Knowledge Base

Use Private TLS/SSL certificates to secure private and public domains and IP addresses.

Domains you can secure with Private TLS/SSL certificates

• Private IP addresses
  A private IP address is a range of non-internet-facing IP addresses. Private TLS/SSL certificates can secure private IPv4 and IPv6 addresses.
  • Private IPv4 addresses in the RFC 1918 range (e.g., 10.0.0.0, 192.168.0.0)
  • Private IPv6 addresses in the RFC 4193 range
    
    
• Public IP addresses
  A public IP address is a globally routable IP address. Private TLS/SSL certificates can secure public IPv4 and IPv6 addresses.
  
  
• Public domains (e.g., example.com)
  
  
• Wildcard domains (e.g., *.example.com)
  Private TLS/SSL certificates can secure wildcard hostnames (e.g., *.example.com). However, you cannot secure the top-level wildcard domain (TLD) (e.g., *.com or *.org).
  
  
• Internal server names
  An internal server name is a hostname that is not resolvable using the Public DNS. Private TLS/SSL certificates can secure any internal server name.
  • Server name with a non-public domain name suffix (e.g., example.local)
  • Short hostnames and NetBIOS names (e.g., localhost)