Definitions for "Firewalls"
A computer device and/or software that separates a Local Area Network from a Wide Area Network and prevents unauthorized access to the Local Area Network through the use of electronic security mechanisms such as IP filtering, address remapping, etc.
Firewalls are systems designed to prevent unauthorized access to or from a private network. They are often used to prevent Internet users from accessing private networks connected to the Internet.
Special computers that are set up on a network to prevent entry to outsider/intruders from stealing or destroying confidential files
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Keywords:  bumps, speed
Speed bumps