Eicon Networks S92 Manuale Utente Scaricare il pdf (Pagina 122)

YuChakTinMichael‘sGIACGCFWProjectAssignment

Page 122

serverfortheremoteusersaccordingly.

SincetheexternalpartnersandsuppliersareusingmostlyWindowsbasedclients,

MSCHAPandMSCHAPV2areselectedastheauthenticationprotocols. According

toChapter14,Lesson2oftheMicrosoftPressMCSETrainingKit—Microsoft

Windows2000NetworkInfrastructureAdministration,

“MSCHAPisavariantofCHAPthatdoesnotrequireaplaintextversionofthe

passwordontheauthenticatingserver.MSCHAPpasswordsarestoredmoresecurely

attheserverbuthavethesamevulnerabilitiestodictionaryandbruteforceattacksas

CHAP.InMSCHAPthechallengeresponseiscalculatedwitha MessageDigest4

(MD4)hashedversionofthepasswordandthenetworkaccessserver(NAS)

challenge.”

25

http://www.amazon.com/exec/obidos/ASIN/0735613885/qid=1018719524/sr=11/ref=sr_1_1/104955

75700347903

1 2 ... 117 118 119 120 121 122 123 124 125 126 127 ... 208 209

Nessun commento

Eicon Networks S92 Manuale Utente Pagina 122