IW2001-B2 1 Internet Week 2001 ( ) Copyright 2001 All Rights Reserved, by Seiji Kumagai IW2001-B2 2 CodeRed Copyright 2001 All Rights

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1 1 Internet Week 2001 ( ) kuma@isid.co.jp 2 CodeRed 1

2 3 (EXCEED ) se cu ri ty? 4? 2

3 5 Web IP Web MP3 6 3

4 7 1.5Mbps8Mbps 500 MP3 CM VoD 8 4

5 ADSL (Asymmetric Digital Subscriber Line) () CATV FWA (Fixed Wireless Access) FTTH (Fiber To The Home) Ethernet 9 10 ISP ISP ISP 5

6 () 11 ISP ISP ADSL FTTH ADSL FTTH CATV LAN 12 6

7 1/22/ IDF IDF IDF IDF MDF 7

8 1.5Mbps128kbps 100Mbps

9 17 VLAN 18 LAN?? 9

10 LAN GHz(IMS) 11Mbps PCMCIA USB» RC4»

11 Web Sircam PC CodeRed Nimda 22 Web 11

12 23 Sircam 24 Sircam C MS-Word MS-Excel» Outlook, Outlook Express Web 12

13 25 26 ISP PC 13

14 CodeRed CERT/CC» 26 IIS Index Server CERT/CC » » ec_cd=ms CodeRed 28 IP IP CodeRed IIIP LAN 14

15 CodeRed 29 URL= 30 CodeRedPC IIS Windows 2000 Professional IIS PC 15

16 LAN PC PC LAN 31 CodeRed 32 16

17 Nimda 33 Nimda» + InternetExplorer OutLook IIS Web CodeRed II CodeRed Microsoft? 34!?!? 17

18 1? 35 vs

19 37»»» 38 19

20

21 PCLAN? OK? PC?? PC? 41 Web IP 42 21

22 43 SPAM 44» ID» 22

23 Web Q2 23

24 47 48 SPAM SPAM!! 24

25 49? 50? 25

26 ??!!?

27 () 53 M () 54 27

28 ?

29 57 CGI(Common Gateway Interface) 58 29

30 59»»»? 60 LAN () 30

31

32 63 PC PC PC PC PC PC PC PC PC PC 2.5HD50Mbps? 64 32

33 65 CodeRed IIS» 66?? 33

34 Denial of Service 68 DoS DDoS Distributed DoS DoS 34

35 ?? ISP ISP LAN 69» DES, TripleDES, ISEA, RC2, RC4, MISTY, FEAL, CAST» RSA, Diffie-Hellman, ElGamal» SHA-1,MD

36 »»

37 73 () ()()

38 75 Virtual Private Network»»» 76 38

39 Virtual Private Network() VPN 77 VPN ISP 155Mbps172G(1.7TB/ )» 78 39

40 ? X Y 40

41 81 Public Key Infrastructure PKI CA (Certificate Authority) 82 41

42 PKI Web VPN 83? ( ) 1,500 / /!! 84 42

43 »??

44 87 88 WWW (DB) DB WWW 44

45 SSL 89 Secure Sockets Layer»» SSL? 90 SSL»» DB»?» 45

46

47 PC X PC Y ISP A ISP B ISP C ISP D ISP H IX: Internet exchange ISP: Internet Service Provider ISP E ISP F ISP G Web Z ISP K ISP J 93 PC ISP ISP 1. PC PC 4. 47

48 ISP ISP PC PC PGP(Pretty Good Privacy) S/MIME(Secure/MIME)» MIME Multipurpose Internet Mail Extensions 96 48

49

50 Unsolicited Commercial SPAM SPAM? FAXDM? 99 Cookie Web?»? Cookie IP

51

52 IP 103 IP JPNIC?»» 104? Web» 52

53 105 SSGS

54

55 IDN International Domain Name.jp.com URL Web IDN IDN??

56

57 !? 113 FD OK NTT??

58 115 Web 116 IP PC 58

59

60 119 ID URL JPCERT/CC The SANS (System Administration, Networking, and Security) Institute 60

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