{"id":48358,"date":"2023-01-27T17:03:37","date_gmt":"2023-01-27T16:03:37","guid":{"rendered":"https:\/\/kinqsta.com\/dk\/?p=48358&#038;post_type=knowledgebase&#038;preview_id=48358"},"modified":"2025-10-01T20:03:29","modified_gmt":"2025-10-01T19:03:29","slug":"err_tunnel_connection_failed","status":"publish","type":"post","link":"https:\/\/kinqsta.com\/dk\/blog\/err_tunnel_connection_failed\/","title":{"rendered":"S\u00e5dan l\u00f8ser du ERR_TUNNEL_CONNECTION_FAILED i Chrome"},"content":{"rendered":"<p>Hver gang du bes\u00f8ger et nyt websted, sender din browser foresp\u00f8rgsler til flere servere for at hente dets indhold. Disse anmodninger kan nogle gange mislykkes p\u00e5 grund af problemer med mellemliggende servere. I nogle tilf\u00e6lde f\u00e5r du fejlen ERR_TUNNEL_CONNECTION_FAILED.<\/p>\n<p>Denne s\u00e6rlige fejl er unik for <a href=\"https:\/\/kinqsta.com\/dk\/markedsandel-global-desktop-browser\/\">Google Chrome<\/a>. Selv om du m\u00e5ske skal dykke ned i dine systemindstillinger for at l\u00f8se den, er processen ret enkel. Desuden kan det hj\u00e6lpe dig med at l\u00f8se andre problemer med din internetforbindelse.<\/p>\n<p>I denne artikel forklarer vi, hvad &#8220;ERR_TUNNEL_CONNECTION_FAILED&#8221; er, og hvad der for\u00e5rsager den. Derefter viser vi dig, hvordan du kan l\u00f8se det. Lad os komme i gang! <div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc><\/p>\n<h2>Hvad betyder &#8220;ERR_TUNNEL_CONNECTION_FAILED&#8221;?<\/h2>\n<p>En &#8220;tunnel&#8221; er en type forbindelse, der g\u00f8r det muligt at overf\u00f8re data sikkert over et netv\u00e6rk. Fejlen ERR_TUNNEL_CONNECTION_FAILED henviser typisk til et problem enten med en proxy eller et <a href=\"https:\/\/kinqsta.com\/dk\/blog\/hvad-er-dns\/\">DNS-system (Domain Name System)<\/a>. Den vises, n\u00e5r browseren ikke kan etablere en forbindelse med serveren p\u00e5 grund af problemer med tunnelen:<\/p>\n<figure style=\"width: 1380px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/tunnel-connection-failed.png\" alt=\"Fejlen \"ERR_TUNNEL_CONNECTION_FAILED\" har ofte at g\u00f8re med DNS- og proxyproblemer\" width=\"1380\" height=\"605\"><figcaption class=\"wp-caption-text\">ERR_TUNNEL_CONNECTION_FAILED<\/figcaption><\/figure>\n<p>Fejlen indikerer ikke et problem med selve internetforbindelsen. Du kan muligvis stadig <a href=\"https:\/\/kinqsta.com\/blog\/what-is-a-url\/\">f\u00e5 adgang til andre URL&#8217;er<\/a> eller bruge online-apps. Kort sagt kan det v\u00e6re, at den DNS eller proxy, du bruger, ikke kan opl\u00f8se det dom\u00e6ne, du fors\u00f8ger at bes\u00f8ge.<\/p>\n<p>Andre browsere kan ogs\u00e5 st\u00f8de p\u00e5 problemer, der forhindrer dem i at vise dig et websted. Den specifikke formulering af fejlen ERR_TUNNEL_CONNECTION_FAILED er dog unik for Google Chrome.<\/p>\n<p>Dette er et af de sj\u00e6ldne scenarier, hvor den fejlmeddelelse, der vises i browseren, ikke har meget at g\u00f8re med det underliggende problem. If\u00f8lge Chrome kan fejlen ERR_TUNNEL_CONNECTION_FAILED tyde p\u00e5, at et websted er nede eller er flyttet til en ny adresse. Det er en generisk fejlmeddelelse og afspejler ikke de reelle problemer bag den.