?????? I ?2? ??????????????? - PowerPoint PPT Presentation

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?????? I ?2? ???????????????

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... Homeserver on Vine Linux http://www.jitaku-server.net/postfix ... – PowerPoint PPT presentation

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Title: ?????? I ?2? ???????????????


1
?????? I?2????????????????
  • (?)JSOL
  • ?? ??
  • e-mailshindy.info.99_at_gmail.com
  • HomePagehttp//www.lab.toho-u.ac.jp/sci/chem/info
    /

1
2
?1?????????
  • ????????
  • ???????????????????
  • ?????
  • ???????????????????????
  • ??????????????????????????????????????????????????
    ??????????????????????????????????????????????????
    ??????
  • ?????????????????????
  • gt????????????????(?????)
  • ??????????????????????????????????????????????????
    ??????????????
  • (?????????(??)????????????????????????)
  • ??????????????(??????????)
  • ?????????????????????????????????????????????????
    ??
  • ?????????????????????????????????????????????????
    ?????

2
3
?2? ???????????????
  • ???????
  • ???????
  • ?????????????
  • ???????????
  • ???
  • ???????
  • ?????????
  • ????????????????
  • (?4? ????????(1) ????????????)???)
  • ????????????
  • ??????????????
  • Gmail???

3
4
????
? ??
1 ?????????(??????) ??
2 ??????????????? ????
3 ???????OS???? ????
4 ????????(1)(????????????) ????
5 ????????(2)(???????????) ????
6 Windows ????? ?????
7 MicroSoft Office????(1) Word??????????? ?????
8 MicroSoft Office????(2) Excel??????????? ?????
9 MicroSoft Office????(3) PowerPoint??????????? ?????
10 ?????????(1)(??) ???????
11 ?????????(2)(??) ???????
12 ??????(CAE)???????? ???????
13 ??CAE??(1)(???????) ??????
14 ??CAE??(2)(???????) ??????
15 ??
???????(information literacy)?????
(information)??? (literacy) ??????????????????????
????????????? (Wikipediahttp//ja.wikipedia.org/w
iki/???????)
4
5
?????????????
  • ??? (Web)
  • ?????????????
  • WWW (World Wide Web)
  • ?????????????????????
  • ???????? (hypertext) ???
  • ?????????????????

??????????? World Wide Web (?????????WWW http/
/ja.wikipedia.org/wiki/WWW)
(http//www.yahoo.co.jp/)
5
6
?????????????
  • ??? (Web)
  • ??? (Blog)
  • ?????????????????
  • ??????????????????

(???? ??? Diary http//blog.mariko-shinoda.net/)
6
7
?????????????
  • ??? (Web)
  • ??? (????? BBS (Bulletin Board System))
  • ????????????????????(??)??????????????

(?? Yahoo!??? - Yahoo! JAPAN http//textream.yaho
o.co.jp/)
7
8
?????????????
  • ??? (Web)
  • ?????????????????(SNS (Social Networking
    Service))
  • ?mixi(????) (?)???????????????SNS
  • Facebook(???????)??Facebook, Inc.?????SNS

(?? http//mixi.jp/ )
8
9
?????????????
  • ??? (Web)
  • ???? (Twitter)
  • ????????????????????????
  • ?????????????????

(?? http//twitter.com/ )
9
10
?????????????
  • ??? (????? electronic mail, email)
  • ?????????????????????????????
  • ??????????????
  • ??????????????????????????

(?? Gmail )
10
11
???????????
  • ?????????????
  • ??
  • 1969????????????????????(Defense Advanced
    Research Project AgencyDARPA)??????????ARPANET(??
    ?????Advanced Research Projects Agency
    Network)???
  • ???????????????
  • ??????????????????????????????
  • ????????????????????????????????????

??????????????? (????????????????? http//www.cc
jc-net.or.jp/kouza/199712/inter01.html)
??????????????? (????? -???????????????????????
? ?2? ??????????? http//yougo-power.blog.so-net.n
e.jp/upload/detail/internet-structure-s.jpg.html)
11
12
???????????
  • ???????????????????
  • IP(???????????? Internet Protocol)
  • ?????????????????????(?????)
  • ????????(????)???
  • ???????????????????????????
  • ??????????IP????(Internet Protocol Address)???
  • (?)192.168.0.1
  • ????IP??????????????????(???? ?????)???

