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  2. Port knocking - Wikipedia

    en.wikipedia.org/wiki/Port_knocking

    In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received, the firewall rules are dynamically modified to allow the host which sent the connection attempts to connect over specific port(s).

  3. Network access control - Wikipedia

    en.wikipedia.org/wiki/Network_Access_Control

    Network access control is a computer networking solution that uses a set of protocols to define and implement a policy that describes how to secure access to network nodes by devices when they initially attempt to access the network. [3]

  4. 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 VLAN s.

  5. Using McAfee: Firewalls - AOL Help

    help.aol.com/articles/Using-McAfee-Firewalls

    If the Advanced Menu is enabled click the Lockdown Firewall link in the Home section. If the Basic Menu is enabled click the Lockdown Firewall link in the Common Tasks section. 3. In the Lockdown pane, click the Lockdown button. 4. Click the Yes button to confirm that you want to instantly block all inbound and outbound traffic.

  6. Context-based access control - Wikipedia

    en.wikipedia.org/wiki/Context-based_access_control

    Context-based access control (CBAC) is a feature of firewall software, which intelligently filters TCP and UDP packets based on application layer protocol session information. It can be used for intranets, extranets and internets. [1]

  7. Comparison of firewalls - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_firewalls

    Included Firewall Sophos appliance Windows-based appliance embedded firewall distribution D-Link: Proprietary: Included Firewall DFL Windows-based appliance embedded firewall distribution Endian Firewall: Proprietary: Free / Paid Linux-based appliance Forcepoint NGFW Proprietary: Included on all Forcepoint NGFW devices Proprietary operating ...

  8. 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.

  9. 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).

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