Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Protection_ring> ?p ?o }
- Protection_ring abstract "In computer science, hierarchical protection domains, often called protection rings, are mechanisms to protect data and functionality from faults (by improving fault tolerance) and malicious behaviour (by providing computer security). This approach is diametrically opposite to that of capability-based security.Computer operating systems provide different levels of access to resources. A protection ring is one of two or more hierarchical levels or layers of privilege within the architecture of a computer system. This is generally hardware-enforced by some CPU architectures that provide different CPU modes at the hardware or microcode level. Rings are arranged in a hierarchy from most privileged (most trusted, usually numbered zero) to least privileged (least trusted, usually with the highest ring number). On most operating systems, Ring 0 is the level with the most privileges and interacts most directly with the physical hardware such as the CPU and memory.Special gates between rings are provided to allow an outer ring to access an inner ring's resources in a predefined manner, as opposed to allowing arbitrary usage. Correctly gating access between rings can improve security by preventing programs from one ring or privilege level from misusing resources intended for programs in another. For example, spyware running as a user program in Ring 3 should be prevented from turning on a web camera without informing the user, since hardware access should be a Ring 1 function reserved for device drivers. Programs such as web browsers running in higher numbered rings must request access to the network, a resource restricted to a lower numbered ring.".
- Protection_ring thumbnail Priv_rings.svg?width=300.
- Protection_ring wikiPageExternalLink 99paper_multithread.pdf.
- Protection_ring wikiPageExternalLink 24319202.pdf.
- Protection_ring wikiPageExternalLink minixonxen.skynet.ie.
- Protection_ring wikiPageExternalLink ft_gateway.cfm?id=319161&type=pdf&coll=portal&dl=ACM&CFID=15151515&CFTOKEN=6184618.
- Protection_ring wikiPageExternalLink ngscb.pdf.
- Protection_ring wikiPageExternalLink 2003-xensosp.pdf.
- Protection_ring wikiPageExternalLink 207401567.
- Protection_ring wikiPageExternalLink TR00-02-a4.pdf.
- Protection_ring wikiPageExternalLink protection.html.
- Protection_ring wikiPageID "3446185".
- Protection_ring wikiPageLength "21503".
- Protection_ring wikiPageOutDegree "90".
- Protection_ring wikiPageRevisionID "681745236".
- Protection_ring wikiPageWikiLink Abstraction_layer.
- Protection_ring wikiPageWikiLink Access_control.
- Protection_ring wikiPageWikiLink Acronym.
- Protection_ring wikiPageWikiLink Acronyms.
- Protection_ring wikiPageWikiLink CPL0.
- Protection_ring wikiPageWikiLink CPL1.
- Protection_ring wikiPageWikiLink CPL2.
- Protection_ring wikiPageWikiLink CPL3_(x86).
- Protection_ring wikiPageWikiLink CPU_modes.
- Protection_ring wikiPageWikiLink Capability-based_security.
- Protection_ring wikiPageWikiLink Category:Central_processing_unit.
- Protection_ring wikiPageWikiLink Category:Computer_security_models.
- Protection_ring wikiPageWikiLink Category:Operating_system_technology.
- Protection_ring wikiPageWikiLink Central_processing_unit.
- Protection_ring wikiPageWikiLink Computer.
- Protection_ring wikiPageWikiLink Computer_architecture.
- Protection_ring wikiPageWikiLink Computer_science.
- Protection_ring wikiPageWikiLink Computer_security.
- Protection_ring wikiPageWikiLink Computer_system.
- Protection_ring wikiPageWikiLink Context_switch.
- Protection_ring wikiPageWikiLink Current_Privilege_Level.
- Protection_ring wikiPageWikiLink DOS.
- Protection_ring wikiPageWikiLink DOS_Protected_Mode_Services.
- Protection_ring wikiPageWikiLink DR-DOS.
- Protection_ring wikiPageWikiLink 8000.
