device or a program that is used to stop unwanted codes and data from entering a computer. Unwanted is blocked but other data is allowed to come through.
FIREWALL: "A firewall can stop a virus from getting into your computer."
Cite this page: N., Sam M.S., "FIREWALL," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/firewall/ (accessed July 3, 2022).