Firewall (computing)

In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.[1][2] A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet.[3]

  1. ^ Boudriga, Noureddine (2010). Security of mobile communications. Boca Raton: CRC Press. pp. 32–33. ISBN 978-0849379420.
  2. ^ Macfarlane, Richard; Buchanan, William; Ekonomou, Elias; Uthmani, Omair; Fan, Lu; Lo, Owen (2012). "Formal security policy implementations in network firewalls". Computers & Security. 31 (2): 253–270. doi:10.1016/j.cose.2011.10.003.
  3. ^ Oppliger, Rolf (May 1997). "Internet Security: FIREWALLS and BEYOND". Communications of the ACM. 40 (5): 94. doi:10.1145/253769.253802. S2CID 15271915.