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Sysjail : ウィキペディア英語版
Sysjail
sysjail is a now-defunct user-land virtualiser for systems supporting the systrace library - as of version 1.0 limited to OpenBSD, NetBSD and MirOS. Its original design was inspired by FreeBSD jail, a similar utility (although part of the kernel) for FreeBSD. sysjail was developed and released in 2006 by Kristaps Dzonsons (aka Johnson), a research assistant in Game theory at the Stockholm School of Economics, and Maikls Deksters.〔(sysjail: OpenBSD "jail" implementation ), Kristaps Dzonsons, 2006-05-22, OpenBSD misc mailing list〕
sysjail was re-written from scratch in 2007 to support emulated processes in jails, limited (initially) to Linux emulation.
The project was officially discontinued on 3 March 2009 due to flaws inherent to syscall wrapper-based security architectures. The restrictions of sysjail could be evaded by exploiting race conditions between the wrapper's security checks and kernel's execution of the syscalls. 〔Watson, Robert N. M., (Exploiting Concurrency Vulnerabilities in System Call Wrappers )〕
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Sysjail」の詳細全文を読む



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