Thank you for your input Aref.This worked exactly as you outlined.

Hi Alef,If we go with your solution to use IP aliases on the PSNs and leave the authorization profile without specifying the FQDN or the IP, would this mean the following:We are unable to specify custom FQDNs for the guest portals, e.g. guest1.domain...

Hello sir, Did you manage to sort this one out?