Session settings
There are various features that can be sued to set the session as per the following sections.
Lock sessions to the IP address from which they originated
The Lock sessions to the IP address from which they originated option is used to specify whether users' sessions are to be locked to the IP address with which they logged in.
Note
Enabling this option helps prevent the hijacking of valid user sessions by unauthorized people.
Require secure connections (HTTPS)
The Require secure connections (HTTPS) option sets whether HTTPS (instead of the less secure HTTP connection) is required to access Salesforce.
Note
This option is enabled by default and can only be disabled by sending a request to salesforce.com support.
Force relogin after Login-As-User
The Force relogin after Login-As-User option, when set, results in you having to log in again to get back into Salesforce after logging out as a logged-in user. When this is not set, you are taken to the original session after logging out as...