Chapter 5. Domains

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5.1. Introduction to Domains

An OpenShift Enterprise domain forms part of an application's URL and is unique to an account. The syntax for an application URL is Each user name supports a single domain, but you can create multiple applications within the domain. Note that a domain must be created before you can create an application.
An OpenShift Enterprise blacklist restricts the domain names that are available. A warning message informs you if a blacklisted domain name has been selected when you attempt to create a domain.
Domain names consist of a maximum of 16 alphanumeric characters and cannot contain spaces or symbols.
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