{"id":21306,"date":"2024-11-18T05:00:00","date_gmt":"2024-11-18T05:00:00","guid":{"rendered":"https:\/\/www.lightspeedsystems.com\/blog\/navigating-encrypted-client-hello-and-dns-over-https-in-school-filtering\/"},"modified":"2025-01-19T19:17:09","modified_gmt":"2025-01-19T19:17:09","slug":"navigating-encrypted-client-hello-and-dns-over-https-in-school-filtering","status":"publish","type":"post","link":"https:\/\/www.lightspeedsystems.com\/sv\/blog\/navigating-encrypted-client-hello-and-dns-over-https-in-school-filtering\/","title":{"rendered":"Navigera krypterad klient Hej och DNS \u00f6ver HTTPS i skolfiltrering"},"content":{"rendered":"
\n

N\u00e4r skolor str\u00e4var efter att skapa s\u00e4kra digitala milj\u00f6er, utg\u00f6r nya integritetstekniker som Encrypted Client Hello (ECH) och DNS over HTTPS (DoH) utmaningar f\u00f6r traditionella inneh\u00e5llsfiltreringsmetoder. Dessa sekretessprotokoll \u00e4r utformade f\u00f6r att f\u00f6rb\u00e4ttra anv\u00e4ndarnas integritet, men de begr\u00e4nsar ocks\u00e5 insynen i onlineaktivitet \u2013 en potentiell v\u00e4gsp\u00e4rr f\u00f6r K-12-administrat\u00f6rer som arbetar med att uppr\u00e4tth\u00e5lla s\u00e4kra, fokuserade onlineinl\u00e4rningsutrymmen.<\/p>\n

\u00c4ven om dessa integritetsframsteg utmanar m\u00e5nga filtreringsl\u00f6sningar, s\u00e4kerst\u00e4ller Lightspeed Systems unika tillv\u00e4gag\u00e5ngss\u00e4tt f\u00f6r inneh\u00e5llsfiltrering att ECH- och DoH-protokollen inte st\u00f6r v\u00e5r f\u00f6rm\u00e5ga att tillhandah\u00e5lla s\u00e4ker och p\u00e5litlig webb\u00e5tkomst f\u00f6r skolor. H\u00e4r \u00e4r en titt p\u00e5 vad ECH och DoH betyder f\u00f6r skolfiltrering och hur Lightspeeds avancerade filtreringsmetoder erbjuder robust, oavbrutet skydd inf\u00f6r nya integritetsstandarder.<\/p>\n

\n
\n
\nF\u00f6rst\u00e5 krypterad klient Hej (ECH)
\n<\/span>
\n<\/span>
\n<\/h3>\n

ECH \u00e4r en ny standard som skyddar anv\u00e4ndarnas integritet genom att kryptera det f\u00f6rsta "klient hej"-steget i TLS (Transport Layer Security) handskakning. Detta steg avsl\u00f6jar vanligtvis dom\u00e4nnamnet en anv\u00e4ndare f\u00f6rs\u00f6ker komma \u00e5t, vilket till\u00e5ter filtreringsl\u00f6sningar f\u00f6r att \u00f6vervaka och blockera inneh\u00e5ll. ECH d\u00f6ljer dock denna dom\u00e4ninformation, vilket g\u00f6r det sv\u00e5rt f\u00f6r system som f\u00f6rlitar sig p\u00e5 att f\u00e5nga upp detta steg \u2013 som paketfilter och inline-inspektionsfilter \u2013 att identifiera och filtrera vissa webbplatser.<\/p>\n

\n
\n
\nVad DNS \u00f6ver HTTPS (DoH) betyder f\u00f6r filtrering
\n<\/span>
\n<\/span>
\n<\/h3>\n

DoH \u00e4r ett annat sekretessprotokoll som d\u00f6ljer DNS-f\u00f6rfr\u00e5gningar, de fr\u00e5gor som konverterar dom\u00e4nnamn till IP-adresser. Genom att kryptera DNS-trafik f\u00f6rhindrar DoH traditionella DNS-baserade filter fr\u00e5n att l\u00e4sa detaljerna i anv\u00e4ndarnas f\u00f6rfr\u00e5gningar, vilket g\u00f6r det sv\u00e5rare f\u00f6r skolor att begr\u00e4nsa \u00e5tkomsten till specifika webbplatser.<\/p>\n

