Norton Personal Firewall, developed by Symantec, is a discontinued

personal firewall A personal firewall is an application which controls network traffic to and from a computer, permitting or denying communications based on a security policy. Typically it works as an application layer firewall. A personal firewall differs fr ...

with

ad blocking Ad blocking (or ad filtering) is a software capability for blocking or altering online advertising in a History of the web browser, web browser, an Application software, application or a network. This may be done using browser extensions or othe ...

, program control and privacy protection capabilities. 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. It uses a

blacklist Blacklisting is the action of a group or authority compiling a blacklist of people, countries or other entities to be avoided or distrusted as being deemed unacceptable to those making the list; if people are on a blacklist, then they are considere ...

and a

whitelist A whitelist or allowlist is a list or register of entities that are being provided a particular privilege, service, mobility, access or recognition. Entities on the list will be accepted, approved and/or recognized. Whitelisting is the reverse of ...

to determine whether the program should be allowed Internet access. The advertisement-blocking feature of this software rewrites the

HTML Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets ( ...

that one's browser uses to display

Web page A web page (or webpage) is a World Wide Web, Web document that is accessed in a web browser. A website typically consists of many web pages hyperlink, linked together under a common domain name. The term "web page" is therefore a metaphor of pap ...

s. 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 HTTP cookie (also called web cookie, Internet cookie, browser cookie, or simply cookie) is a small block of data created by a web server while a user is browsing a website and placed on the user's computer or other device by the user's web bro ...

and active content, and prevents the transmission of sensitive data through standard

POP3 In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. Today, POP version 3 (POP3) is the most commonly used version. Together with IMAP, i ...

e-mail clients,

Microsoft Office Microsoft Office, MS Office, or simply Office, is an office suite and family of client software, server software, and services developed by Microsoft. The first version of the Office suite, announced by Bill Gates on August 1, 1988, at CO ...

e-mail attachments and

Instant Messaging Instant messaging (IM) technology is a type of synchronous computer-mediated communication involving the immediate ( real-time) transmission of messages between two or more parties over the Internet or another computer network. Originally involv ...

services such as

MSN Messenger MSN Messenger (also known colloquially simply as MSN), later rebranded as Windows Live Messenger, was a Cross-platform software, cross-platform instant messaging client, instant-messaging client developed by Microsoft. It connected to the now-di ...

Windows Messenger Windows Messenger is a discontinued instant messaging client included in Windows XP. Designed for use by both corporate and home users, it was originally created, in 2001, as a streamlined and integrated version of MSN Messenger. It was upgr ...

and

AOL Instant Messenger AOL Instant Messenger (AIM, sometimes stylized as aim) was an instant messaging and presence information computer program created by AOL. It used the proprietary OSCAR protocol, OSCAR instant messaging protocol and the TOC protocol to allow us ...

without the user's consent.

References

{{Firewall software Firewall software

Personal Firewall A personal firewall is an application which controls network traffic to and from a computer, permitting or denying communications based on a security policy. Typically it works as an application layer firewall. A personal firewall differs fr ...

Gen Digital software Proprietary software

See also

References