.


:




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, CHAP, . (. . 2.2), , , , .

CHAP , , LCP .

, . .

- CHAP, , , , CHAP . , -.

, , (, , ).

, . , . - , (, , LAN Express 3.0 Microcom). . , . . , RAS OC WindowsNT Microsoft CHAP MD4 ( MS-CHAP). CHAP D5 . Shiva SPAP (Shiva Password Authentication Protocol Shiva).

, , , . ( ) , - - .

 

2.3.4. Microsoft

 

RAS, Windows NT, CHAP.

, Windows NT RAS , NetManage Chameleon Trumpet Winsock.

CHAP Windows NT RAS .

RSA MD4 ( MS-CHAP) Microsoft -, RSA MD4. , Windows NT. , Windows NT Windows 95 Windows NT RAS, MS-CHAP .

DES (Data Encryption Standard ). -, Microsoft, Windows for Workgroups 3.11 RAS RAS 1.1. DES Windows NT .

SPAP (Shiva Password Authentication Protocol Shiva). Windows NT RAS SPAP , Shiva. PAP, SPAP .

D5. Windows NT RAS RSA MD5-, . Service Pack 3 CHAP - MD5. , . . , MD5, , SAM (Security Account Manager ). ( SAM) , . MD5 Pw, , . , , [<>:] <> (key) c MD5. <>:<> <>\<> - ( \, ). <:> , . 5 , MD5 . , MD5 :

HKLM\SYSTEM\CurrentControlSet\Services\RasMan\PPP\CHAP\MD5

[<>:] <>(REG_SZ)Pw

2.1 , Microsoft.

 

2.1.

Windows NT RAS Network Configuration (. 2.4).

. 2.4.

 

Encryption settings ( ) :

 Allow any authentication including clear text ( , ) ( Windows NT RAS), ;

 Require encrypted authentication ( ) , CHAP MS-CHAP, DES SPAP;

 Require Microsoft encrypted authentication ( Microsoft) Windows NT RAS MS-CHAP.

Windows NT RAS , Windows NT RAS, SPAP. , Windows NT RAS MD5. Windows NT RAS .

Windows NT RAS Security (. 2.5).

. 2.5.

 

Accept any authentication including clear text ( , ) Windows NT RAS , ;

Accept only encirypted authentication ( ) . MD5, SPAP;

Accept only Microsoft encrypted authentication ( Microsoft) MS-CHAP.

 

2.4.

 

, :

;

;

.

 





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