B\u00e5de ECH och DoH \u00e4r utformade f\u00f6r att skydda integriteten men skapar betydande hinder f\u00f6r traditionella filtreringsmetoder, s\u00e4rskilt de som inte anv\u00e4nder Man-in-the-Middle (MITM) proxy.<\/p>\n

\n
\n
\nUtmaningar fr\u00e5n ECH och DoH f\u00f6r skolfilter
\n<\/span>
\n<\/span>
\n<\/h3>\n

F\u00f6r m\u00e5nga skolfiltreringsl\u00f6sningar minskar ECH och DoH deras effektivitet avsev\u00e4rt:<\/p>\n

    \n
  • Paketfiltreringsl\u00f6sningar:<\/strong> ECH g\u00f6r det sv\u00e5rt f\u00f6r paketfiltreringssystem (som ofta anv\u00e4nds i brandv\u00e4ggar) att se dom\u00e4ndetaljer, eftersom dessa system vanligtvis inspekterar okrypterad information f\u00f6r att avg\u00f6ra vilka webbplatser som anv\u00e4nds.<\/li>\n
  • Inline-filter och brandv\u00e4ggar:<\/strong> Filter som \u00e4r beroende av paketsniffning och SNI-detaljer (Server Name Indication) f\u00f6r att fastst\u00e4lla webbadresser f\u00f6rlorar synlighet p\u00e5 grund av ECH. Med denna information dold kan s\u00e5dana l\u00f6sningar inte effektivt \u00f6vervaka eller blockera specifikt inneh\u00e5ll.<\/li>\n
  • DNS-baserade filter:<\/strong> DoH kan begr\u00e4nsa effektiviteten hos DNS-baserade filter genom att kryptera DNS-f\u00f6rfr\u00e5gningar, vilket g\u00f6r det utmanande f\u00f6r skolor att \u00f6vervaka eller begr\u00e4nsa \u00e5tkomsten till ol\u00e4mpliga webbplatser.<\/li>\n<\/ul>\n

    \n
    \n
    \nLightspeed Systems: En filtreringsl\u00f6sning utformad f\u00f6r att motst\u00e5 integritetsprotokoll
    \n<\/span>
    \n<\/span>
    \n<\/h3>\n

    Till skillnad fr\u00e5n m\u00e5nga traditionella system \u00e4r Lightspeed Systems f\u00f6rberedda f\u00f6r de sekretessframsteg som ECH och DoH representerar. S\u00e5 h\u00e4r g\u00f6r du:<\/p>\n

      \n
    1. Lightspeeds TLS-handskakningsprocess:<\/strong> Lightspeed Systems slutf\u00f6r TLS-handskakningen p\u00e5 uppdrag av anv\u00e4ndaren, och "blir" effektivt anv\u00e4ndaren i webbserverns \u00f6gon. Detta tillv\u00e4gag\u00e5ngss\u00e4tt bibeh\u00e5ller insyn i de beg\u00e4rda dom\u00e4nerna, \u00e4ven med ECH p\u00e5 plats, vilket g\u00f6r att Lightspeed kan forts\u00e4tta filtrera effektivt utan avbrott.<\/li>\n
    2. DNS-baserad filtrering oberoende av ECH:<\/strong> Lightspeeds DNS-filter, inklusive l\u00f6sningar som SmartShield, fungerar oberoende av TLS-lagret och fokuserar p\u00e5 DNS-f\u00f6rfr\u00e5gningar snarare \u00e4n paketinspektion. Detta inneb\u00e4r att ECH:s kryptering av klientens hej-stadium inte p\u00e5verkar dessa filter, vilket g\u00f6r det m\u00f6jligt f\u00f6r skolor att uppr\u00e4tth\u00e5lla tillf\u00f6rlitlig och s\u00e4ker filtrering.<\/li>\n
    3. Blockera DNS \u00f6ver HTTPS (DoH):<\/strong> Eftersom DoH kan skymma DNS-f\u00f6rfr\u00e5gningar, f\u00f6rhindrar eller blockerar Lightspeed proaktivt DoH-anslutningar. Genom att g\u00f6ra det s\u00e4kerst\u00e4ller Lightspeed att dess DNS-baserade filter beh\u00e5ller synlighet i anv\u00e4ndarf\u00f6rfr\u00e5gningar, vilket g\u00f6r det m\u00f6jligt f\u00f6r administrat\u00f6rer att effektivt kontrollera och \u00f6vervaka onlineinneh\u00e5ll.<\/li>\n<\/ol>\n

