. , , . , , .. . , "" .. . , , , SATAN .
, , , .. . .. , . , . , , .. . . , , , . "" , .
, . , , - . "" (, RealSecure Internet Security Systems), .. , "" , . - . , . , , - . , (.1.):
- , , . (security assessment systems) (security scanners). , , , .
- , , .. ( ) . . .
- , . - , , .
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1.
, - : host-based, .. , , network-based, . . host-based :
- Application IDS (Intrusion Detection System), ;
- OS IDS, ;
- DBMS IDS, .
() , , .. , . , (.2):
, .
2.
, , ; , . , , , . , , .. , ( ) .
, , , , .. , . , . :
. , , , (, ..).
- . . : , , , . , , (banner), , .
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2 3 , , . (deception systems), , :
1. . , , . . , (, Crack Unix L0phtCrack(LC) Windows) , - . , , "" .
2. . , , .. , .
, 5 10 ( 1 1024). , HTTP, FTP, SMTP, NNTP, NetBIOS, Echo, Telnet .. (, RealSecure ISS) 100 , 5-10, 100 . , , . (Nmap, SATAN ..), , .