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Certifikat 123

En kort presentation som förklarar grunderna i SSL-certifikat för systemadministratören. Webway säljer certifikat från många olika leverantörer - http://www.webway.se

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Certifikat - 1.2.3
En lathund för den som söker SSL-/TLS-certifikat
             http://www.webway.se
Vad är ett certifikat?


            • Ett elektroniskt dokument, signerat av ett företag,
                   som intygar en Internet-servers identitet.

            • Utökade certifikat (t.ex. EV) intygar också ett
                   företags identitet



© Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
Certifikat-
                                                                       dokumentet
            • I enklaste formen innehåller certifikatet serverns
                    namn
                •     www.namn.se

            • I utökade certifikat ingår också företagets namn
            • I standarden finns många fält - adress,
                    kontaktperson, bild och mycket mer

© Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
Identitet säkras
                                                med kryptonycklar
            • När du ansöker om certifikat skapas två
                    kryptonycklar
                •     En hemlig (på engelska private key)

                •     En öppen (på engelska public key)

            • Båda nycklarna används i TLS och SSL
            • Den hemliga nyckeln måste skyddas från spridning
                    på ett förtroendefullt sätt.

© Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
CSR
                                  Ansökningsblanketten
            • Engelska: Certificate Signing Request
            • Ett dokument som skapas i din server
            • Innehåller den öppna nyckeln
            • Signeras med den hemliga nyckeln
            • Skickas till den som levererar certifikat
© Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
CA
                                             -Certifikatutfärdare

            • Företag som godkänns av Microsoft, Mozilla och
                   andra som utfärdare av certifikat

            • Deras certifikat finns redan i de flesta datorerna
            • Företag Internet litar på för säkerhet

© Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.

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Certifikat 123

  • 1. Certifikat - 1.2.3 En lathund för den som söker SSL-/TLS-certifikat http://www.webway.se
  • 2. Vad är ett certifikat? • Ett elektroniskt dokument, signerat av ett företag, som intygar en Internet-servers identitet. • Utökade certifikat (t.ex. EV) intygar också ett företags identitet © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 3. Certifikat- dokumentet • I enklaste formen innehåller certifikatet serverns namn • www.namn.se • I utökade certifikat ingår också företagets namn • I standarden finns många fält - adress, kontaktperson, bild och mycket mer © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 4. Identitet säkras med kryptonycklar • När du ansöker om certifikat skapas två kryptonycklar • En hemlig (på engelska private key) • En öppen (på engelska public key) • Båda nycklarna används i TLS och SSL • Den hemliga nyckeln måste skyddas från spridning på ett förtroendefullt sätt. © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 5. CSR Ansökningsblanketten • Engelska: Certificate Signing Request • Ett dokument som skapas i din server • Innehåller den öppna nyckeln • Signeras med den hemliga nyckeln • Skickas till den som levererar certifikat © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 6. CA -Certifikatutfärdare • Företag som godkänns av Microsoft, Mozilla och andra som utfärdare av certifikat • Deras certifikat finns redan i de flesta datorerna • Företag Internet litar på för säkerhet © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 7. Ditt certifikat • Baseras på din CSR • Signeras för ett specifikt ändamål av CA • Webb, e-post, IP-telefoni, Intern-CA • Innehåller din öppna nyckel © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 8. Installation • Görs i din server • Då kontrolleras att certifikatets nyckel matchar serverns hemliga nyckel • Om servern ominstallerats sedan CSR utfärdades fungerar inte detta • Om webben flyttas, måste även hemliga nyckeln flytta med © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 9. Serverns namn är en del av certifikatet • När du skapar nycklarna måste dom vara minst 2048 bitar stora • När du skapar en CSR ska du ange serverns nodnamn, som andra kommer att uppge det • T.ex. www.namn.se, remote.namn.se, vpn.namn.se • Fältet heter ”Subject:” eller ”Common Name” © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 10. Hur gör du? • På vår webb hittar du lathundar för att skapa nycklar och en CSR samt för installation • Skapa en CSR, fyll i formuläret på vår webb och klistra in din CSR så hjälper vi dig vidare • Kontakta oss om du har frågor © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 11. Validering av domänen • För dom enklare certifikaten, som QuickSSL, skickas ett email till en fördefinierad adress i samma domän som du använt för certifikatet. • Det är för att testa om du har tillgång till domänen • E-postadressen är inte valfri, kan inte ändras. • webmaster@dindomän.se © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 12. Annat att tänka på: • Uppge gärna en funktionsadress för kontakt. Om du beställer ett 3-års certifikat kommer påminnelser om uppdatering om 3 år via e-post. Det är viktigt att det kommer fram fortfarande! • Du kan uppge flera kontaktpersoner och epostadresser • Om servern havererar under giltighetstiden kan vi ordna nytt certifikat baserat på nya nycklar © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.
  • 13. Fler frågor? • Kontakta oss på info@webway.se eller ring 08-594 788 10! © Copyright Webway AB, Sollentuna, Sweden 2012. All rights reserved.

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