Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 46 for “"Firewall"”.
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Firewall Policy Optimization and Management
Firewalls enforce a security policy by inspecting packets arriving or departing a network. This is accomplished by sequentially comparing the policy rules with the header of an arriving packet until the first match is found. This process becomes time consuming as policies become larger and more …
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Firewall-Architekturen für Multimedia-Applikationen
In this thesis on Firewall Architectures for Multimedia Applications solutions are developed and discussed that enable the usage of multimedia applications in network environments where firewalls are employed. The provided solutions cover optimizations of existing firewall architectures as well as …
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FireViz : a personal firewall visualizing tool
In this thesis, I present FireViz, a personal firewall visualizing tool. FireViz visually displays activities of a personal firewall in real time. The primary goal of FireViz is to educate typical computer users of the security threats their computers are exposed to when connected to a network and …
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Reverse HTTP tunneling for firewall traversal
… that allows a web browser from outside a firewall to access a web server inside a firewall. Reverse HTTP utilizes pre-existing proxy services to create a transparent and scalable method to tunnel through a firewall. Reverse HTTP provides an excellent solution to the problem of providing …
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Estudio e implementación de un Firewall DNS
… la implementación de productos de seguridad como firewalls o programas antivirus, pero, sin embargo, el protocolo DNS es comúnmente dejado de lado. Debido a que este protocolo se utiliza en prácticamente todas las interacciones de la navegación web, se propone el estudio e implementación de un …
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Guarda: A web application firewall for WebAuthn transaction authentication
… changes. This thesis presents Guarda, a firewall for integrating transaction authentication into a new or existing web service with relatively few code changes. The firewall intercepts all HTTP traffic sent to the web service, and based on the configuration, any requests deemed safe are …
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Design and Implementation of Firewall to Inspect Traffic in Encrypted VPN Tunnels
… in public lines. We have built various kinds of firewalls which can inspect traffic at layer 2, 3, 4 and 7 of OSI model. These firewalls are robust enough and always have high availability build inside in case of failover events. We have various kinds of advanced cyphers which can pack the data …
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The Informed Human Firewall: The Impact of Knowledge Dimensions on Employees' Secure Behavior
<p>Organizations implement a variety of knowledge mechanisms such as information security education, training, and awareness (SETA) programs and information security policies to influence employees’ secure behavior. However, skills gained through these knowledge mechanisms have not always …
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Firewall information and security visualization : improving the usage and adoption of modern network firewalls by novice users
… novice users. Whilst the technology underlying a firewall is effective, most users have no idea how to configure the software to suit their needs. This research focuses on personal firewalls because it is our belief and I will show that personal firewalls are more at risk than those of large …
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A theory for the design and analysis of firewalls
Firewalls are the most critical and widely deployed intrusion prevention systems. A firewall is a security guard placed at the point of entry between a private network and the outside Internet such that all incoming and outgoing packets have to pass through it. The function of a firewall is to …
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A Federated Architecture for Heuristics Packet Filtering in Cloud Networks
… and one of the best security policies is firewall implementation.</p> <p>Firewalls can be hardware or cloud based. Hardware based firewalls offer the advantage of faster response time, whereas cloud based firewalls are more flexible. In reality the best form of firewall protection is the …
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Packet filter performance monitor (anti-DDOS algorithm for hybrid topologies)
… an activity monitor to change the states of firewalls based on their performance in a hybrid network. Both firewalls are connected inline. The monitor is mirrored to monitor the firewall states. The monitor reroutes traffic when one of the firewalls become overwhelmed due to a HTTP DDoS …
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Design of a load-balancing architecture for parallel firewalls
Because firewalls can become a potential choke point as network speeds and loads increase, the Navy needs a cost-effective means of increasing data rate through firewalls by placing several machines in parallel and balancing the traffic load among them. Current firewall architectures consisting of …
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Gravitational collapse and the information loss problem
… the current crisis stirred up by the black hole Firewall paradox to support the argument that nature is better off without black holes.
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Security Policy Definition and Enforcement in Distributed Systems
… by the algebraic framework, we invent a novel firewall system, called ROFL (routing as the firewall layer), that implements packet filtering using the underlying routing techniques. ROFL implements a form of ubiquitous enforcement, and is able to drop malicious packets closer to their origins …
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Utilizing Distributed Vibration Absorbers to Reduce Noise Transmission Through the Windshield of a Cessna 150
… side windows, and little through the engine firewall. Sources originally noted that structure-borne and airborne noise transmission paths were equal contributors to interior energy penetration of single-engine aircraft. However, additional studies found that airborne noise transmission paths …
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Acción tecnológica para el control de uso de redes sociales a los trabajadores durante horario laboral en la empresa Ingeurbanismo S.A.S.
… conformado por un Router Cisco ISR, un Firewall y un Proxy que restringirán y controlarán el uso de dichas redes sociales en horario laboral, mejorando con ello el rendimiento de los trabajadores, además de brindar seguridad a la información digital de la compañía.
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Naxtaro : A Linux security gateway
… empresarial, cuya función principal es ser un firewall de red, también conocido como cortafuegos. Además proporciona otros servicios considerados básicos como serían servidor de dhcp, servidor de ntp, acceso vpn externo, servidor de dns, webproxy y compartición de carpetas y ficheros en red. …
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Automatic verification of security policy implementations
… but are not limited to, router-based dedicated firewalls; host-based firewalls, which could be based in software or hardware; operating-system-based mechanisms, such as the mandatory access control in the National Security Agency's (NSA's) SELinux; and middleware-based mechanisms, such as the …
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