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ACSAC
2003
IEEE

Making Secure TCP Connections Resistant to Server Failures

11 years 6 months ago
Making Secure TCP Connections Resistant to Server Failures
Methods are presented to increase resiliency to server failures by migrating long running, secure TCP-based connections to backup servers, thus mitigating damage from servers disabled by attacks or accidental failures. The failover mechanism described is completely transparent to the client. Using these techniques, simple, practical systems can be built that can be retrofitted into the existing infrastructure, i.e. without requiring changes either to the TCP/IP protocol, or to the client system. The end result is a drop-in method of adding significant robustness to secure network connections such as those using the secure shell protocol (SSH). As there is a large installed universe of TCP-based user agent software, it will be some time before widespread adoption takes place of other approaches designed to withstand these kind of service failures; our methods provide an immediate way to enhance reliability, and thus resistance to attack, without having to wait for clients to upgrade so...
Hailin Wu, Andrew Burt, Ramki Thurimella
Added 04 Jul 2010
Updated 04 Jul 2010
Type Conference
Year 2003
Where ACSAC
Authors Hailin Wu, Andrew Burt, Ramki Thurimella
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