{"id":12014,"date":"2022-12-13T06:00:00","date_gmt":"2022-12-13T11:00:00","guid":{"rendered":"https:\/\/www.cscdbs.com\/blog\/?p=12014"},"modified":"2025-10-15T11:03:44","modified_gmt":"2025-10-15T15:03:44","slug":"la-solution-ultime-pour-le-dns","status":"publish","type":"post","link":"https:\/\/www.cscdbs.com\/blog\/la-solution-ultime-pour-le-dns\/","title":{"rendered":"La solution ultime pour le DNS"},"content":{"rendered":"\n<p>La pand\u00e9mie du Covid-19 a vu le trafic Internet augmenter de pas moins de 60&nbsp;%<a id=\"_ednref1\" href=\"#_edn1\"><sup>[i]<\/sup><\/a>. Du fait de l\u2019adoption marqu\u00e9e des technologies num\u00e9riques par les entreprises, et du besoin de prendre en charge un personnel travaillant de mani\u00e8re hybride, c\u2019est-\u00e0-dire combinant le pr\u00e9sentiel et le distanciel, il est peu probable que le trafic Internet ralentisse pour revenir aux niveaux qui \u00e9taient auparavant consid\u00e9r\u00e9s comme \u00ab&nbsp;normaux&nbsp;\u00bb.<\/p>\n\n\n\n<p>Or, l\u2019augmentation du trafic Internet s\u2019est accompagn\u00e9e d\u2019une hausse du volume de requ\u00eates&nbsp;DNS qui permettent de diriger les internautes vers leur destination, ce qui a fait du&nbsp;DNS une cible encore plus tentante pour les cybercriminels. Ind\u00e9niablement, le syst\u00e8me de noms de domaine, ou DNS, est l\u2019infrastructure en ligne essentielle pour l\u2019activit\u00e9 de toute entreprise. La messagerie, les sites web, l\u2019authentification, les connexions au r\u00e9seau priv\u00e9 virtuel&nbsp;(VPN) et les communications&nbsp;VoIP&nbsp;: le fonctionnement de tous ces services d\u00e9pend int\u00e9gralement du DNS, que l\u2019on appelle aussi \u00ab&nbsp;l\u2019annuaire d\u2019Internet&nbsp;\u00bb parce qu\u2019il g\u00e8re le mappage du trafic.<\/p>\n\n\n\n<p>Les trois pires menaces qui p\u00e8sent sur le&nbsp;DNS incluent l\u2019empoisonnement du cache, les logiciels malveillants (\u00ab&nbsp;malware&nbsp;\u00bb) et les attaques par d\u00e9ni de service distribu\u00e9 (les attaques&nbsp;DDoS)<a id=\"_ednref2\" href=\"#_edn2\"><sup>[ii]<\/sup><\/a>. Le march\u00e9 de la s\u00e9curit\u00e9 du DNS devrait d\u2019ailleurs doubler d\u2019ici&nbsp;2028, passant de 1,2&nbsp;milliard en 2021 \u00e0 plus 2,3&nbsp;milliards de dollars<a id=\"_ednref3\" href=\"#_edn3\"><sup>[iii]<\/sup><\/a>. Les entreprises sont donc engag\u00e9es dans une bataille constante pour renforcer la s\u00e9curit\u00e9 et la r\u00e9silience de leur infrastructure afin de garder une longueur d\u2019avance sur les menaces. Il y a deux moyens d\u2019y parvenir&nbsp;: construire la redondance dans l\u2019infrastructure existante, en faisant appel \u00e0 un service&nbsp;DNS robuste de niveau entreprise et \u00e9quip\u00e9 de contr\u00f4les de s\u00e9curit\u00e9 int\u00e9gr\u00e9s pour r\u00e9sister aux vecteurs d\u2019attaque en augmentation, ou disposer d\u2019une infrastructure suppl\u00e9mentaire pour fournir plus de redondance. Jusqu\u2019\u00e0 maintenant, les organisations devaient s\u2019adresser \u00e0 deux prestataires distincts pour avoir un fournisseur&nbsp;DNS primaire et un fournisseur&nbsp;DNS secondaire pour la redondance.<\/p>\n\n\n\n<p><strong>Ultimate DNS&nbsp;: D\u00e9sormais, les organisations peuvent atteindre leurs objectifs en mati\u00e8re de planification de continuit\u00e9 d\u2019activit\u00e9 et de reprise apr\u00e8s sinistre, tout en b\u00e9n\u00e9ficiant d\u2019une performance exceptionnelle et d\u2019un point de contact unique.