Reference Guide
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HTTP Proxy
Allow HTTP Proxy Access to SubDomains
users may require access not only to the main internet domains defined as devices but also to their associated subdomains however, certain customers prefer to restrict access to subdomains, allowing users to access only the specified main domain with this parameter http proxy allow\ sub domain access , users can be granted or restricted access to all subdomains related to the domain if the http proxy allow\ sub domain access parameter in the /pam/http/conf/http proxy properties file is set to true the subdomains of the domain defined in the device definition will be accessible according to the above definition, the https //login pega com subdomain can be accessed from a browser if the http proxy allow\ sub domain access parameter in the /pam/http/conf/http proxy properties file is set to false, the subdomains cannot be reached (according to the above example, the link https //login pega com cannot be accessed)