Looking for logging into the Fortigate Timeout site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Fortigate Timeout site. After that you can login as usual with your login credentials.
http://help.fortinet.com/fsandbox/olh/2-5-1/Document/300_Dashboard/300_Settings/400_Change%20the%20GUI%20idle%20timeout.htm
https://help.fortinet.com/fos50hlp/54/Content/FortiOS/fortigate-hardening-54/maintain_short_login_timeouts.htm
https://help.fortinet.com/fos50hlp/54/Content/FortiOS/fortigate-hardening-54/modify_lockout_duration_threshold_values.htm
https://help.fortinet.com/fos50hlp/54/Content/FortiOS/fortigate-authentication-54/Auth_Access.htm
https://kb.fortinet.com/kb/documentLink.do?externalID=FD36716
http://help.fortinet.com/cli/fos50hlp/56/Content/FortiOS/fortiOS-cli-ref-56/config/system/session-ttl.htm
https://forum.fortinet.com/tm.aspx?m=138770
http://help.fortinet.com/fmgr/50hlp/60/6-0-1/Content/FMG-FAZ/4400_Administrators/0800_Admin%20Settings/0800_Idle%20Timeout.htm
http://help.fortinet.com/cli/fos50hlp/56/Content/FortiOS/fortiOS-cli-ref-56/config/user/setting.htm
https://kb.fortinet.com/kb/viewContent.do?externalId=FD30171
https://kb.fortinet.com/kb/documentLink.do?externalID=FD37221
https://community.spiceworks.com/topic/1512798-fortigate-100d-session-timeout