FWIW, this is what AI Copilot gave...
Disabling the ICA (Internal Certificate Authority) port on Check Point is not recommended as it is crucial for the secure communication between the Security Management Server and the Security Gateways. The ICA is responsible for issuing certificates for authentication and is an integral part of the Check Point security infrastructure.
However, if you have a specific requirement or issue, please provide more details so I can assist you better. If you need to restrict access to the ICA port, you can consider configuring firewall rules to control the traffic.