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basics_of_dns_that_phper_should_know

 basics_of_dns_that_phper_should_know

第125回 PHP勉強会@東京 で発表したスライドです。

mamy1326

April 25, 2018
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  1. 1)1FS͕஌Δ΂͖
    %/4ͷ͖΄Μ
    ·Έ΍ͳ͓͖ !NBNZ

    "QSୈճ1)1ษڧձˏ౦ژ

    View Slide

  2. ࣗݾ঺հ
    Name ɿ·Έ΍ͳ͓͖
    ॴଐɹ ɿInnovator Japan Inc.
    Twitterɿ@mamy1326
    - ීஈ͸PHPॻ͍ͯ·͢
    - 2018೥3݄ʹDNSͷษڧΛ࢝ΊΔ
    - ࠓ೥1೥ωοτϫʔΫ͕ςʔϚ

    View Slide

  3. ຊ೔
    ࣋ͪؼͬͯ
    ͍ͨͩ͘͜ͱ

    View Slide

  4. %/4ා͘ͳ͍ʂ
    Λ఻͍͑ͨ

    View Slide

  5. งғؾͰ
    υϝΠϯ໊΍
    %/4Λ΍ͬͯΔਓ͕

    View Slide

  6. ͜Μͳ͜ͱͯ͠ΔΑ
    ͱݴ͏جຊͷҰ෦Λ
    ஌Δ͜ͱͰ

    View Slide

  7. υϝΠϯ໊ͱ
    *1ΞυϨεΛ
    લΑΓ্ख͘ѻ͑ͯ

    View Slide

  8. ࠓΑΓ΋ͬͱ
    ָ͘͠ͳΔ͖͔͚ͬ
    ʹ͍ͨ͠

    View Slide

  9. ɹɹେ׻ܴ

    View Slide

  10. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  11. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  12. 8FCαʔό͸*1ΞυϨεͰܨ͕Δ

    View Slide

  13. 8FCαΠτΛ
    ݟ͍ͨͳ
    Πϯλʔωοπ
    ॅॴͱͯ͠*1ΞυϨεࢦఆ͠
    ɹɹίϯςϯπΛϦΫΤετ⾣
    ⾢ॅॴͱͯ͠*1ΞυϨεࢦఆ͠
    ɹɹίϯςϯπΛฦ͢ ίϯςϯπΛ
    ฦ͢Α
    ΫϥΠΞϯτ
    8FCαʔό
    8FCαʔό͸*1ΞυϨεͰܨ͕Δ

    View Slide


  14. Πϯλʔωοπ
    ॅॴͱͯ͠*1ΞυϨεࢦఆ͠
    ɹɹίϯςϯπΛϦΫΤετ⾣
    ⾢ॅॴͱͯ͠*1ΞυϨεࢦఆ͠
    ɹɹίϯςϯπΛฦ͢

    8FCαʔό
    ΫϥΠΞϯτ
    8FCαʔό͸*1ΞυϨεͰܨ͕Δ

    View Slide


  15. Πϯλʔωοπ

    8FCαʔό
    ΫϥΠΞϯτ
    5$1*1
    8FCαʔό͸*1ΞυϨεͰܨ͕Δ

    View Slide

  16. %/4͕ͳ͍৔߹

    View Slide

  17. ⾣8FCαΠτΛݟ͍ͨ
    %/4͕ͳ͍৔߹

    View Slide

  18. ⾣8FCαΠτΛݟ͍ͨ
    XXXIPOOPKJOPIFOKQ
    Πϯλʔωοπ
    ϒϥ΢β 8FCαʔό
    %/4͕ͳ͍৔߹

    View Slide

  19. ⾣8FCαΠτΛݟ͍ͨ
    XXXIPOOPKJOPIFOKQ
    Πϯλʔωοπ
    υϝΠϯ໊ࢦఆ͠
    ɹɹίϯςϯπΛϦΫΤετ⾣
    ϒϥ΢β 8FCαʔό
    %/4͕ͳ͍৔߹

