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Firefox is not configured to provide warnings when a user switches from a secure (SSL-enabled) to a non-secure page.


Overview

Finding ID Version Rule ID IA Controls Severity
V-15989 DTBF130 SV-16931r1_rule Medium
Description
Users may not be aware that the information being viewed under secure conditions in a previous page are not currently being viewed under the same security settings.
STIG Date
Mozilla Firefox STIG 2017-06-13

Details

Check Text ( C-16629r1_chk )
Type "about:config" in the browser window. Verify that the preference name “security.warn_leaving_secure" is set to “true” and locked.

Criteria: If the parameter is set incorrectly, then this is a finding. If the setting is not locked, then this is a finding.
Fix Text (F-16003r1_fix)
Ensure the preference “security.warn_leaving_secure" is set to “true” and locked on this setting.