… briefly examine what makes firewall management a difficult task. A firewall is typically placed
… In the case of a firewall guarding a single, homogeneous intranet (eg, a small company LAN…

Conventional firewalls rely on topology restrictions and controlled network entry points to
enforce traffic filtering. Furthermore, a firewall cannot filter traffic it does not see, so, effectively, …

… firewall … Firewall (NGFW) and its application in different layers. Section IV discusses recent
advancements in the next generation firewall and advantages of NGFW over traditional firewall…

… the sequence of rules in a firewall to be consistent, complete, and … firewall, and compactness
means that the firewall has no redundant rules. Our method starts by designing a firewall …

… Since the correctness of a firewall policy is the focus of this paper, we assume a firewall is
correct if and only if its policy is correct, and a firewall policy is correct if and only if it satisfies …

… The process of correctly configuring a firewall is complicated and prone to error, and it … A
poorly configured firewall may result in major security threats; in the case of a network firewall, …

… FIREMAN performs symbolic model checking of the firewall configurations for all possible IP
… nature of firewall configurations. FIREMAN is implemented by modeling firewall rules using …

… Although deployment of firewall technology is an important step toward … firewall policies
might limit the effectiveness of firewall security. In a single firewall environment, the local firewall …

… firewall using a firewall decision diagram instead of a sequence of often conflicting rules.
Second, a program converts the firewall … problem because a firewall decision diagram is conflict-…

… firewall that is equivalent to the firewall in Figure 1(A). Given a (possibly overlapping) one-dimensional
firewall f, we first convert it to an equivalent canonical firewall f … canonical firewall f …