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Computer Security Resource Center

Computer Security Resource Center

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Personal Firewall

Abbreviation(s) and Synonym(s):

None

Definition(s):

  A software application residing on a client device that increases device security by offering some protection against unwanted network connections initiated by other hosts. Personal firewalls may be client managed or centrally managed.
Source(s):
NIST SP 800-127 under Personal firewall [Withdrawn]

  A software-based firewall installed on a desktop or laptop computer to monitor and control its incoming and outgoing network traffic.
Source(s):
NIST SP 800-41 Rev. 1

  A utility on a computer that monitors network activity and blocks communications that are unauthorized.
Source(s):
NIST SP 800-69 [Withdrawn]

  A software program that monitors communications between a PC and other computers and blocks communications that are unwanted.
Source(s):
NIST SP 800-114 [Superseded]