<\/p>\n\n<h2>S\u00e5dan retter du fejlen ERR_TUNNEL_CONNECTION_FAILED (4 m\u00e5der)<\/h2>\n<p>Nogle browsere giver dig mulighed for at konfigurere proxyserveren eller DNS via deres indstillinger. Hvis du bruger Chrome, skal du dog g\u00f8re dette via dit operativsystem (OS).<\/p>\n<p>I de n\u00e6ste par afsnit viser vi, hvordan du kan fejlfinde potentielle proxy- og DNS-problemer i b\u00e5de Windows og macOS. F\u00f8r du forts\u00e6tter, anbefaler vi, at du <a href=\"https:\/\/kinqsta.com\/dk\/blog\/sadan-rydder-cache-browsere\/\">rydder browserens cache<\/a>.<\/p>\n<h3>1. Kontroller dine proxyindstillinger (og deaktiver dem om n\u00f8dvendigt)<\/h3>\n<p>Problemer med proxyservere er hoved\u00e5rsagen bag fejlen ERR_TUNNEL_CONNECTION_FAILED. Normalt kan du l\u00f8se dette problem ved at konfigurere operativsystemet til enten at registrere proxyindstillingerne automatisk eller konfigurere det til at bruge en bestemt server.<\/p>\n<p>For at g\u00f8re dette i Windows skal du \u00e5bne kommandoprompten og indtaste <strong>inetpl.cpl<\/strong>. Dette \u00e5bner vinduet til konfiguration af <strong>internetegenskaber <\/strong>. G\u00e5 til <strong>Forbindelser &gt; LAN-indstillinger<\/strong>:<\/p>\n<figure style=\"width: 1196px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/lan-settings.png\" alt=\"Windows giver dig mulighed for at \u00e6ndre dine proxyserverindstillinger til enhver tid\" width=\"1196\" height=\"578\"><figcaption class=\"wp-caption-text\">Proxyserverindstillinger i Windows<\/figcaption><\/figure>\n<p>P\u00e5 det n\u00e6ste sk\u00e6rmbillede skal du kontrollere, om Windows bruger en bestemt <a href=\"https:\/\/kinqsta.com\/blog\/proxy-vs-vpn\/\">proxyserver<\/a>. Hvis det er tilf\u00e6ldet, skal du se serveroplysningerne under <strong>Proxyserver<\/strong>.<\/p>\n<p>Som standard b\u00f8r din internetforbindelse v\u00e6re konfigureret til automatisk at registrere proxyindstillinger. Hvis denne indstilling er deaktiveret, kan du pr\u00f8ve at aktivere den midlertidigt:<\/p>\n<figure style=\"width: 1189px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/proxy-settings.png\" alt=\"Du kan konfigurere Windows til at registrere proxyindstillinger automatisk eller bruge en bestemt server\" width=\"1189\" height=\"577\"><figcaption class=\"wp-caption-text\">Registrer proxy-indstillinger automatisk<\/figcaption><\/figure>\n<p>N\u00e5r du har aktiveret den automatiske konfiguration, skal du kontrollere, om meddelelsen ERR_TUNNEL_CONNECTION_FAILED er forsvundet. Hvis fejlen forts\u00e6tter, skal du pr\u00f8ve at deaktivere b\u00e5de den automatiske proxykonfiguration og den manuelle ops\u00e6tning. Det betyder, at du skal navigere p\u00e5 nettet uden proxy.<\/p>\n<p>Hvis du bruger macOS, skal du g\u00e5 ind i Apple-menuen og navigere til <strong>Systemindstillinger &gt; Netv\u00e6rk<\/strong>. V\u00e6lg en netv\u00e6rkstjeneste i menuen til h\u00f8jre, og klik p\u00e5 <strong>Detaljer &gt; Proxies<\/strong>.<\/p>\n<p>Her kan du v\u00e6lge mellem manuel og automatisk proxykonfiguration og ogs\u00e5 deaktivere begge indstillinger:<\/p>\n<figure style=\"width: 1420px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/mac-proxy-settings.jpg\" alt=\"Adgang til MacOS proxy-indstillinger for at konfigurere dem.