To make changes available to all administrators, and to unlock the objects and rules that are being edited, the administrator must publish the session.
To make your changes available to other administrators, and to save the database before installing a policy, you must publish the session. When you publish a session, a new database version is created.
When you selectInstall Policy, you are prompted to publish all unpublished changes. You cannot install a policy if the included changes are not published.

Explanation/Reference:
1. Explanation:
In Clish
A. Connect to command line on Security Gateway / each Cluster member.
B. Log in to Clish.
C. Set the desired port (e.g., port 4434):
HostName> set web ssl-port <Port_Number>
D. Save the changes:
HostName> save config
E. Verify that the configuration was saved:
[Expert@HostName]# grep 'httpd:ssl_port' /config/db/initial
Reference: https://supportcenter.checkpoint.com/supportcenter/portal?
eventSubmit_doGoviewsolutiondetails=&solutionid=sk83482

Central License
A Central License is a license attached to the Security Management server IP address, rather than the gateway IP address. The benefits of a Central License are:
* Only one IP address is needed for all licenses.
* A license can be taken from one gateway and given to another.
* The new license remains valid when changing the gateway IP address. There is no need to create and install a new license.
Reference: https://sc1.checkpoint.com/documents/R76/CP_R76_Installation_and_Upgrade_Guide- webAdmin/13128.htm#o13527

Administrator Collaboration
More than one administrator can connect to the Security Management Server at the same time. Every administrator has their own username, and works in a session that isindependent of the other administrators.
When an administrator logs in to the Security Management Server through SmartConsole, a new editing session starts. The changes that the administrator makes during the session are only available to that administrator. Other administrators see a lock icon on object and rules that are being edited.
To make changes available to all administrators, and to unlock the objects and rules that are being edited, the administrator must publish the session.

Reference:https://sc1.checkpoint.com/documents/R80/CP_R80_SecMGMT/html_frameset.htm?
topic=documents/R80/CP_R80_SecMGMT/125443