You can
Step6 If you want to allow CiscoSecure ACS to use any valid TCP port for administrative sessions, under HTTP Port Allocation, select the Allow any TCP ports to be used for Administration HTTP Access option.
Step7 If you want to allow CiscoSecure ACS to use only a specified range of TCP ports for administrative sessions, follow these steps:
a. Under HTTP Port Allocation, select the Restrict Administration Sessions to the following port range From Port X to Port Y option.
b. In the X box type the lowest TCP port (up to 5 characters) in the range.
c. In the Y box type the highest TCP port (up to 5 characters) in the range.