Solução segura para utilização de VPN baseada em IP's dinâmicos

• Ano de defesa: 2010
• Autor(a) principal: Carmo, Alexandre Pereira do
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal do Espírito Santo; BR; Mestrado em Engenharia Elétrica; Centro Tecnológico; UFES; Programa de Pós-Graduação em Engenharia Elétrica
• Palavras-chave em Português: Security; VPN; Dynamic IP; DYNDNS; DNSSEC; Segurança; IP dinâmico; EEG; Sistemas de segurança; Extranets; Redes de computadores; Nomes de domínio na internet; Medidas Elétricas, Magnéticas e Eletrônicas; Instrumentação; 621.3
• Link de acesso: http://repositorio.ufes.br/handle/10/9591

Private networks allow important information to be shared between companies, their clients and partners located in different places or cities. All users, no matter how far they are, expect to access data and resources from the main company's network as they were physically connected to the same local net. Thus, private networks should provide a reliable and safe connection for all users, protecting the company's private data and resources. Data confidentiality, integrity, and authenticity may be get by using a VPN connection, besides applying Firewalls and Proxies to protect the whole system. In order to solve these issues, this work proposes a new connectivity solution in a low cost, safe, efficient and flexible way. It is based on dynamic IP addressing and uses ADSL technology to access the Internet. The VPN connections have automatic reconfiguration of the parameters, so the changes on addresses made by the provider are not noticed by the final users. The framework also ensures a high safety level for the entire system, eliminating the vulnerabilities present in other solutions based on dynamic IP. Besides that, the developed framework can work with other equipments or systems by using open standards communication. The proposed approach was implemented and tested in real networks of some companies in Vitória, during 4 years. The system performed very well connecting networks of different types of companies and clients, and achieving a high level of connection availability.