. , . 1991 100 .
, , , Q. , .
QA - , :
QAH - , . .
QAI , . , .
QAT - , .
QAZ - .
QD - :
QDL/QDT - (logic bomb), (trojan horse) - ..
QDV - , .
QDW - , , .
QDZ - .
QF - :
QFC - , , .
QFF - , ( .).
QFG - , ,
QFM - -, . (data diddling code change), - . .
QFP - , , , 45% , .
QFT - , , .
|
|
QFZ - .
QR - :
QRG/QRS - , , .
QRT - , , , , .
QRZ - ,
QS - :
QSH - , , , , ; .
QSS - , , , .
QSZ - ,
QZ - :
QZB - , (BBS)
, ,
;
QZE - , , . , ;
QZS - , , , .
QZZ - .
, .
- , .
(asynchronous attack) .
(simulation modelling) , , . , .[6]
, , . , , :
( , , , , , , ..);
- ;
;
, , , ;
, ;
( , ).
|
|
:
1. ( , , , ..);
2. ( , , );
3. ( , ..).
, , . - , , .
( ) , . : . , ; ( , , ), (, , ).
, - , - , , . , , , / .
, , . ( , , , , , ) . ( ) . - . .
: , - . .
, , (, SYSTIMAX SCS AT&T, OPEN DECconnect Digital, ). , , , . , . , SYSTIMAX SCS (campus subsystem), (administrative subsystem) (horizontal subsystem), (equipment room), (backbone cabling) (work location subsystem).
|
|
, , ( ). , .
, . SYSTIMAX SCS . ( ), , , ..
. .
.
, , , , .
( - , ) . :
1530 , , ..;
10-15 .
- . EIA/TIA 568. UL, American National Standarts Institute (ANSI) Electronic Industry Association/Telecommunications Industry Association, TR41.8.1 (UTP).
EIA/TIA 568 DIS 118-01, International Standard Organization (ISO) International Electrotechnical Commission (IEC). .
, EIA/TIA 568 . , , , , . 5 . .
. . , , , , .
|
|
, . (, , .) . . , .
. - . , - , . .
, , .
. (, , ..) (, ) , , , , .
, -
; , , . , , . , , , PGP (Pretty Good Privacy).
on-line ( ) off-line (). , . - DES RSA.
DES (Data Encryption Standart) 70- . . DES 56 8 72 , . .
RSA , 1976 . . .
DES, RSA , . . , ; . .
DES , a RSA . , ( ). DES , RSA- *. RSA , DES - .
. , Creative Strategies Research, 64% 451 . 100-150 . .
. , . Intel 1994 . . Flash- Intel EtherExpress PRO/10 , .
|
|
. . , , - . , , . . , NetWare 4.1, , , , , . NetWare , , ( RS) .
: . , . : . ( - smart-card) ( , , .). - ( , ).
, . , . ; , , , .
- , , , , , , . , , , , , , DOS.
, , , Kerberos. :
1. , , , , ..;
2. (authentication server), . , , . , ;
3. Ticket-granting server ( ) , , , . , , DES . , .
() Sesame (Secure European System for Applications in Multivendor Environment), .
. , ( ) . Datapro , 1995 . , , 25 . . ( ) . , , , .
, - , . . , , .
. , AT&T Remote Port Security Device (PRSD), : RPSD Lock (), , RPSD Key (), . RPSD Key Lock , :
, ; ( 14 ).
, . . , RAM Mobil Data , . DES RSA.
. 1981 . , 1984 . , , 1995 2002 .
, , , , .
:
;
;
;
;
;
;
;
, , , .
, 17 1997 .
28 . . 272 , , , , , , . , .
, ( ), , , : , , , , , .
2 . 272 , . : ; ; ; , , .
. 273 , ̻. , . : , () , , , ; , ; ; ; ; .
. 274 , , . , , - , , - . , -, - , -, , -, , , .
. , .
, , . , , , , , , ..
, , , .
, , , , .
, , , , , , , .
, , , , .
1. : . .., .., .., .., .., ..: . .. , , 1997 238 .
2. .. IBM PC . 6-, .: -, 1995. 432 .: .
3. . / .. . .: "", 2000. 640 .: .