\" width=\"1420\" height=\"1450\"><figcaption class=\"wp-caption-text\">Konfigurer MacOS-proxyindstillinger<\/figcaption><\/figure>\n<p>Kontroller derefter, om fejlen stadig opst\u00e5r, n\u00e5r proxyen er deaktiveret. Hvis den g\u00f8r det, kan du g\u00e5 videre til n\u00e6ste trin.<\/p>\n<h3>2. Nulstil dine internetindstillinger<\/h3>\n<p>Ved at &#8220;nulstille&#8221; din internetkonfiguration mener vi, at du fornyer din computers <a href=\"https:\/\/kinqsta.com\/dk\/v\u00e6rkt\u00f8jer\/hvad-er-min-ip\/\">IP-adresse<\/a> og <a href=\"https:\/\/kinqsta.com\/dk\/blog\/flush-dns\/\">skyller den lokale DNS-cache<\/a>. Du kan l\u00e6se vores vejledning for at f\u00e5 mere at vide om, <a href=\"https:\/\/kinqsta.com\/blog\/what-is-cached-data\/\">hvordan caches fungerer<\/a>.<\/p>\n<p>Hvis du vil nulstille internetindstillingerne i Windows, skal du \u00e5bne kommandoprompten i administratortilstand og skrive f\u00f8lgende kommandoer en efter en. N\u00e5r du har skrevet hver kommando, skal du trykke p\u00e5 enter for at udf\u00f8re den og derefter g\u00e5 videre til den n\u00e6ste:<\/p>\n<pre><code>IPCONFIG \/FLUSHDNS\n\nNBTSTAT \u2013R\n\nNETSH INT IP RESET\n\nNETSH WINSOCK RESET<\/code><\/pre>\n<p>Efter den sidste kommando kan du pr\u00f8ve at genstarte Chrome for at se, om fejlen ERR_TUNNEL_CONNECTION_FAILED forts\u00e6tter. Hvis den g\u00f8r, har problemet sandsynligvis noget at g\u00f8re med <a href=\"https:\/\/kinqsta.com\/dk\/blog\/hvad-er-dns\/\">DNS-konfigurationen<\/a>.<\/p>\n<p>Desv\u00e6rre har macOS ikke en dedikeret funktion til at nulstille netv\u00e6rksforbindelsen. Det burde dog have samme effekt at slette og genindf\u00f8re dit Wi-Fi-netv\u00e6rk eller din kablede forbindelse igen.<\/p>\n<h3>3. \u00c6ndre din DNS-server<\/h3>\n<p>Som standard bruger dit operativsystem den DNS-server, der leveres af din internetudbyder (ISP). Du kan dog ogs\u00e5 konfigurere dit system til at bruge en bestemt DNS.<\/p>\n<p>Hvis du st\u00f8der p\u00e5 fejlen ERR_TUNNEL_CONNECTION_FAILED, kan problemet muligvis skyldes din nuv\u00e6rende DNS-konfiguration. Hvis du vil kontrollere denne konfiguration i Windows, skal du \u00e5bne sk\u00e6rmen <strong>Netv\u00e6rksstatus <\/strong>og v\u00e6lge <strong>Avancerede netv\u00e6rksindstillinger &gt; \u00c6ndre adapterindstillinger<\/strong>:<\/p>\n<figure style=\"width: 1274px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/change-adapter-options.png\" alt=\"Windows giver dig mulighed for at \u00e6ndre indstillingerne for enhver netv\u00e6rksforbindelse\" width=\"1274\" height=\"772\"><figcaption class=\"wp-caption-text\">\u00c6ndre indstillingerne for enhver netv\u00e6rksforbindelse<\/figcaption><\/figure>\n<p>P\u00e5 det n\u00e6ste sk\u00e6rmbillede skal du lede efter din aktive netv\u00e6rksforbindelse, h\u00f8jreklikke p\u00e5 den og v\u00e6lge <strong>Egenskaber<\/strong>. Der vises en popup-meddelelse. Her skal du v\u00e6lge <strong>Internet Protocol Version 4 (TCP\/IPv4)<\/strong> og klikke p\u00e5 <strong>Egenskaber<\/strong>:<\/p>\n<figure style=\"width: 1077px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/internet-properties.png\" alt=\"Du kan konfigurere DNS-indstillingerne for hver netv\u00e6rksforbindelse, du bruger\" width=\"1077\" height=\"565\"><figcaption class=\"wp-caption-text\">Konfigurer DNS-indstillingerne<\/figcaption><\/figure>\n<p>Dette n\u00e6ste vindue giver dig mulighed for at konfigurere IP- og DNS-indstillingerne for den aktive internetforbindelse. Som standard f\u00e5r Windows automatisk b\u00e5de en IP-adresse og en DNS-server.