..
-
2012
681.3.06
..
- .
- .: , 2012. - 76 .
. .. л .
- , / .
. . .
: .., ..-.., ;
.. ..., .
.. ..., .
ã ..
. .. , 2012. 109004, , , 73
............................. 4
1
...................................................... 8
........................................................................ 9
.................. 10
.... 11
.................. 15
1..................................... 16
1......................................................................... 16
2
.................................................... 17
................................ 18
..................................... 20
............................................ 20
.............................................. 21
proxy-...................................................... 24
............................................ 24
.......................................... 25
......................................... 26
2..................................... 29
2......................................................................... 29
3
................ 30
.............. 31
|
|
,
................................................ 33
........................................... 34
......................................................... 36
.......................................................... 42
DES
................................................ 45
PGP (Pretty Good Privacy).......................................... 56
.............................................. 61
................................................ 65
................................................. 69
3..................................... 73
3......................................................................... 73
................................................... 74
....................................... 75
. , , , . , .
, , , . , .
, . , . , (, , , , ..) . , . , , . . , .
. , . Internet, , ( , ..). , Internet ( , ), Internet, , , , Internet.
|
|
, . , International Data, Internet- 1999 74 . , 19 . . 2003 708 . 430 ., . Internet- 15 . .
, , . , , . , , .
, , , , . , . , , , , . : ; (, ) .
, , . . , , . .
, , , , , . , , . , , 20% 33% , 48% 50% .
, . , , . , , , ‑ . ? - . . , , . , . Web- , , . , . . , , Firewall Broundmouer. Internet. , .. , .
|
|
, , , , .. -, , TOP SECRET : !. - : Internet, , .
, . . , 7080% . , , , , .
1
:
, , , , , . .;
, - , ;
, ;
;
, .
, . , . (, ), .
, , , , . Internet. , , , , .
(cracker) , . , Internet.
: . , . , .
|
|
, . , ( ), . .
Symantec, , , Internet , . , 167 , firewall, . firewall , , . , , dial-up, . 1703 , 159 167 (95%). , 56 , Backdoor.SubSeven. 68% .
, : , , .
, , , , .
Internet- , . , . () , , ( ) . .
. .
, , - - , . , , , .