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  • DigiCert provides five type of server certificates.

 

  • The experience of recent years shows that the server certificates are the ones requested the most. 
    if you don't know which certificate you should order, opt for Unified Communications .

  • If you are thinking to apply for SSL Plus choose instead anyway a Unified Communications and choose EV SSL Plus instead of EV Multi Domain.

  • Eschew the second (EVSSL Plus) and fourth (SSL Plus) versions. The SSL Plus versions do not support Subject Alternative Names, nor 4096 bit keys.

  • In Unified Communications it is possible to have 25 Subject Alternative Names. There are many more hundred has been successfully tested. Comodo could contain a Unified Communications certificate wildcards; by DigiCert can not unfortunately. There is asked DigiCert or that may in the future. On that question, during the migration period will almost certainly get no answer.

  • The WildCard Plus variant unfortunately has no free choice Subject Alternative Names. They are limited to one Common Name (* .an.example.nl) but the corresponding non-wild domain (an.example.nl) will be included in the certificate.

  • Make moderately use of Extended Validation certificates. Use them for your important public Web sites, but not for server-server connections and choose a policy that does justice to the terms of use .
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