Norton Personal Firewall program control module is able to allow or deny individual applications access to the Internet.

Programs are automatically allowed or denied Internet access by Norton Personal Firewall.

[1] The advertisement-blocking feature of this software rewrites the HTML that one's browser uses to display Web pages.

It searches for code related to advertisements against a blacklist and prevents the web page from being displayed.

The Privacy Control component blocks browser cookies and active content, and prevents the transmission of sensitive data through standard POP3 e-mail clients, Microsoft Office e-mail attachments and Instant Messaging services such as MSN Messenger, Windows Messenger and AOL Instant Messenger without the user's consent.