An Information Security Engineering Framework For Modeling Packet Filtering Firewall Using Neutrosophic Petri Nets
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An Information Security Engineering Framework for Modeling Packet Filtering Firewall Using Neutrosophic Petri Nets
Author: Jamal Khudair Madhloom
language: en
Publisher: Infinite Study
Release Date: 2023-01-01
Due to the Internet’s explosive growth, network security is now a major concern; as a result, tracking network traffic is essential for a variety of uses, including improving system efficiency, fixing bugs in the network, and keeping sensitive data secure. Firewalls are a crucial component of enterprise-wide security architectures because they protect individual networks from intrusion. The efficiency of a firewall can be negatively impacted by issues with its design, configuration, monitoring, and administration. Recent firewall security methods do not have the rigor to manage the vagueness that comes with filtering packets from the exterior. Knowledge representation and reasoning are two areas where fuzzy Petri nets (FPNs) receive extensive usage as a modeling tool. Despite their widespread success, FPNs’ limitations in the security engineering field stem from the fact that it is difficult to represent different kinds of uncertainty. This article details the construction of a novel packet-filtering firewall model that addresses the limitations of current FPN-based filtering methods. The primary contribution is to employ Simplified Neutrosophic Petri nets (SNPNs) as a tool for modeling discrete event systems in the area of firewall packet filtering that are characterized by imprecise knowledge. Because of SNPNs’ symbolic ability, the packet filtration model can be quickly and easily established, examined, enhanced, and maintained. Based on the idea that the ambiguity of a packet’s movement can be described by if–then fuzzy production rules realized by the truth-membership function, the indeterminacy-membership function, and the falsity-membership functional, we adopt the neutrosophic logic for modelling PN transition objects. In addition, we simulate the dynamic behavior of the tracking system in light of the ambiguity inherent in packet filtering by presenting a two-level filtering method to improve the ranking of the filtering rules list.
Firewall Fundamentals and Security Engineering
"Firewall Fundamentals and Security Engineering" "Firewall Fundamentals and Security Engineering" is a comprehensive resource that equips professionals and students with a deep understanding of firewall technologies in today’s complex IT environments. The book systematically covers the foundational architectures of firewalls, including traditional packet filters, stateful inspection, proxy-based solutions, and next-generation models, while situating them within the broader context of network security. By exploring the evolution of firewalls, their functional roles among other critical defenses, and deployment across physical, virtual, and cloud-native infrastructures, readers gain both historical context and cutting-edge insight into how firewalls underpin modern cybersecurity. Moving beyond architecture, the text delves into the technical intricacies of packet processing, inspection strategies, and the engineering of robust security policies. Readers will master advanced rule set design, conflict resolution, automated policy enforcement, application-layer filtering, and deep packet inspection—all vital for defending against sophisticated threats and maintaining regulatory compliance. Topics such as identity integration, content filtering, encrypted traffic analysis, and techniques to detect and respond to evasive attacks are explained in detail, empowering practitioners to address practical challenges in real-world settings. The book further explores advanced security engineering, cloud and microservices architectures, monitoring and incident response, and the ever-evolving legal and regulatory landscape. Coverage of emerging trends—such as AI-driven adaptive firewalls, Zero Trust models, post-quantum cryptography, and ethical considerations—ensures readers are prepared for the future of firewall technology. With its rigorous technical depth and practical focus, "Firewall Fundamentals and Security Engineering" is an indispensable guide for network architects, security engineers, and IT managers striving to build, manage, and future-proof resilient network defenses.
Network Security, Firewalls, and VPNs
Author: Denise Kinsey
language: en
Publisher: Jones & Bartlett Learning
Release Date: 2025-07-10
Network Security, Firewalls, and VPNs, Fourth Edition, offers a comprehensive, vendor-neutral introduction to network security, covering firewalls, intrusion detection and prevention systems, and VPNs. Written in a clear and engaging style, the text transitions smoothly from basic principles to advanced topics, incorporating real-world examples and practical applications. Readers will find definitions, operational explanations, and examples that foster a solid understanding of how these technologies function and integrate within networks. The Fourth Edition has been completely rewritten to reflect current technologies and practices, with expanded coverage of SIEM, SOAR, SOC implementation, cloud security, and cryptography uses and protections. It includes hands-on labs and exercises to help readers practice concepts directly. Aligned with the NIST NICE Framework and NSA CAE knowledge units, this edition is well-suited for IT, networking, information systems, and cybersecurity programs. Features and Benefits Rewritten to seamlessly integrate baseline network technologies with new tools for a complete, up-to-date security resource Offers expanded coverage of SIEM, SOAR, SOC implementation, cloud security, and cryptography uses and protections Includes step-by-step, hands-on exercises that help readers apply concepts and build a strong, practical understanding Aligns to NIST NICE Framework v2.0.0 work roles and fully covers NSA CAE Knowledge Units (KUs) for curriculum alignment Provides vendor-neutral, real-world examples to help demonstrate application across devices, systems, and network setups Instructor resources include: Test Bank, PowerPoint Slides, Sample Syllabi, Instructor Manual, Answers to Labs, and more Available with updated cybersecurity Cloud Labs, which provide realistic, hands-on practice that aligns with course content