(?)???????(The Internet) ????????????????????????
????(an Internet)(????)???????????????????????????
??????
12
13
???????????
  • ???????????????????
  • LAN ? WAN
  • LAN (Local Area Network)?????????????????(?????)
  • ???????(ISO)?LAN????????????????
  • ???????????????????????????????????
  • ?????????????????????(????????????)?
  • ????????????????LAN?????????????
  • WAN (Wide Area Network)LAN?????????(?????????????
    ????)?????????????????????????????????????????????

WAN????????(???????)(????????? http//ja.wikipedi
a.org/wiki/E38395E382A1E382A4E383ABIm
age_wideareanetwork1.png)
LANWAN?????(????????? http//ja.wikipedia.org/wi
ki/E38395E382A1E382A4E383ABImage_wide
areanetwork2.png)
13
14
???????????
  • ???????????????????
  • DNS(???? ??? ???? Domain Name System)
  • ???????????????????????????????IP?????????????????
    ??
  • (?) www.yahoo.co.jp 203.216.227.245
  • www.google.co.jp 66.249.89.104
  • DNS?IP???????????
  • Windows ??????????????????????????
  • ??????????????????
  • tracert www.yahoo.co.jp

???????????(????? ????????????????? http//www.s
oumu.go.jp/main_sosiki/joho_tsusin/security/kiso/k
01_inter.htm)
14
15
???????????
  • ???????????????????
  • ??????????
  • ????? (domain name) ??????????????????????????????
    ????????IP????????????????????????????
  • ICANN???????????????????????????????????
  • ICANN(The Internet Corporation for Assigned Names
    and Numbers)????????IP??????????????????????????
    ????????????1998???????????????
  • ?????ICANN???????????JPNIC ((?)???????????????????
    ??(Japan Network Information Center))?IP??????????
    ?DNS??????(??????????????)???????

15
16
???????????
  • ???????????????????
  • IP????(Internet Protocol Address)
  • IP????(Internet Protocol Address )Internet
    Protocol??????????????????????????
  • IP ???????????????????????????????????????????????
  • ??? 192.168.1.0 /24 gtIP????192.168.1.0
    ????????255.255.255.0
  • ????????????????????????????????????????????(????
    ?)??????????????????????????????????????????????
  • ?????????????????????????????????
  • IPv4(32???)0.0.0.0255.255.255.255?????(
    2324.2x10942??)????
  • IPv6(128???)IPv4??????????????????????????(IP????
    ?????)???????????IPv4?4?????????????IP??????(2128
    3.4x1038?)

16
17
???????????
  • ???????????????????
  • IP????(Internet Protocol Address)??
  • IPv4?IP???????????????????????????NAT?????????
  • NAT (Network Address Translation)????????????????
    ?????????? IP ???????????????????????????????? IP
    ???????????????????????????????? IP ?????????? IP
    ?????????????NAT????
  • ?????IP???????????IP????????????????????????(?????
    ????)??????????????IP?????????????????????????????
    ?????????????????????????????????NAT??????????????
    ??????????
  • ??????????IP?????????????1???????IP???????????????
    ??????????????????????????????????????????????????
    ??????????????????????????????????????(SPAM???????
    ??????????)????????????????????????????

17
18
???????????
  • ???????????????????
  • DHCP (Dynamic Host Configuration Protocol)
  • ???????????????????????IP?????????????????????????
    ??
  • ????????????????????,????????????????
  • DHCP????????????????????????????????DHCP???????
  • DHCP???????????????DNS????IP??????????????????????
    ????????IP????????????????????????????????????????
    ????????????????????????????????
  • ??????????????????????????IP??????????????????????
    ????????IP???????????
  • DHCP??????????????????????????????????????????????
    ???????????????????

18
19
???????????
  • ???????????????????
  • ?????? (????????????)
  • ???????????LAN????????????????????????????????????
    ??????????????
  • ? ?????????????????LAN????

