Rahul Sharma (Editor)

Subject Alternative Name

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Subject Alternative Name

Subject Alternative Name (SAN) is an extension to X.509 that allows various values to be associated with a security certificate using a subjectAltName field. These values are called "Subject Alternative Names" (SANs). Names include:

  • Email addresses
  • IP addresses
  • URIs
  • DNS names (This is usually also provided as the Common Name RDN within the Subject field of the main certificate.)
  • directory names (alternative Distinguished Names to that given in the Subject)
  • other names, given as a General Name: a registered Object identifier followed by a value

    • References

    Subject Alternative Name Wikipedia
    (Text) CC BY-SA


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