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Lesson 14: Windows Firewall

Presentation slides are here

Objectives
  • Configure rules for multiple profiles using Group Policy
  • Configure connection security rules
  • Configure Windows Firewall to allow or deny applications, scopes, ports, and users
  • Configure authenticated firewall exceptions
  • Import and export settings
Vocabulary
firewall: A software routine that acts as a virtual barrier between a computer and the attached network. A firewall is essentially a filter that enables certain types of incoming and outgoing traffic to pass through the barrier, while blocking other types.

port numbers: In TCP/IP communications, the code numbers embedded in transport layer protocol headers that identify the applications that are generated and will receive a particular message. The most common firewall rules use port numbers to specify the types of application traffic the computer is allowed to send and receive.

tunneling: A networking technique in which one protocol is encapsulated within another protocol. In virtual private networking (VPN), an entire client/server session is tunneled within another protocol. Because the internal, or payload, protocol is carried by another protocol, it is protected from most standard forms of attack. 
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