    View Slide

  20. ⾣8FCαΠτΛݟ͍ͨ
    XXXIPOOPKJOPIFOKQ
    Πϯλʔωοπ
    υϝΠϯ໊ࢦఆ͠
    ɹɹίϯςϯπΛϦΫΤετ⾣
    ࠓɺຊೳࣉ͕
    ೤͍
    ϒϥ΢β 8FCαʔό
    %/4͕ͳ͍৔߹

    View Slide

  21. ⾣8FCαΠτΛݟ͍ͨ
    XXXIPOOPKJOPIFOKQ
    Πϯλʔωοπ
    υϝΠϯ໊ࢦఆ͠
    ɹɹίϯςϯπΛϦΫΤετ⾣
    ϦΫΤετ͕ಧ͔ͳ͍ͷͰ
    ೤͞Λ఻͑ΒΕͳ͍ ࠓɺຊೳࣉ͕
    ೤͍
    ϒϥ΢β 8FCαʔό
    %/4͕ͳ͍৔߹

    View Slide

  22. ຊདྷ
    *1ΞυϨεΛ
    ࢦఆ͢΂͖

    View Slide

  23. ͔͠͠
    ਓؒ͸
    ਺ࣈ͕ۤख

    View Slide

  24. ⾣υϝΠϯ໊Λ࢖͏ཧ༝
    ɾਓؒ͸֮͑ΒΕͳ͍
    ɹˠͱ͔਺ࣈͷཏྻ
    ɾ*1ΞυϨεͰ͸ҙຯΛදݱͰ͖ͳ͍
    ͦ͜ͰυϝΠϯ໊ͷొ৔
    8FC΋ϝʔϧ΋υϝΠϯ໊ࢦఆ

    View Slide

  25. ⾣υϝΠϯ໊ͷϝϦοτ
    ɾ֮͑΍͍͢ʂ
    ɹˠXXXIPOOPKJOPIFOKQͳΔ΄Ͳຊೳࣉ
    ɾαʔϏεʹ߹໊ͬͨલΛબ୒
    *1ΞυϨεͷ୅ΘΓʹ
    ѼઌࢦఆͷจࣈྻʹυϝΠϯ໊
    8FC΋ϝʔϧ΋υϝΠϯ໊ࢦఆ

    View Slide

  26. υϝΠϯ໊ͱ
    *1ΞυϨεΛ
    ؔ࿈͚ͮΔඞཁ͕͋Δ

    View Slide

  27. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  28. %PNBJO/BNF4ZTUFN
    ⾣υϝΠϯ໊ͱ*1ΞυϨεΛඥ෇͚
    ɾॅॴͰ͋Δ*1ΞυϨε͕Θ͔Βͳ͍
    ɹɹˠαʔϏεड͚ΒΕͳ͍
    ɾυϝΠϯ໊Λ໰߹ͤ
    ɹɹˠ*1ΞυϨεΛԠ౴
    %/4Ͱ໊લղܾ

    View Slide

  29. ໊લղܾ
    ⾣ͬ͘͟Γͱͨ͠࢓૊Έ
    ɾυϝΠϯ໊ͷ*1ΞυϨεΛղܾ͢Δ࢓૊Έ
    ɹɹˠͦΕҎ֎ͷ໾ׂ͸ࠓճ͸࿩͠·ͤΜ
    ɾ୆ͷʮ%/4ݖҖαʔόʯʴଟ਺ͷηΧϯμϦ
    ɹɹˠ%/4ίϯςϯπαʔό
    ɾϒϥ΢β͕04ͷιϑτ΢ΣΞ΁໊લղܾΛґཔ
    ɹɹˠґཔ͞ΕΔͷ͸ελϒϦκϧό
    ɾ%/4αʔόʹ໰߹໊ͤͯલղܾ
    ɹɹˠϑϧαʔϏεϦκϧό

