Here are 2 annoying changes on the new Plesk 10 panel.
Plesk Panel on Virtuozzo can will take control of port 8443 (Plesk Controlpanel), where this was usually managed by your underlying Virtuozzo Hardware Node. The solution is to disable the VZPP-Plesk Port Redirection (8443), and to keep the VZPP Port Redirection (4643) active. See the “Operating Inside Parallels Container” topic.
vzctl set CT_ID –offline_management yes –offline_service vzpp –save
An alternative would be to run the Plesk Panel on an alternative port (say 18443).
Plesk Panel updates on Plesk 10 will now redirect you to the autoinstaller running in port 8447. Keep this in mind in your firewall config, to allow that port to be accessed. For a complete list of all “recommended” Plesk (8-9-10) ports, see the article “Which ports need to be opened for all Plesk services to work with a firewall?”.
And @Parallels: Don’t change these ports, as it’s not fun to keep changing firewall configs. This causes clients to upgrade and suddenly lock themselves out, because the new ports aren’t allowed by default in the firewall.
Humpf.