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

Dns entry in the subject alternative name extension
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