{"id":4234,"date":"2020-10-30T23:06:55","date_gmt":"2020-10-30T22:06:55","guid":{"rendered":"https:\/\/webhosting.de\/?p=4234"},"modified":"2020-10-30T23:06:55","modified_gmt":"2020-10-30T22:06:55","slug":"dynamic-dns","status":"publish","type":"post","link":"https:\/\/webhosting.de\/sv\/dynamischer-dns\/","title":{"rendered":"Dynamisk DNS"},"content":{"rendered":"

F\u00f6r att kunna anv\u00e4nda Internet p\u00e5 hemdatorn eller det egna hemman\u00e4tet n\u00e4r man \u00e4r p\u00e5 resande fot m\u00e5ste man ha en fast Internetadress. D\u00e4rf\u00f6r finns det m\u00e5nga dynamiska DNS-tj\u00e4nster som g\u00f6r det enklare att hitta r\u00e4tt Internetadress.<\/p>\n

Vad \u00e4r en dynamisk DNS?<\/h2>\n

N\u00e4r du ansluter till Internet med din router f\u00e5r du ett meddelande fr\u00e5n din leverant\u00f6r. IP-adress<\/a> tilldelas. IP-adressen skickas automatiskt med ett utg\u00e5ende datapaket som avs\u00e4ndaridentifiering. P\u00e5 s\u00e5 s\u00e4tt kan servern p\u00e5 andra sidan veta vart de beg\u00e4rda datapaketen \u00e4r p\u00e5 v\u00e4g. Uppgifter<\/a> ska s\u00e4ndas. Med privat Internet\u00e5tkomst tilldelar uppringningsnoden hos din leverant\u00f6r en annan IP-adress till datorn eller routern f\u00f6r varje anslutning. Detta g\u00e4ller \u00e4ven om du uppr\u00e4tth\u00e5ller en anslutning i 24 timmar. Din leverant\u00f6r kopplar automatiskt bort anslutningen efter 24 timmar och tilldelar en ny IP-adress.<\/p>\n

En permanent adress f\u00f6r ditt hemn\u00e4tverk<\/h3>\n

M\u00e5nga leverant\u00f6rer erbjuder fasta IP-adresser. En viss avgift tas ut f\u00f6r detta. Ett kostnadsfritt alternativ \u00e4r en dynamisk DNS-tj\u00e4nst. Med detta formul\u00e4r f\u00e5r du en fast adress. Denna adress \u00e4r tillg\u00e4nglig f\u00f6r dig i form av en underdom\u00e4n. M\u00e5nga routrar kan konfigureras p\u00e5 ett s\u00e5dant s\u00e4tt att de kan informera respektive DNS-tj\u00e4nst om den nya adressen beroende p\u00e5 uppringningen till Internet. Det \u00e4r dock ocks\u00e5 m\u00f6jligt att datorn kan st\u00e4llas in av n\u00e4tverket f\u00f6r att ta \u00f6ver denna uppgift. F\u00f6r detta kr\u00e4vs dock att apparaten \u00e4r permanent p\u00e5slagen.<\/p>\n

F\u00f6rdelar med dynamisk DNS<\/h3>\n

F\u00f6r att utrusta en dator f\u00f6r dynamisk DNS m\u00e5ste du f\u00e5 information fr\u00e5n Hemsidan<\/a> f\u00f6r den valda DNS-tj\u00e4nsten kan ett motsvarande verktyg laddas ner. Verktyget installeras p\u00e5 datorn. P\u00e5 s\u00e5 s\u00e4tt \u00f6verf\u00f6rs IP-adressen direkt till respektive tj\u00e4nst om den \u00e4ndras. Med DNS-tj\u00e4nsten kan du f\u00e5 tillg\u00e5ng till hemman\u00e4tverket n\u00e4r som helst, \u00e4ven n\u00e4r du \u00e4r p\u00e5 resande fot. Naturligtvis har du ocks\u00e5 m\u00f6jlighet att f\u00e5 tillg\u00e5ng till de dokument som finns lagrade p\u00e5 hemdatorn fr\u00e5n kontoret. Omv\u00e4nt \u00e4r det en barnlek att lagra foton som du tog p\u00e5 semestern direkt i ditt hemn\u00e4tverk. Fj\u00e4rr\u00e5tkomst till ditt eget n\u00e4tverk \u00e4r d\u00e4rf\u00f6r mycket anv\u00e4ndbart p\u00e5 m\u00e5nga omr\u00e5den.<\/p>\n

Vad betyder DNS?<\/h3>\n

DNS \u00e4r en f\u00f6rkortning f\u00f6r Dynamic Domain Name Service. Med hj\u00e4lp av en DNS-tj\u00e4nst kan du n\u00e5s fr\u00e5n n\u00e4tverket med ett fast dom\u00e4nnamn \u00e4ven om IP-adressen till routern hemma \u00e4ndras. Vanligtvis \u00e4r en router ansluten till Internet hemma via en DSL-anslutning. Det st\u00f6rsta problemet med detta \u00e4r att routern inte bara kopplas bort automatiskt efter 24 timmar, utan ocks\u00e5 ofta. Detta leder ocks\u00e5 till att routerns offentliga IP-adress \u00e4ndras. D\u00e4rf\u00f6r kan du aldrig veta fr\u00e5n kontoret under vilken IP-adress du f\u00f6r n\u00e4rvarande kan n\u00e5 din router. Endast med en DNS-tj\u00e4nst kan du l\u00f6sa detta problem. P\u00e5 s\u00e5 s\u00e4tt skickar routern den aktuella IP-adressen till DNS-servern n\u00e4r anslutningen har uppr\u00e4ttats. Om DNS-servern k\u00e4nner igen routerns IP-adress kan den uppr\u00e4tta en anslutning via den konfigurerade underdom\u00e4nen. Tj\u00e4nsten vidarebefordrar alltid dina f\u00f6rfr\u00e5gningar direkt till den aktuella IP-adressen, s\u00e5 att du alltid \u00e4r uppdaterad.<\/p>","protected":false},"excerpt":{"rendered":"

Damit das Internet auf dem heimischen PC oder das eigene Heimnetz auch unterwegs genutzt werden kann, muss eine feste Internet-Adresse vorhanden sein. Aus diesem Grund gibt es zahlreiche dynamische DNS-Dienste, die das Herausfinden der richtigen Internet Adresse vereinfachen. Was ist ein dynamischer DNS? Immer dann, wenn Sie mit Ihrem Router eine Internet Verbindung herstellen, dann 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