For security reasons, in order to use the Studio Server for Remote Debugger and Profiler, the user must first be configured as an authorized user on the Zend Server Center. Only authorized IP addresses can access the Zend Server Center. All other IP addresses will be denied access.
To define an allowed user:
Log on to Zend Server Center as Administrator from a permitted IP address.
Open the Security Settings screen.
In the Manage IP Permissions tab, add the IP address that you want to allow to access the Remote Debugger to the Allowed Host List.
Verify that the IP address you want to allow to access the Remote Debugger does not appear on the Denied Host List. (If it is on ...