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  2. Firewall (computing) - Wikipedia

    en.wikipedia.org/wiki/Firewall_(computing)

    In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on configurable security rules. [1] [2] A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet, [3] or between several VLANs.

  3. Firewalls and Internet Security - Wikipedia

    en.wikipedia.org/wiki/Firewalls_and_Internet...

    Firewalls and Internet Security: Repelling the Wily Hacker is a 1994 book by William R. Cheswick and Steven M. Bellovin that helped define the concept of a network firewall. [ 1 ] [ 2 ] Describing in detail one of the first major firewall deployments at AT&T , the book influenced the formation of the perimeter security model, which became the ...

  4. Internet security - Wikipedia

    en.wikipedia.org/wiki/Internet_security

    A computer firewall controls access to a single computer. A network firewall controls access to an entire network. A firewall is a security device — computer hardware or software — that filters traffic and blocks outsiders. It generally consists of gateways and filters. Firewalls can also screen network traffic and block traffic deemed ...

  5. Next-generation firewall - Wikipedia

    en.wikipedia.org/wiki/Next-generation_firewall

    A next-generation firewall (NGFW) is a part of the third generation of firewall technology, combining a conventional firewall with other network device filtering functions, such as an application firewall using in-line deep packet inspection (DPI) and an intrusion prevention system (IPS).

  6. McAfee: About firewall protection - AOL Help

    help.aol.com/articles/mcafee-about-firewall...

    Firewall offers a number of methods to manage your security and to tailor the way you want to respond to security events and alerts. After you install Firewall for the first time, your level of protection is set to Outgoing Access security. For most, this setting meets all their security needs.

  7. Firewall - Wikipedia

    en.wikipedia.org/wiki/Firewall

    Firewall may refer to: Firewall (computing) , a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts Firewall (construction) , a barrier inside a building, designed to limit the spread of fire, heat and structural collapse

  8. SonicWall - Wikipedia

    en.wikipedia.org/wiki/SonicWall

    SonicWall is an American cybersecurity company that sells a range of Internet appliances primarily directed at content control and network security.These include devices providing services for network firewalls, unified threat management (UTM), virtual private networks (VPNs), virtual firewalls, SD-WAN, cloud security and anti-spam for email.

  9. Disable third-party firewall software - AOL Help

    help.aol.com/articles/disable-third-party...

    3. Click Check firewall status. 4. In the left panel, under Control Panel Home, click Turn Windows Firewall on or off. 5. Under Customize settings for each type of network, in the Home or network (private) network location settings section, select the Turn off Windows Firewall (not recommended) option. 6.

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