<\/strong><\/p>\n\n\n\n<p>Con\u00e7ue en partenariat avec Vercara (anciennement connu sous le nom de Neustar Security Services), la solution Ultimate\u00a0DNS de CSC est destin\u00e9e \u00e0 r\u00e9pondre aux besoins croissants des entreprises. Notre solution combine toutes les fonctionnalit\u00e9s dont une organisation a besoin pour la gestion du DNS, et inclut une capacit\u00e9 d\u2019int\u00e9gration transparente avec votre r\u00e9seau\u00a0DNS existant et votre portefeuille de noms de domaine, la possibilit\u00e9 de cr\u00e9er des enregistrements CNAME (couplage Alias) et les options suivantes\u00a0: protocole\u00a0DNSSEC de s\u00e9curisation des extensions de noms de domaine, g\u00e9olocalisation, r\u00e9partition de charge pond\u00e9r\u00e9e et basculement. Ultimate\u00a0DNS offre \u00e9galement, via une interface unique en configuration active-active, la redondance suppl\u00e9mentaire d\u2019un second r\u00e9seau DNS\u00a0anycast r\u00e9parti dans plusieurs pays, construit sur une infrastructure d\u2019envergure mondiale qui affiche le meilleur temps de disponibilit\u00e9 du secteur.<\/p>\n\n\n\n<p>Le DNS est un syst\u00e8me complexe, qui est constamment sous la menace d\u2019une mauvaise gestion ou d\u2019attaques externes. \u00c0 l\u2019origine, ses concepteurs n\u2019ont pas tenu compte de la s\u00e9curit\u00e9, c\u2019est pourquoi les analystes sectoriels et les agences de cyber-s\u00e9curit\u00e9 gouvernementale ont recommand\u00e9 aux organisations d\u2019am\u00e9liorer la s\u00e9curit\u00e9, la redondance et la disponibilit\u00e9 de leurs services&nbsp;DNS pour garantir la continuit\u00e9 de l\u2019activit\u00e9 et la reprise apr\u00e8s sinistre.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cscdbs.com\/fr\/s\u00e9curit\u00e9-des-noms-de-domaine\/services-dns\/#inlineLeadCollector\">Contactez-nous<\/a> pour d\u00e9couvrir comment Ultimate DNS peut vous aider \u00e0 g\u00e9rer votre r\u00e9seau&nbsp;DNS.<br \/><br \/><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><a href=\"#_ednref1\" id=\"_edn1\">[i]<\/a> oecd.org\/coronavirus\/policy-responses\/keeping-the-internet-up-and-running-in-times-of-crisis-4017c4c9\/<\/p>\n\n\n\n<p><a href=\"#_ednref2\" id=\"_edn2\">[ii]<\/a> efficientip.com\/wp-content\/uploads\/2021\/06\/2021-IDC-DNS-Threat-Report-Infobrief-final_compressed.pdf<\/p>\n\n\n\n<p><a id=\"_edn3\" href=\"#_ednref3\">[iii]<\/a> sg.news.yahoo.com\/dns-security-software-market-forecast-134200437.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La pand\u00e9mie du Covid-19 a vu le trafic Internet augmenter de pas moins de 60&nbsp;%[i]. Du fait de l\u2019adoption marqu\u00e9e des technologies num\u00e9riques par les entreprises, et du besoin de prendre en charge un personnel travaillant de mani\u00e8re hybride, c\u2019est-\u00e0-dire combinant le pr\u00e9sentiel et le distanciel, il est peu probable que le trafic Internet ralentisse [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[545],"tags":[],"class_list":["post-12014","post","type-post","status-publish","format-standard","hentry","category-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La solution ultime pour le DNS | CSC<\/title>\n<meta name=\"description\" content=\"La pand\u00e9mie du Covid-19 a vu le trafic Internet augmenter de pas moins de 60&nbsp;%. 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