customize the list, adding or removing sites. A list of allowed sites could be created to restrict children to those specific sites. This version used application blocking rather than protocol or port filtering to control Internet access. Children could be restricted in the applications they used to access the Internet. A parental control profile could be set up for each child, and settings could be automatically configured based on their age group, whether they be a child, :teenager, adult, or administrator. Internet usage and violations were noted in a report presented to parents. PC Magazine found that enabling parental controls added a minute to a computer's boot time. Version 3.0 was released March 19, 2001. 2002 (4.0, 5.0) Version 2002 was announced on August 28, 2001. The Family Edition was dropped, so parental controls and information filtering were bundled. The installation was noted as quick and simple by both PC Magazine and CNET. Installation required a reboot, and afterwards the Security Assistant guides users through a questionnaire to best configure the service. CNET encountered a problem when upgrading from the prior release: customized settings were lost. PC Magazine found the default settings, aimed at avoiding frequent notifications, were somewhat permissive. Windows 95 support was dropped. Running a full scan compiled a list of Internet-enabled applications. Users set permissions or accepted Norton's defaults. The firewall detected and blocked port scans and logged intrusion attempts. This version did not trace attackers. To ensure rogue programs could not masquerade as trustworthy applications, Norton verifies programs against a list of digital signatures for known programs. Update Tracker warned users when hackers attempted to gain access. The firewall blocked all access attempts from Shields Up and Port Checker. This version included a wizard to simplify firewall setup to accommodate multiple computers sharing an Internet connection. With this release, Norton could prevent specified personal information from access by a compatible instant messenger client, e-mail, and websites. Ad-blocking included the Ad Trashcan, where users could place ads that escaped ad-filtering. A Professional Edition was announced December 11, 2001, aimed towards business owners. This version featured Norton Intrusion Detection, which intercepted suspicious connections and attacks, such as the Code Red worm. Intrusion Detection focused on Windows-based attacks. Central management was available. Administrators configured firewall and productivity settings for client computers. Productivity settings allowed administrators to block newsgroups, websites, and advertisements. The suite integrated with XP user accounts; settings