Building Internet Firewalls
Journal of Systems and Software
Maintaining high performance communication under least privilege using dynamic perimeter control
ESORICS'07 Proceedings of the 12th European conference on Research in Computer Security
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To provide a secure traversal service, firewalls need more than static packet filtering and application-level proxies. SOCKS (Secure sOCKets) is an application-independent transport-level proxy that offers user-level authentification and data encryption. An extended SOCKS UDP (user datagram protocol) binding model with appropriate socket calls is proposed to provide complete support for UDP-based multimedia streaming applications