{"id":4309,"date":"2020-10-30T21:40:07","date_gmt":"2020-10-30T20:40:07","guid":{"rendered":"https:\/\/webhosting.de\/?p=4309"},"modified":"2020-10-30T21:40:07","modified_gmt":"2020-10-30T20:40:07","slug":"ip-adresse","status":"publish","type":"post","link":"https:\/\/webhosting.de\/da\/ip-adresse\/","title":{"rendered":"IP-adresse"},"content":{"rendered":"

Her forklarer vi de mest stillede sp\u00f8rgsm\u00e5l om IP-adresser og viser, hvordan du kan finde din egen IP-adresse.<\/p>\n

Hvad er en IP-adresse, og hvad bruges den til?<\/h2>\n

En IP-adresse er en individuel kombination af tal. P\u00e5 samme m\u00e5de som enhver telefon har brug for et telefonnummer og ethvert hus har brug for en gadeadresse, har enhver computer ogs\u00e5 brug for et unikt identifikationsnummer. S\u00e5 snart en forbindelse til den Internet<\/a> Der tildeles en IP-adresse til hver enhed. Takket v\u00e6re IP-adressen kan hver enhed identificeres og kontaktes. Smartphones, tablets og andre enheder, der opretter forbindelse til internettet, f\u00e5r ogs\u00e5 en IP-adresse. Forkortelsen IP st\u00e5r for \"Internet Protocol\", og denne netv\u00e6rksstandard er en slags internationalt lingua franca for computere.<\/p>\n

Hvordan er en IP-adresse opbygget?<\/h3>\n

Alle IP-adresser<\/a> f\u00f8lge et ensartet m\u00f8nster. Der findes i \u00f8jeblikket to standarder, IPv4 og IPv6. Adresser i henhold til IPv4-standarden best\u00e5r af fire tal i intervallet fra 0 til 255 og har maksimalt 12 tal. Eksempel: \"81.9.255.72\". Numrene er adskilt fra hinanden med en prik. Da der imidlertid kun kan dannes et begr\u00e6nset antal kombinationer med IPv4-systemet, dannes IP-adresser i stigende grad i overensstemmelse med den nye IPv6-standard. Adresser i det nye format best\u00e5r af otte blokke af otte tegn, der er adskilt af kolon og indeholder b\u00e5de bogstaver og tal. Beispiel: \u201e2001:0db3:85a8:0000:0000:8a2e:0370:7334\u201c. Hvis IP-adressen i IPv6-standarden har mange nuller, kan disse erstattes af et ekstra kolon.<\/p>\n

Hvordan kan du finde ud af din egen IP-adresse?<\/h3>\n

Du kan hurtigt finde ud af din egen IP-adresse p\u00e5 internettet. Websteder som \"http:\/\/fssecure.t-online.de\/service\/ip\/\" eller \"eigene-IP.de\" viser den inden for f\u00e5 sekunder. I de fleste tilf\u00e6lde har en enhed ogs\u00e5 en anden IP-adresse, nemlig IP-adressen for sit eget netv\u00e6rk i hjemmet. Disse interne adresser starter typisk med \"192\" og kan afl\u00e6ses direkte p\u00e5 computeren ved hj\u00e6lp af \"ipconfig\"-prompten (Windows 7 og 10).<\/p>\n

Hvad afsl\u00f8rer IP-adressen om brugeren?<\/h3>\n

En IP-adresse afsl\u00f8rer, hvor en bruger befinder sig, og hvilken internetudbyder der anvendes. Det kan s\u00e5ledes antages, at en kunde hos den Telecom<\/a> har en IP-adresse, der begynder med 212, 81 eller 91. Placeringen bestemmes via den s\u00e5kaldte dial-up node. Som regel er dette h\u00f8jst et par kilometer v\u00e6k, i byomr\u00e5der t\u00e6ttere. Det betyder, at geolokalisering er relativt pr\u00e6cis.<\/p>\n

Desuden kan internetudbyderne n\u00f8jagtigt spore datastr\u00f8mmen for hver enkelt kunde og se, hvad der s\u00f8ges efter p\u00e5 nettet, hvilke websteder der bes\u00f8ges, eller hvilke filer der downloades. I henhold til den g\u00e6ldende lovgivning er internetudbydere imidlertid forpligtet til at slette alle historikdata efter afslutningen af en internetsession. Oplysningerne om, hvilken IP-adresse der tilh\u00f8rer hvilken kunde, kan ogs\u00e5 gemmes i h\u00f8jst syv dage. I denne periode kan der indhentes en retskendelse for at f\u00e5 oplyst den p\u00e5g\u00e6ldende brugers bop\u00e6lsadresse og kontaktoplysninger. Dog kun i tilf\u00e6lde af begrundet mistanke, f.eks. hvis der deles ophavsretligt beskyttet materiale via et fildelingssite eller downloades b\u00f8rneporno. Generelt beholder en kunde kun sin IP-adresse i den tid, en internetsession varer; n\u00e6ste gang han ringer ind, f\u00e5r han en ny IP-adresse. IP-adressen \u00e6ndrer sig s\u00e5ledes konstant, da den tildeles dynamisk af internetudbyderen.<\/p>\n

Kan du skjule din egen IP-adresse?<\/h3>\n

Det er ikke muligt at skjule din IP-adresse fuldst\u00e6ndigt. Der findes dog programmer som JAP eller Tor, der kan bruges til at skjule dine egne internetaktiviteter. Brugen af s\u00e5danne tjenester kan dog s\u00e6nke internethastigheden.<\/p>","protected":false},"excerpt":{"rendered":"

Hier kl\u00e4ren wir die h\u00e4ufigsten Fragen zum Thema IP-Adresse und zeigen, wie sich die eigene IP-Adresse herausfinden l\u00e4sst. Was ist eine IP-Adresse und wozu dient sie? Eine IP-Adresse ist eine individuelle Zahlenkombination. \u00c4hnlich wie jedes Telefon eine Telefonnummer und jedes Haus eine Stra\u00dfenanschrift braucht, ben\u00f6tigt auch jeder Computer eine einzigartige Identifikationsnummer. Sobald eine Verbindung zum 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