LAN??? (???????? ??????? gt TCP/IP?? gt
????????????? http//net-juku.org/tcpip/tcpip52.h
tml)
  • ???PC???????????
  • Windows ?????????????????????
  • ipconfig /all

19
20
???????????
  • ???????????????????
  • ?????????(Firewall ???)
  • ?????????????????????????????????????????????????
    ??????????????????????????????????????????????????
    ?
  • ?????
  • ?????????????????????????SMTP????????????????POP3
    ???????????
  • SMTP (Simple Mail Transfer Protocol)?????????????
    ?????????
  • POP (Post Office Protocol)3??????????????????????
    ?????????????????????????

?????????(??Homeserver on Vine
Linux http//www.jitaku-server.net/postfix_basic.h
tml)
20
21
???????????
  • ???????????????????
  • WWW (World Wide Web)
  • ??????Web????????????????????????Web????
  • ??????????Web????????????????Web?????????????????
    ???
  • ????????????????IE(Internet Explorer)???Web?????UR
    L????????
  • URL???????????Web??????????????Web????????????????
    ????????????????

??????????(????? ????????????????? http//www.so
umu.go.jp/main_sosiki/joho_tsusin/security/kiso/k0
1_home.htm)
21
22
???????????
  • ???????????????????
  • URL (Uniform Resource Locator)
  • ?????????????????(???????)????????????????????????
    ?????????????????????????????????????????????????
  • ? http//ja.wikipedia.org/wiki/Uniform_Resource_L
    ocator
  • HTML (HyperText Markup Language)
  • Web???????????????????????????????????????????????
  • Web Page??????????
  • Web??????????????gt???

22
23
???????????
  • ???????????????????
  • ??? (Blog)
  • ??????(weblog)?????????Web??????????????????
  • Web????????????????????????????
  • ?????????????????????????????????????
  • ????????????????????????

???????(????? ????????????????? http//www.soumu
.go.jp/main_sosiki/joho_tsusin/security/kiso/k01_b
log.htm)
23
24
???????????
  • ???????????????????
  • ?????
  • ?????????????????????????????????????????Web??????
    ??????????????????????????????????????????????????
    ?????????????????????????????????

?????????(????? ????????????????? http//www.sou
mu.go.jp/main_sosiki/joho_tsusin/security/kiso/k01
_bbs.htm)
24
25
???????????
  • ???????????????????
  • SNS (Social Networking Service)
  • ???????????????????????????Web??????????????????
    ??????????????????????????????????????????????????
    ??????????????????????????????????????????????????
    ??????

SNS????(????? ????????????????? http//www.soumu
.go.jp/main_sosiki/joho_tsusin/security/kiso/k01_s
ns.htm)
25
26
???????????
  • ???????????????????
  • ?????????
  • ?????????????????????????????????????????????????
    ?????????????????
  • ??????????????????????????
  • P2P
  • ??????????????????????????????????????????????????
    ??????????????????????????
  • ???????????????????????????????????????
  • ????????????????????????????????????????????
  • ??????????????Limewire Page ( http//www.limewire
    .com/ja )

????????????(????? ????????????????? http//www.
soumu.go.jp/main_sosiki/joho_tsusin/security/kiso/
k01_home.htm)
26
27
???????????
  • ???????????????????
  • ?????????????????
  • ??????????????????????????????????????????????????
    ??????????????????????????????????
  • ??????????????????????????????????????????????????
    ????????????????????????????

??????????(????? ????????????????? http//www.so
umu.go.jp/main_sosiki/joho_tsusin/security/kiso/k0
1_home.htm)
27
28
???????????
  • ???????????????????
  • ????? (Public key cryptosystem)
  • ???????????(??)??????????????????????????????
  • ??????????????????????????????????????????????????
    ??????????????????????????????????????????????????
    ????????????

???????(????? ????????????????? http//www.soumu
.go.jp/main_sosiki/joho_tsusin/security/kiso/k01_a
ngou.htm)
28
29
???????????
  • ???????????????????
  • SSL (Secure Socket Layer)?https
  • Netscape Communications???????????????????????????
    ??????????????????????????WWW?FTP?????????????????
    ?????????????????????????????????????????