- Protection_ring wikiPageWikiLink Device_driver.
- Protection_ring wikiPageWikiLink EMM386.
- Protection_ring wikiPageWikiLink EXtremeDB.
- Protection_ring wikiPageWikiLink Elegance.
- Protection_ring wikiPageWikiLink Exokernel.
- Protection_ring wikiPageWikiLink Fault-tolerant_design.
- Protection_ring wikiPageWikiLink Fault_tolerance.
- Protection_ring wikiPageWikiLink Firewall_(computing).
- Protection_ring wikiPageWikiLink Firmware.
- Protection_ring wikiPageWikiLink GE-600_series.
- Protection_ring wikiPageWikiLink Hypervisor.
- Protection_ring wikiPageWikiLink O_Privilege_Level.
- Protection_ring wikiPageWikiLink IOPL.
- Protection_ring wikiPageWikiLink Intel.
- Protection_ring wikiPageWikiLink Intel_VT-x.
- Protection_ring wikiPageWikiLink Internet_forum.
- Protection_ring wikiPageWikiLink Jerome_H._Saltzer.
- Protection_ring wikiPageWikiLink Jerry_Saltzer.
- Protection_ring wikiPageWikiLink Kernel_(operating_system).
- Protection_ring wikiPageWikiLink L3_microkernel.
- Protection_ring wikiPageWikiLink Linux_kernel.
- Protection_ring wikiPageWikiLink MIPS_architecture.
- Protection_ring wikiPageWikiLink MIPS_instruction_set.
- Protection_ring wikiPageWikiLink Maurice_Wilkes.
- Protection_ring wikiPageWikiLink Michael_D._Schroeder.
- Protection_ring wikiPageWikiLink Microcode.
- Protection_ring wikiPageWikiLink Microkernel.
- Protection_ring wikiPageWikiLink Microsoft_Windows.
- Protection_ring wikiPageWikiLink Monolithic_kernel.
- Protection_ring wikiPageWikiLink Multics.
- Protection_ring wikiPageWikiLink Next-Generation_Secure_Computing_Base.
- Protection_ring wikiPageWikiLink 2.
- Protection_ring wikiPageWikiLink OpenVMS.
- Protection_ring wikiPageWikiLink Operating_system.
- Protection_ring wikiPageWikiLink PowerPC.
- Protection_ring wikiPageWikiLink Privilege_(computing).
- Protection_ring wikiPageWikiLink Privilege_level.
- Protection_ring wikiPageWikiLink Program_counter.
- Protection_ring wikiPageWikiLink Protected_mode.
- Protection_ring wikiPageWikiLink Protection_ring.
- Protection_ring wikiPageWikiLink Q:Stan_Lee.
- Protection_ring wikiPageWikiLink Spyware.
- Protection_ring wikiPageWikiLink System_Management_Mode.
- Protection_ring wikiPageWikiLink System_call.
- Protection_ring wikiPageWikiLink Tanenbaum–Torvalds_debate.
- Protection_ring wikiPageWikiLink Thread_(computer_science).
- Protection_ring wikiPageWikiLink Thread_(computing).
- Protection_ring wikiPageWikiLink Unix.
- Protection_ring wikiPageWikiLink Usenet.
- Protection_ring wikiPageWikiLink User_space.
- Protection_ring wikiPageWikiLink VDSO.
- Protection_ring wikiPageWikiLink Virtual_memory.
- Protection_ring wikiPageWikiLink Windows_NT.
- Protection_ring wikiPageWikiLink X86.
- Protection_ring wikiPageWikiLink X86_virtualization.
- Protection_ring wikiPageWikiLink Xen.
- Protection_ring wikiPageWikiLink File:Priv_rings.svg.
- Protection_ring wikiPageWikiLinkText "Protection ring".
- Protection_ring wikiPageWikiLinkText "Protection ring#Hypervisor mode".
- Protection_ring wikiPageWikiLinkText "Protection ring#SUPERVISOR-MODE".