<\/p>\n<p>I dette eksempel bruger vi den offentlige Google DNS i stedet for standardindstillingen fra vores internetudbyder:<\/p>\n<figure style=\"width: 1131px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/dns-settings.png\" alt=\"Du kan konfigurere Windows til at registrere DNS-serveren automatisk eller bruge en specifik mulighed\" width=\"1131\" height=\"627\"><figcaption class=\"wp-caption-text\">Konfigurer Windows til at registrere DNS-serveren automatisk<\/figcaption><\/figure>\n<p>Hvis forbindelsen er konfigureret til at f\u00e5 DNS-serveren automatisk, anbefaler vi, at <a href=\"https:\/\/www.techradar.com\/news\/best-dns-server\" target=\"_blank\" rel=\"noopener noreferrer\">du bruger en offentlig DNS<\/a>. Der er masser af muligheder, herunder Cisco OpenDNS, <a href=\"https:\/\/kinqsta.com\/dk\/cloudflare-integration\/\">Cloudflare<\/a> og Google Public DNS. I nogle tilf\u00e6lde kan brugen af en offentlig DNS <a href=\"https:\/\/kinqsta.com\/learn\/page-speed\/\">forbedre indl\u00e6sningstiderne p\u00e5 din side<\/a>.<\/p>\n<p>Hvis du vil bruge en offentlig DNS, skal du indtaste serveradressen samt den alternative (dette er valgfrit, men anbefales). Hvis du allerede bruger en brugerdefineret DNS, kan du pr\u00f8ve at konfigurere forbindelsen til automatisk at hente en DNS-server.<\/p>\n<p>Opdater derefter browseren. Hvis fejlen ERR_TUNNEL_CONNECTION_FAILED forsvinder, er der muligvis et midlertidigt problem med den brugerdefinerede DNS, du bruger.<\/p>\n<h3>4. Nulstil din Chrome-installation<\/h3>\n<p>Chrome har en indstilling, der g\u00f8r det muligt at nulstille browseren til standardindstillingerne uden at skulle geninstallere den. Dette er nyttigt som en sidste udvej, hvis ingen af \u00e6ndringerne af proxy- og DNS-konfigurationen har hjulpet med at l\u00f8se problemet ERR_TUNNEL_CONNECTION_FAILED.<\/p>\n<p>Du nulstiller Chrome ved at g\u00e5 til browserens indstillinger og v\u00e6lge <strong>fanen Nulstil og ryd op<\/strong>. Indeni skal du v\u00e6lge indstillingen <strong>Gendan indstillinger til de oprindelige standardindstillinger <\/strong>.<\/p>\n<p>Chrome vil bede dig om at bekr\u00e6fte din anmodning og advare dig om, at processen vil deaktivere udvidelser og slette midlertidige data (men ikke bogm\u00e6rker):<\/p>\n<figure style=\"width: 1264px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinqsta.com\/wp-content\/uploads\/2023\/01\/reset-settings-original-chrome.png\" alt=\"Chrome giver dig mulighed for at nulstille browseren til standardindstillingerne uden at miste dine bogm\u00e6rker eller udvidelser.\" width=\"1264\" height=\"870\"><figcaption class=\"wp-caption-text\">Nulstil Chrome-indstillinger<\/figcaption><\/figure>\n<p>Klik p\u00e5 <strong>Nulstil indstillinger<\/strong>, og vent p\u00e5, at Chrome genstarter. Kontroller derefter, om fejlen ERR_TUNNEL_CONNECTION_FAILED er forsvundet.