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Can I order an SSL/TLS certificate for an IP address?

Is is possible to protect an IP address with an SSL/TLS certificate? Yes, but only under certain circumstances:

Support for IP addresses in multi-domain certificates is limited in Windows versions before 10:
  • Windows 8.1 and earlier will not support SSL certificates that specify an IP address as a Subject Alternative Name (SAN), but will support an IP address as the Common Name (CN).
  • Windows 10 will support an IP address as a SAN or the CN.
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