MX166611B - Aparato y metodo para impedir el acceso a computadoras por personal no autorizado - Google Patents

Aparato y metodo para impedir el acceso a computadoras por personal no autorizado

Info

Publication number
MX166611B
MX166611B MX012567A MX1256788A MX166611B MX 166611 B MX166611 B MX 166611B MX 012567 A MX012567 A MX 012567A MX 1256788 A MX1256788 A MX 1256788A MX 166611 B MX166611 B MX 166611B
Authority
MX
Mexico
Prior art keywords
devices
channel number
descriptor
user
command
Prior art date
Application number
MX012567A
Other languages
English (en)
Inventor
Joseph G Dichiara
Harry W Brown
Joseph M Valentino
Original Assignee
Honeywell Bull
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell Bull filed Critical Honeywell Bull
Publication of MX166611B publication Critical patent/MX166611B/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
    • G06F13/126—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine and has means for transferring I/O instructions and statuses between control unit and main processor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled

Abstract

La presente invención se refiere a aparato para traducir un comando E/S virtula a un comando E/S físico, que comprende; primeros dispositivos para almacenar unm comando E/S vircutal, que inlcluye un número de canal virtual que idéntifica un aparato; segundos dispositivos para almacenar un segmento descriptor que identifica un usuario, un primer disposisitvo de tablero acopaldok a dichos primeros dispositivos y siendo responsisvo a una primera porción de dicho número de canal almancenado en dichos primeros dispositovos, dicho primer dispositivo de tablero acoplado a dichos segundos dispositivos y siendo responsivo a dicho segmento descriptor que identifica a un usuario y almacenando en dicho descriptor segundos dispositivos para lozalizar un descriptor de página E/S que identifica una familia de aparatos disponibles al usuario un segundo dispositivo de tablero acoplado a dichos primeros dispositivos y al primer dispositivo de tablero y responsivo al número de canal y al dispositivo de tablero y responsivo al número de canal y al descriptor de página E/S mencionados, para localizar un descriptor E/S que incluya un número de canal físico que identifique a dicho aparato; y terceros dispositivos acoplados a los primeros dispositivos y al segundo dispositivo de tablero que incluyen dispositivos de comparación para verificar el privilegio del usuario al determinar el acceso del usuario q un dispositivo vía dicho suscriptor de usuario y la operación adecuada de comando E/S virtual, vía dicho descriptor E/S y en respuesta a la verificación del privilegio del usuario, reemplazando dicho número de canal virtual, por dicho número de canal físico para con ello generar dicho comando físico, E/S.
MX012567A 1987-08-07 1988-08-05 Aparato y metodo para impedir el acceso a computadoras por personal no autorizado MX166611B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/083,534 US4858117A (en) 1987-08-07 1987-08-07 Apparatus and method for preventing computer access by unauthorized personnel

Publications (1)

Publication Number Publication Date
MX166611B true MX166611B (es) 1993-01-21

Family

ID=22178948

Family Applications (1)

Application Number Title Priority Date Filing Date
MX012567A MX166611B (es) 1987-08-07 1988-08-05 Aparato y metodo para impedir el acceso a computadoras por personal no autorizado

Country Status (15)

Country Link
US (1) US4858117A (es)
EP (1) EP0306702B1 (es)
JP (1) JPH0199147A (es)
KR (1) KR940003325B1 (es)
CN (1) CN1014841B (es)
AU (1) AU611468B2 (es)
CA (1) CA1315007C (es)
DE (1) DE3889816T2 (es)
DK (1) DK439088A (es)
ES (1) ES2053640T3 (es)
FI (1) FI883566A (es)
IL (1) IL87295A (es)
MX (1) MX166611B (es)
NO (1) NO174528B (es)
YU (1) YU151988A (es)

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US5603059A (en) * 1994-04-22 1997-02-11 Pitney Bowes Inc. Software architecture system having a virtual I/O channel including multi-layered communication interface in between virtual stations and physical modules
US6901433B2 (en) 1995-06-07 2005-05-31 Microsoft Corporation System for providing users with a filtered view of interactive network directory obtains from remote properties cache that provided by an on-line service
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US5956509A (en) 1995-08-18 1999-09-21 Microsoft Corporation System and method for performing remote requests with an on-line service network
US5941947A (en) * 1995-08-18 1999-08-24 Microsoft Corporation System and method for controlling access to data entities in a computer network
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JP2982702B2 (ja) * 1996-08-30 1999-11-29 日本電気株式会社 ディスク装置
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FR2770918B1 (fr) * 1997-11-07 1999-12-10 Gemplus Card Int Procede de gestion securise d'une memoire
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US7065610B1 (en) * 2000-06-27 2006-06-20 Emc Corporation Method and apparatus for maintaining inventory of logical volumes stored on storage elements
US6978324B1 (en) * 2000-06-27 2005-12-20 Emc Corporation Method and apparatus for controlling read and write accesses to a logical entity
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Also Published As

Publication number Publication date
JPH0199147A (ja) 1989-04-18
CN1014841B (zh) 1991-11-20
EP0306702A3 (en) 1990-08-29
FI883566A (fi) 1989-02-08
JPH0578858B2 (es) 1993-10-29
US4858117A (en) 1989-08-15
NO174528C (es) 1994-05-18
NO883493D0 (no) 1988-08-05
DK439088D0 (da) 1988-08-05
EP0306702B1 (en) 1994-06-01
AU2052288A (en) 1989-02-09
IL87295A0 (en) 1989-01-31
DE3889816T2 (de) 1995-01-19
DK439088A (da) 1989-02-08
FI883566A0 (fi) 1988-07-29
IL87295A (en) 1992-05-25
KR940003325B1 (ko) 1994-04-20
CA1315007C (en) 1993-03-23
CN1033119A (zh) 1989-05-24
DE3889816D1 (de) 1994-07-07
NO174528B (no) 1994-02-07
KR890004230A (ko) 1989-04-20
AU611468B2 (en) 1991-06-13
ES2053640T3 (es) 1994-08-01
EP0306702A2 (en) 1989-03-15
NO883493L (no) 1989-02-08
YU151988A (en) 1991-08-31

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