1webHTTP___D___A200B302C401D404HTTP3302URI401BadRequest404NotFound2___C___ABCD3___C___(A)(B)(C)(D)4web___A___AIBMAPPSCANBNessusCNMAPNetworkMapperLinuxDX-SCAN,IP()5___D___ABIPCDsqlmapSQL6___B___ABACKCUDPD7XSS___C___ABCSQLDXSS8___D___AjavascriptBMIMECDURLscriptalert9webHTTP___B___A200OKB503ServiceUnavailableC403ForbiddenD302MovetemporarilyURI10APT___D___ABCDAPT:APT11tplinkHTTP___A___A401UnauthorizedB403C404D200A12.___B___A.SSLB.ICMPC.VPND.HTTPSVPNSSLSSL(SecureSocketsLayer),ICMPInternetTCP/IPIPHTTPS:HTTPHTTP13.___A___A.B.C.D.14.___A___A.B.C.D.Internet(PacketFiltering)(AccessControlTable)15.___D___A.IPB.TeardropC.SmurfD.SQL16.ARP___B___________A.IPB.IPMACC.MACIPD.MACARPAddressResolutionProtocolIPTCP/IP17.Man-in-the-middleMITM___C___A.B.C.D.TelnetTelnetHTTPSessionHijack1(ManInTheMiddleMITM)2Injection1218.___C___A.B.C.D.19.TCPSYNFlood___B___A.SYNB.C.TCPD.SYN/ACKTCP20.___C___A.B.C.D.21.___D___A.B.C.D.22___A___(1)(2).A.(1)B.(2)C.(1)(2)D.(1)(2)23.___D___A.B.C.D.24.___B___A.B.C.D.25.___B___A.B.C.D.26.___A___A;B;CDIP27.___D___AHTTPBFTPCTELNETDSSL28.,,___B___A;B;C;DDDOS29.WindowsNTWindows2000,___B___A;B;CIP;D30.___A___A;B;CPKID31___A_____ABCD32____C____ABCD33____B____34____B____ABCD1()2,3web4XSSCrossSiteScripting,5DDOS6SYNFloodDOSSYNFloodDoSDDoSTCPTCPCPU7TCP8SQL9IntrusionDetection1011Nmap12Hash1314151DOSDDOSDOSDenialofserviceDDOSDistributedDenialofserviceITDOSDOSDDOS2?1Integrity2Confidentiality3Availability4Non-repudiation5Controllability3PMIPKIPKIPMI401235WEBWAF6HASHMSN()202050,10020136.484.61(CNCERT)CNCERT20131122867471902194128.7