Perhaps most businesses can also do so, with assistance from their provider. Thus, for the single-desktop residential broadband user, personal firewall software use is growing. These should be accompanied by a short booklet explaining why both are so important to the home user. Many personal firewalls start with packet filters that block incoming traffic while enabling outgoing traffic. Most personal firewalls provide an activity log to alert the user to attempted intrusions.
Some products add pop-ups or email notifications.
Once you've given subscribers the ability to detect intruders, it's important to help them separate innocuous door-rattling from noteworthy events. Many personal firewalls are bundled with other security tools. For consumer privacy, Norton Personal Firewall blocks web sites from depositing unwanted cookies. Zone Alarm scans email attachments. Do whatever you can to make sure that most subscribers will be satisfied with your firewall's default settings.