Overview#Subject Alternative Name (subjectAltName or SAN) attribute is an extension to X.509 that allows additional Certificate Subject names to be associated with certificate.
Subject Alternative Name MAY include:
- Email addresses
- IP addresses
- DNS names (alternatives to the Common Name)
- directory names (alternatives to the Distinguished Names)
- other objects, given as a registered Object Identifier followed by a value
More Information#There might be more information for this subject on one of the following:
- Certificate Subject
- Certificate Validation
- Example Certificate
- OpenSSL Commands
- Site Certificate
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