اصول-پيش-زمينه-و-firewall-10-ص

اصول-پيش-زمينه-و-firewall-10-ص

اصول-پيش-زمينه-و-firewall-10-ص

نام فایل : اصول-پيش-زمينه-و-firewall-10-ص
فرمت : .doc
تعداد صفحه/اسلاید : 7
حجم : 50 کیلوبایت
– Background and Firewall Basics Before being able to understand a complete discussion of firewalls, its important to understand the basic principles that make firewalls work. What is a network firewall? A firewall is a system or group of systems that enforces an access control policy between two or more networks. The actual means by which this is accomplished varies widely, but in principle, the firewall can be thought of as a pair of mechanisms: one which exists to block traffic, and the other which exists to permit traffic. Some firewalls place a greater emphasis on blocking traffic, while others emphasize permitting traffic. Probably the…

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