      \n
      \n
      \nVarf\u00f6r detta \u00e4r viktigt f\u00f6r amerikanska skoldistrikt
      \n<\/span>
      \n<\/span>
      \n<\/h3>\n

      N\u00e4r integritetstekniken forts\u00e4tter att utvecklas m\u00e5ste skoldistrikt ha filtreringsl\u00f6sningar som anpassar sig till dessa f\u00f6r\u00e4ndringar utan att \u00e4ventyra elevernas s\u00e4kerhet. Lightspeeds filtreringsmetoder h\u00e5ller inte bara j\u00e4mna steg med sekretessframsteg som ECH och DoH utan bibeh\u00e5ller ocks\u00e5 p\u00e5litlig kontroll \u00f6ver onlineinneh\u00e5ll, vilket s\u00e4kerst\u00e4ller att eleverna \u00e4r s\u00e4kra och fokuserade under onlineinl\u00e4rning.<\/p>\n

      \n
      \n
      \nG\u00e5 fram\u00e5t med sj\u00e4lvf\u00f6rtroende
      \n<\/span>
      \n<\/span>
      \n<\/h3>\n

      P\u00e5 Lightspeed Systems f\u00f6rst\u00e5r vi att integritet och s\u00e4kerhet utvecklas, och vi \u00e4r fortsatt engagerade i att f\u00f6rse skoldistrikten med framtida filtreringsl\u00f6sningar. Med v\u00e5r avancerade metod f\u00f6r inneh\u00e5llsfiltrering kan skolor lita p\u00e5 att de har de verktyg de beh\u00f6ver f\u00f6r att navigera i nya sekretessprotokoll och skydda eleverna effektivt.<\/p>\n

      F\u00f6r mer information om hur Lightspeed Systems kan st\u00f6dja ditt skoldistrikt i att navigera i ECH, DoH och andra sekretessframsteg, kontakta oss eller utforska v\u00e5rt resursbibliotek. Tillsammans kan vi hj\u00e4lpa till att uppr\u00e4tth\u00e5lla en s\u00e4ker och produktiv digital milj\u00f6 f\u00f6r varje elev.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

      N\u00e4r skolor str\u00e4var efter att skapa s\u00e4kra digitala milj\u00f6er, utg\u00f6r nya integritetstekniker som Encrypted Client Hello (ECH) och DNS over HTTPS (DoH) utmaningar f\u00f6r traditionella inneh\u00e5llsfiltreringsmetoder.<\/p>","protected":false},"author":14,"featured_media":21311,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"Navigating Encrypted Client Hello and DNS over HTTPS in School Filtering","_yoast_wpseo_metadesc":"As schools strive to create safe digital environments, new privacy technologies like Encrypted Client Hello (ECH) and DNS over HTTPS (DoH) pose challenges for traditional content filtering methods.","footnotes":""},"categories":[1],"tags":[11,10,15],"class_list":["post-21306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-cybersecurity","tag-lightspeed-filter","tag-web-content-filtering"],"acf":{"authors":[777]},"yoast_head":"\nNavigating Encrypted Client Hello and DNS over HTTPS in School Filtering<\/title>\n<meta name=\"description\" content=\"As schools strive to create safe digital environments, new privacy technologies like Encrypted Client Hello (ECH) and DNS over HTTPS (DoH) pose challenges for traditional content filtering methods.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lightspeedsystems.com\/sv\/blog\/navigating-encrypted-client-hello-and-dns-over-https-in-school-filtering\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" 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