History retention must be set to 40 days.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-15777	DTBF170	SV-16716r3_rule		Medium

Description
This setting specifies the number of days that Firefox keeps track of the pages viewed in the History List. If you enable this policy setting, a user cannot set the number of days that Firefox keeps track of the pages viewed in the History List. The number of days that Firefox keeps track of the pages viewed in the History List must be specified. If you disable or do not configure this policy setting, a user can set the number of days that Firefox tracks views of pages in the History List.

Description

This setting specifies the number of days that Firefox keeps track of the pages viewed in the History List. If you enable this policy setting, a user cannot set the number of days that Firefox keeps track of the pages viewed in the History List. The number of days that Firefox keeps track of the pages viewed in the History List must be specified. If you disable or do not configure this policy setting, a user can set the number of days that Firefox tracks views of pages in the History List.

STIG	Date
Mozilla Firefox STIG	2017-06-13

Details

Check Text ( C-16622r3_chk )
Type "about:config" in the address bar of the browser. Verify that the preference “browser.history_expire_days_min" is set to “40”, and locked. If the parameter for the history preference is set incorrectly, this is a finding. If the setting is not locked, this is a finding.

Fix Text (F-15994r3_fix)
Ensure the preference "browser.history_expire_days_min" is set and locked to the value of “40”.