<\/p>\n<p>Hvis fejlen forts\u00e6tter, kan du m\u00e5ske tjekke, om andre browsere, f.eks. Mozilla, ogs\u00e5 returnerer en forbindelsesfejl. Hvis de g\u00f8r det, har problemet sandsynligvis noget at g\u00f8re med proxy- og DNS-indstillingerne og ikke med browseren. Det betyder, at du skal vende tilbage til de tidligere metoder og kontrollere, om du har gjort alt korrekt.<\/p>\n<h2>Hvor ellers kan fejlen &#8220;ERR_TUNNEL_CONNECTION_FAILED&#8221; forekomme?<\/h2>\n<p>Fejlen ERR_TUNNEL_CONNECTION_FAILED er unik for Google Chrome. Du kan dog ogs\u00e5 st\u00f8de p\u00e5 proxy- og DNS-serverrelaterede fejl i andre browsere. F.eks. kan fejlen <a href=\"https:\/\/kinqsta.com\/dk\/blog\/dns-server-svarer-ikke\/\">DNS Server Not Responding<\/a> (DNS-server reagerer ikke) p\u00e5virke browsere som Chrome, Safari, Firefox og Edge.<\/p>\n<p>Med hensyn til proxyfejl er et problem, du kan st\u00f8de p\u00e5, <a href=\"https:\/\/kinqsta.com\/dk\/blog\/http-fejl-407\/\">&#8220;407 Proxy Authentication Required&#8221;<\/a> (407 Proxy-godkendelse p\u00e5kr\u00e6vet). Denne fejl betyder, at de proxy-oplysninger, du bruger, ikke fungerer, eller at du ikke har konfigureret dem korrekt.<\/p>\n<p>Hvis du st\u00f8der p\u00e5 fejl i forbindelse med DNS eller proxyservere, kan du bruge nogle af de metoder, vi har gennemg\u00e5et tidligere, til at fejlfinde dem. I de fleste tilf\u00e6lde b\u00f8r det l\u00f8se problemet at \u00e6ndre DNS- eller proxykonfigurationen eller <a href=\"https:\/\/kinqsta.com\/blog\/how-does-a-vpn-work\/\">bruge et virtuelt privat netv\u00e6rk (VPN)<\/a>.<\/p>\n\n<h2>Opsummering<\/h2>\n<p>Fejlen ERR_TUNNEL_CONNECTION_FAILED kan v\u00e6re forvirrende, fordi Chrome antyder, at den m\u00e5ske har noget at g\u00f8re med nedlukning eller migrering af webstedet. Denne fejl har dog tendens til at dukke op p\u00e5 grund af konfigurationsproblemer med proxy- eller DNS-servere.<\/p>\n<p>Uanset hvilket operativsystem du bruger, er trinene til fejlfinding af denne fejl de samme. N\u00e5r du har ryddet din <a href=\"https:\/\/kinqsta.com\/blog\/google-cache\/\">Google-cache<\/a>, kan du pr\u00f8ve de l\u00f8sninger, der er anf\u00f8rt ovenfor.<\/p>\n<p>Hvis du er kunde hos Kinsta, og du l\u00f8ber ind i fejlen ERR_TUNNEL_CONNECTION_FAILED, mens du fors\u00f8ger at f\u00e5 adgang til dit websted, kan du altid kontakte os for at f\u00e5 hj\u00e6lp. <a href=\"https:\/\/kinqsta.com\/dk\/prissaetning\/\">Vores abonnementer<\/a> tilbyder support af h\u00f8jeste kvalitet til at hj\u00e6lpe med at fejlfinde eventuelle problemer, som du m\u00e5tte st\u00f8de p\u00e5!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hver gang du bes\u00f8ger et nyt websted, sender din browser foresp\u00f8rgsler til flere servere for at hente dets indhold. Disse anmodninger kan nogle gange mislykkes p\u00e5 &#8230;<\/p>\n","protected":false},"author":199,"featured_media":48359,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[682,749],"class_list":["post-48358","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-chrome-fejl","topic-hjemmeside-fejl"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ERR_TUNNEL_CONNECTION_FAILED in Chrome fejlen rettes s\u00e5dan her - Kinsta\u00ae<\/title>\n<meta name=\"description\" content=\"ERR_TUNNEL_CONNECTION_FAILED-fejlen refererer typisk til et problem med en proxy eller et Domain Name System (DNS). 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