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Hardening linux processes - extending Grsecurity to integrate system call filters and namespaces

RISMendeley
URI: http://hdl.handle.net/1992/13914
Author: Derby Cardona, David
Director(s)/Advisor(s): Rueda Rodríguez, Sandra JulietaUniandes authority; Gómez Díaz, Rafael Enrique; Molina Molina, Fabián Alejandro
Publication date: 2016
Content type: masterThesis
Keywords:
Redes de computadores - Medidas de seguridad - Investigaciones
Seguridad en computadores - Investigaciones
LINUX (Sistema operacional para computador) - Investigaciones
Abstract:
"The area Of Linux sandboxing has various developments in recent years with the introduction of operating system containers and the ever present need to harden the security of applications. Two of the more prominent technologies that have been used when creating sandboxes are namespaces and system call filters... This work proposes to use these two technologies to enforce the Principle of Leas/ Privilege on every process on a system. The solution extends a Grsecurity hardened Linux kernel and allows the user to define security policies for each process which permit them to behave intended. The presented demonstrate the effectiveness of the extended Linux kernel and its impact on performance. The results provide a basis that may be built upon to deliver a comprehensive solution that would be appealing for in real world environments". Tomado del abstract
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