????? ???ID?SSL(????????????)????? (??VeriSign
https//www.verisign.co.jp/repository/faq/SSL/htt
ps.html)
29
30
???????????
  • ???????????????????
  • Cookie(????)
  • Web?????????Web???????????????????????????????????
    ??????
  • Cookie????????????????????????????????????????????
    ???????
  • ???????????????????WWW????????????????????????????
    ???????????????????
  • ????Cookie???????????????????????????????????????
    ?????????????

Cookie????(?????????????????????? http//www.sou
mu.go.jp/main_sosiki/joho_tsusin/security/kiso/k01
_cookie.htm)
30
31
???????????
  • ???????????????
  • ????????????
  • Yahoo????Web?????????????????????????????????
    ??????????????
  • Google??Web????(web crawler)??Web??????????gt???
    ??????????!
  • ??????????? (?1????????)
  • ??????????????????????(?)
  • ????????????????????(?)
  • ??????????????????????(?)
  • ?????????????
  • ?????????????????
  • ???????????????? (SEOSearch Engine
    Optimization)????????????
  • ?????????????????????
  • (?)Web????Web Page????????????????????

31
32
???????????
  • Wikipedia????????(????????)
  • ???????
  • ???????? (Wikipedia)??????????????????????????????
    ?????????(wiki)??????????????????(?
    encyclopedia) ?????????????1)
  • ??????????????????????????????????????????????????
    ????????????(Wikipedia????)??????????????????????
    ?????????????????????????????????1)
  • ????????????? GFDL ???????????????????????????????
    ??????????????????????1)
  • ?? 1) http//ja.wikipedia.org/wiki/???????))
  • ????????????(Collective Intelligence?????????????
    ????????????????????????????????????????????????)
    ?????????????????????????????????????????????????
  • ??????????????????????????????????????????????????
    ???????????????

32
33
?????????
  • ??????
  • ??4? ????????(1) ????????????)?????????????????
  • ?????????(security hole)??
  • ???????????????????????????(???????????????????)??
    ?????????????????(????????????????????????)???????
    ??????????????????????????????????????????????????
    ?????????????????
  • ?????? (Spyware)??
  • ????????????????????????????????????????????????
    ????????????????
  • ???????????
  • ??????????????????????????????
  • ???????????????????????????????

33
34
?????????
  • ??????????(computer virus)
  • ????????????????????????????????????????????????
    ??
  • ??????????????????????????????USB??????????????
    ???????????
  • ??????????????????????????????????????????????????
    ?????

????????????(?????????????????????? http//www.s
oumu.go.jp/main_sosiki/joho_tsusin/security/kiso/k
04_virus.htm)
34
35
?????????
  • ????????????
  • ?????(Netiquette)
  • ??????????????????????????????????????????????????
    ?? (network) ???????? (etiquette)
    ??????????????????????????????????
  • ??????? (????????????????)
  • ????????
  • ???????????????????????????????????????????
  • ?????????????????
  • ?????????????????????????????????????
  • ???????????????????
  • ???
  • ????????????????????????????????
  • ??????????
  • ????)???????????
  • ????????????
  • ??????????????????????????

35
36
?????????
  • ?????????????? (????????????????)
  • ????????
  • ??????????????????????????????
  • ???????????????
  • ???????
  • ?????????????????????????PC???????????????
  • ???????HTML???????????(????????????)
  • To?Cc??????????????????

(????) ?????????????????????????????????? ????(??
)???????????????????? flame ??? (????) ??????? ??
????????? (http//www.cgh.ed.jp/netiquette/doc1)
36
37
??????????????
  • Gmail???
  • ??????????
  • ????????????????????????????????????????toho-u.ac.
    jp(???????)??docomo.ne.jp(docomo??)???????????????
    ?????????????????
  • ????????????????????????????????????????????????ya
    hoo?Google??????????????????????????????????
  • ??????????????????????????????????????????????????
    ?????????????????????????????????????????
  • Gmail ???????
  • Gmail
  • ????Web???
  • ????Web???
  • ????

37
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