor. </p> <div class="mw-heading mw-heading3"><h3 id="Ataques_por_amplificação"><span id="Ataques_por_amplifica.C3.A7.C3.A3o"></span>Ataques por amplificação</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&veaction=edit&section=4" title="Editar secção: Ataques por amplificação" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&action=edit&section=4" title="Editar código-fonte da secção: Ataques por amplificação"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ataques por amplificação se caracterizam por enviarem requisições forjadas para uma grande quantidade de <a href="/wiki/Computador" title="Computador">computadores</a> ou para um <a href="/wiki/Endere%C3%A7o_IP" title="Endereço IP">endereço IP</a> de <i>broadcast</i>, que por sua vez responderão às requisições. Forjando o endereço IP de origem das requisições para o endereço IP da vítima primária fará com que todas as respostas sejam direcionadas para o alvo do ataque. O endereço IP de <i>broadcast</i> é um recurso encontrado em roteadores. Quando uma requisição possui um endereço IP de <i>broadcast</i> como endereço de destino, o <a href="/wiki/Roteador" title="Roteador">roteador</a> replica o <a href="/wiki/Pacote" title="Pacote">pacote</a> e o envia para todos os endereços IP dentro do intervalo de <i>broadcast</i>. Em ataques por amplificação, endereços de <i>broadcast</i> são usados para amplificar e refletir o tráfego de ataque, reduzindo então a banda da vítima primária.<sup id="cite_ref-ROCHARodrigoCO_2-2" class="reference"><a href="#cite_note-ROCHARodrigoCO-2"><span>[</span>2<span>]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Ataques_por_exploração_de_protocolos"><span id="Ataques_por_explora.C3.A7.C3.A3o_de_protocolos"></span>Ataques por exploração de protocolos</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&veaction=edit&section=5" title="Editar secção: Ataques por exploração de protocolos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&action=edit&section=5" title="Editar código-fonte da secção: Ataques por exploração de protocolos"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ataques por exploração de protocolos se caracterizam por consumir excessivamente os recursos da vítima primária explorando alguma característica específica ou falha de implementação de algum protocolo instalado no sistema da vítima. </p><p>Os principais ataques por exploração de protocolos são por uso indevido de pacotes TCP SYN (Transfer Control Protocol Synchronize) ou de pacotes TCP PUSHACK.<sup id="cite_ref-ROCHARodrigoCO_2-3" class="reference"><a href="#cite_note-ROCHARodrigoCO-2"><span>[</span>2<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Ver_também"><span id="Ver_tamb.C3.A9m"></span>Ver também</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&veaction=edit&section=6" title="Editar secção: Ver também" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ataque_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o&action=edit&section=6" title="Editar código-fonte da secção: Ver também"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Ataque_man-in-the-middle" title="Ataque man-in-the-middle">Ataque man-in-the-middle</a></li> <li><a href="/wiki/LOIC" title="LOIC">LOIC</a></li> <li><a href="/wiki/Ping_flood" title="Ping flood">Ping flood</a></li> <li><a href="/wiki/SYN_Flood" title="SYN Flood">SYN Flood</a></li> <li><a href="/wiki/Botnet" title="Botnet">Botnet</a></li> <li><a href="/wiki/Phreaking" title="Phreaking">Phreaking</a></li></ul> <h2 id="Referências" style="cursor: help;" title="Esta seção foi configurada para não ser editável diretamente. Edite a página toda ou a seção anterior em vez disso."><span id="Refer.C3.AAncias"></span>Referências</h2> <div class="reflist" style="list-style-type: decimal;"><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-:0-1"><span class="mw-cite-backlink">↑ <sup><i><b><a href="#cite_ref-:0_1-0">a</a></b></i></sup> <sup><i><b><a href="#cite_ref-:0_1-1">b</a></b></i></sup></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.kaspersky.com.br/resource-center/threats/ddos-attacks">«O que são ataques de DDoS e como preveni-los»</a>. <i>/</i>. 