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Zaštitni zid

Pojednostavljen prikaz funkcije jednog hardverskog firewalla; Crvene nule i jedinice su štetni kod, dok su zelene nule i jedinice ono što korisnik stvarno hoće da vidi na računaru

Zaštitni zid ili fajerval[1] (engl. firewall) je dio hardvera koji u sklopu računarske mreže ima mogućnost da spriječi nepropisni prijenos podataka preko mreže koji je zabranjen od strane siguronosne police. Firewall ima zadatak da kontroliše protok podataka između različitih zona u računarskoj mreži.[2] Obično se Internet zona smatra nesigurnom, dok se lokalna mreža smatra relativno sigurnom. Najbitniji cilj je ostvarivanje normalnog odnosa između ove dvije zone tako da jedna ne naškodi drugoj. U najčešćem slučaju firewall se brine da na računar ne dospije štetni kod sa interneta.[3]

Također pogledajte

[uredi | uredi izvor]

Reference

[uredi | uredi izvor]
  1. ^ http://www.microsoft.com/language/en-us/Search.aspx?sString=firewall&langID=bs-Latn-ba Microsoft Terminology Collection and Translations in Localized Microsoft Products for Bosnian
  2. ^ Boudriga, Noureddine (2010). Security of mobile communications. Boca Raton: CRC Press. str. 32–33. ISBN 978-0849379420.
  3. ^ Oppliger, Rolf (maj 1997). "Internet Security: FIREWALLS and BEYOND". Communications of the ACM. 40 (5): 94. doi:10.1145/253769.253802. S2CID 15271915.
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Zaštitni zid
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