    View Slide

  30. ελϒϦκϧό
    ϩʔΧϧͷ
    %/4αʔό
    ࠶ؼݕࡧ
    ᶃXXXNBNZKQΛϒϥ΢βͰ࣮ߦ
    %/4Ωϟογϡαʔό
    ʢϑϧαʔϏεϦκϧόʣ
    ϧʔτ
    %/4αʔό
    KQ
    %/4αʔό
    NBNZKQ
    %/4αʔό
    NBNZKQͷ8FCαʔό
    *1
    ᶅXXXNBNZKQͷ*1ΞυϨεڭ͑ͯʂ⾣
    ⾢ᶆKQ͔ͩΒɺKQͷ%/4αʔόʹฉ͍ͯʂ
    KQͷ%/4αʔόͷ
    /4Ϩίʔυͱ"ϨίʔυΛฦ͢
    ᶇXXXNBNZKQͷ*1ΞυϨεڭ͑ͯʂ⾣
    ⾢ᶈNBNZͷ%/4αʔόʹฉ͍ͯʂ
    NBNZͷ%/4αʔόͷ
    /4Ϩίʔυͱ"ϨίʔυΛฦ͢
    ᶉXXXNBNZKQͷ*1ΞυϨεڭ͑ͯʂ⾣
    ⾢ᶊXXXNBNZKQ͸
    XXXNBNZKQͷ
    "ϨίʔυΛฦ͢


    ݕ

    ˛ᶋXXXNBNZKQͷ
    ɹ*1ΞυϨε͸
    ᶌ8FCϒϥ΢β͕ʹΞΫηε⾣
    ᶄXXXNBNZKQ
    ɹͷ*1ΞυϨε͸ʁ˝
    %/4ίϯςϯπαʔό
    ໊લղܾͷྲྀΕ

    View Slide

  31. %/4͸ॏཁͳΠϯϑϥ
    Ϣʔβ
    αʔό
    Πϯλʔωοτ
    Πϯλʔωοτ্ͷ
    αʔϏεΛड͚͍ͨ
    Ѽઌͷࢦఆ
    ⾣Ѽઌͷࢦఆ

    View Slide

  32. %/4͸ॏཁͳΠϯϑϥ
    ⾣Ѽઌ͸υϝΠϯ໊
    ɹ̴̬̱αʔϏεʜʜʜIUUQTXXXNBNZDPN
    ɹిࢠϝʔϧʜʜʜʜʜJOGP!NBNZDPN
    ɹϑΝΠϧసૹʜʜʜʜGUQGUQNBNZDPN
    υϝΠϯ໊͕͋Δ͔ΒαʔϏε͕ड͚ΒΕΔ
    ʹ
    %/4͸ΠϯλʔωοτͷΠϯϑϥ

    View Slide

  33. υϝΠϯ໊͸
    Ͳ͏؅ཧ͞ΕΔͷ͔

    View Slide

  34. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  35. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ϧʔτ

    EOT
    HBNF
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  36. υϝΠϯ໊͸໦ߏ଄
    KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ

    View Slide

  37. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  38. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  39. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  40. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    ໦ߏ଄Λ
    ൓෮໰߹ͤͰḷΔ
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  41. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    ໦ߏ଄Λ
    ൓෮໰߹ͤͰḷΔ
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    5PQ-FWFM%PNBJO
    Λ؅ཧ
    τοϓϨϕϧυϝΠϯ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  42. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    ໦ߏ଄Λ
    ൓෮໰߹ͤͰḷΔ
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    KQυϝΠϯ
    Λ؅ཧ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  43. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    ໦ߏ଄Λ
    ൓෮໰߹ͤͰḷΔ
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    DPKQυϝΠϯ
    Λ؅ཧ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  44. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    ໦ߏ଄Λ
    ൓෮໰߹ͤͰḷΔ
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    NBNZDPKQ
    υϝΠϯΛ؅ཧ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  45. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ʜ%/4
    ɹίϯςϯπαʔό
    ϧʔτ

    EOT
    HBNF
    ໦ߏ଄Λ
    ൓෮໰߹ͤͰḷΔ
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    TUVEZNBNZDPKQ
    υϝΠϯΛ؅ཧ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  46. KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ϧʔτ

    EOT
    HBNF
    ໊લۭؒ
    υϝΠϯ໊͸໦ߏ଄

    View Slide

  47. ໦ߏ଄ͱκʔϯ
    KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ

    View Slide

  48. ໦ߏ଄ͱκʔϯ
    KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    ϧʔτͷ
    ωʔϜαʔό
    ͷκʔϯ

    View Slide

  49. ໦ߏ଄ͱκʔϯ
    KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ
    KQͷ
    ωʔϜαʔόