After choosing “Add”, you will see the proxy deny rule settings window. In this window there are the following fields:
By default all fields are empty except the “Action” field (Deny access) and suggests that it's set to “all”, meaning that if you create a default proxy deny rule and apply it to a user or a group, the proxy server will block all user's or group's http, https and ftp communication that go through it completely. You can check what values are acceptible when you place the cursor on the field, or you can choose a value from the drop-down list containing the objects that are already known to ICS CUBE.
The “method” field defines the main operation that will be performed. You can find more information about methods of requesting a web-resource in https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol.
The “action” field allows to choose a response for a reply that user will see: a) “Access denied” or “display a message”, the user will see the ICS CUBE logo and a message - either “Access denied” or the one the administrator will specity b) “Redirect to an address” - the connection will be redirected to the specified address