Details

The Pop-up Blocker is used to block Pop-ups which a website might open with or without any user interaction. These Pop-Ups can be used to open un-trusted malicious content.

By enabling the Pop-up blocker, all Pop-ups will be blocked which will guard a user against any attacks launched using a Pop-up.

Solution

Perform the following procedure:

* Open the mozilla.cfg file in the installation directory with a text editor

* Add the following lines to mozilla.cfg:

lockPref(“privacy.popups.policy”, 1);

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/1158

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-6b.

Source

• Tenable.com/audits