Please review the
Overall Requirements: https://docs.centrify.com/en/centrify/adminref/index.html#page/cloudhelp%2Fcloud-admin-install-requirements.html%23
After reading those: https://docs.centrify.com/en/centrify/adminref/index.html#page/cloudhelp%2Fcloud-admin-install-requirements-firewall.html%23ww1168098
Remember: No SSL intercepts, the connection has to be transparent.
R.P