PowerPoint
6.1 # # 3# SNMP
SNMPSimple Network Management
ProtocolSNMPSNMPIPIPXAppleTalkOSISNMP# RMON
RMON# WEB
WebWebWeb#
,#
:(1)(2)(3)#
,#
:(1)(2)(3)(4)(5)(6)#
VPN#
:(1)(2)(3)#
#
(security management),: ( ), (authentication)(),
(()#SNMP2080InternetHEMSSGMPCMIS/CMIP##
#
#
#
#
FCSCSTLC
#
LC-FCFC-FCFC-SCSC-LC
#
LC-FCFC-FCFC-SCSC-LC
#
#
switchingRouter #
# ,(,,)#BUG
#I VAP-internet Value-added Provision
#NGN
#NGNNGINGINGNNGNNGI
#6.2 #
#2090NCSCDoD5200.28_STDTrusted Computer Standard Evaluation
CriteriaOrange Book#DoD5200.28_STD
D1C1C2B1C2B2B3A1#GB17859---19995
#12
#
#
#
interceptioninterruptionmodificationfabrication#25IPIP#rogue
programcomputer viruslogic bombTrojan horsecomputer worm#
#
#6.3 #
#3###CaesarplayfairHill##DESIDEA RSA#DESDES 648 5664#DES
#IDEAIDEA12864XueJia
LaiIDEA84IDEA#IDEAIDEA64128IDEA21621610216#RSA ##6.4
#http://www.csai.cn/incsearch/search.asp?key=%B7%FE%CE%F1%C6%F7#;;#####USB
KeyUSB Key#123#123
#RSA #APKAEASKADAABmBPKBEBSKBDB AADAmDA(m),BEBDA(m)C=
EB(DA(m))BCDBCDB(C)=DB (EB(DA(m)))=DA(m)AEADA(m)EA(DA(m))=mm###
AInternetBBAAInternetCAB#
#CPU
#MDMessage Digest AMCACCACAMCA+MInternetBBCAMCAASCMBCB#
#
Certification Authority , CACACACA#
#InternetInternet
#InternetIPsec(IP Security IP)Security AssociationSA
IPsecAuthentication header ,AHEncapsulation Security Payload
ESPAHESPESPAHAHESPAH
#Internet
(SA)IPsecInternetAHESP
#Internet
SAIPAHESPSecurity Parameter Index , SPIIPsec32#Internet
#InternetAHAHIPIP51AH
#InternetESPESPESPAHIPAHESPIP50ESPESPIPESPESP
#InternetSecure Socket Layer SSLSSLIPIP
#InternetSSLSETSceure Electronic Transaction Internet
#Internet
PGPPretty Good Provacy , PGP#InternetPGP
#InternetPDU
#InternetMABB#6.5 #firewallInternettrusted networkuntrusted
network
#
#authorization serverpacket filtering#proxy server#