17 de maio de 2018<span class="reference-accessdate">. Consultado em 18 de outubro de 2024</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AAtaque+de+nega%C3%A7%C3%A3o+de+servi%C3%A7o&rft.atitle=O+que+s%C3%A3o+ataques+de+DDoS+e+como+preveni-los&rft.date=2018-05-17&rft.genre=unknown&rft.jtitle=%2F&rft_id=https%3A%2F%2Fwww.kaspersky.com.br%2Fresource-center%2Fthreats%2Fddos-attacks&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-ROCHARodrigoCO-2"><span class="mw-cite-backlink">↑ <sup><i><b><a href="#cite_ref-ROCHARodrigoCO_2-0">a</a></b></i></sup> <sup><i><b><a href="#cite_ref-ROCHARodrigoCO_2-1">b</a></b></i></sup> <sup><i><b><a href="#cite_ref-ROCHARodrigoCO_2-2">c</a></b></i></sup> <sup><i><b><a href="#cite_ref-ROCHARodrigoCO_2-3">d</a></b></i></sup></span> <span class="reference-text"><cite class="citation web">ROCHA, Rodrigo C. O. (Junho de 2012). <a rel="nofollow" class="external text" href="https://sites.google.com/site/rcorcs/technical-reports/undergraduatedegreedissertationmajorpaperportuguese">«Detecção em Tempo-Real de Ataques de Negação de Serviço na Rede de Origem usando um Classificador Bayesiano Simples»</a><span class="reference-accessdate">. Consultado em 10 de Março de 2013</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AAtaque+de+nega%C3%A7%C3%A3o+de+servi%C3%A7o&rft.aufirst=Rodrigo+C.+O.&rft.aulast=ROCHA&rft.btitle=Detec%C3%A7%C3%A3o+em+Tempo-Real+de+Ataques+de+Nega%C3%A7%C3%A3o+de+Servi%C3%A7o+na+Rede+de+Origem+usando+um+Classificador+Bayesiano+Simples&rft.date=2012-06&rft.genre=unknown&rft_id=https%3A%2F%2Fsites.google.com%2Fsite%2Frcorcs%2Ftechnical-reports%2Fundergraduatedegreedissertationmajorpaperportuguese&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div></div> <ul class="noprint navigation-box" style="border-top: solid silver 1px; border-right: solid silver 1px; border-bottom:1px solid silver; border-left: solid silver 1px; padding:3px; background-color: #F9F9F9; text-align: center; margin-top:10px; margin-left: 0; clear: both;"><li style="display: inline;"><span style="white-space: nowrap; margin: auto 1.5em"><span style="margin-right: 0.5em"><span typeof="mw:File"><a href="/wiki/Ficheiro:Tomada_Brasileira_-_NBR_14136,_20A,_250V.jpg" title="Portal da tecnologia"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Tomada_Brasileira_-_NBR_14136%2C_20A%2C_250V.jpg/25px-Tomada_Brasileira_-_NBR_14136%2C_20A%2C_250V.jpg" decoding="async" width="25" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Tomada_Brasileira_-_NBR_14136%2C_20A%2C_250V.jpg/38px-Tomada_Brasileira_-_NBR_14136%2C_20A%2C_250V.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Tomada_Brasileira_-_NBR_14136%2C_20A%2C_250V.jpg/50px-Tomada_Brasileira_-_NBR_14136%2C_20A%2C_250V.jpg 2x" data-file-width="3072" data-file-height="2304" /></a></span></span> <span style="font-weight:bold"><a href="/wiki/Portal:Tecnologia" title="Portal:Tecnologia">Portal da tecnologia</a></span></span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtida de "<a dir="ltr" href="https://pt.wikipedia.org/w/index.php?title=Ataque_de_negação_de_serviço&oldid=68918494">https://pt.wikipedia.org/w/index.php?title=Ataque_de_negação_de_serviço&oldid=68918494</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categorias</a>: <ul><li><a href="/wiki/Categoria:Seguran%C3%A7a_da_informa%C3%A7%C3%A3o" title="Categoria:Segurança da informação">Segurança da informação</a></li><li><a href="/wiki/Categoria:IRC" title="Categoria:IRC">IRC</a></li><li><a href="/wiki/Categoria:Ataques_de_nega%C3%A7%C3%A3o_de_servi%C3%A7o" title="Categoria:Ataques de negação de serviço">Ataques de negação de serviço</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categorias ocultas: <ul><li><a href="/wiki/Categoria:!Artigos_que_carecem_de_notas_de_rodap%C3%A9_desde_julho_de_2013" title="Categoria:!Artigos que carecem de notas de rodapé desde julho de 2013">!Artigos que carecem de notas de rodapé desde julho de 2013</a></li><li><a href="/wiki/Categoria:!Artigos_que_carecem_de_notas_de_rodap%C3%A9_sem_indica%C3%A7%C3%A3o_de_tema" title="Categoria:!Artigos que carecem de notas de rodapé sem indicação de tema">!Artigos que carecem de notas de rodapé sem indicação de tema</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Esta página foi editada pela última vez às 23h47min de 31 de outubro de 2024.</li> <li id="footer-info-copyright">Este texto é disponibilizado nos termos da licença <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt">Atribuição-CompartilhaIgual 4.0 Internacional (CC BY-SA 4.0) da Creative Commons</a>; pode estar sujeito a condições adicionais. 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