IP spoofing replaces the untrusted source IP address with a fake, trusted one, to hijack connections to your network. Attackers use IP spoofing to send malware and bots to your protected network, to execute DoS attacks, or to gain unauthorized access.
Reference: http://dl3.checkpoint.com/paid/74/74d596decb6071a4ee642fbdaae7238f/ CP_R80_SecurityManagement_AdminGuide.pdf?
HashKey=1479584563_6f823c8ea1514609148aa4fec5425db2&xtn=.pdf

Explanation
esting a failover in a controlled manner using following command;
# cphaprob -d STOP -s problem -t 0 register
This will register a problem state on the cluster member this was entered on;If you then run;
# cphaprob list
this will show an entry named STOP.
to remove this problematic register run following;
# cphaprob -d STOP unregister
References:

Reference: https://supportcenter.checkpoint.com/supportcenter/portal?
eventSubmit_doGoviewsolutiondetails=&solutionid=sk25977

Section: (none)
Explanation/Reference:
Explanation:
The Identity Web API uses the REST protocol over SSL. The requests and responses are HTTP and in JSON format.
Reference: https://sc1.checkpoint.com/documents/R80.10/WebAdminGuides/EN/ CP_R80.10_IdentityAwareness_AdminGuide/html_frameset.htm?topic=documents/R80.10/ WebAdminGuides/EN/CP_R80.10_IdentityAwareness_AdminGuide/148699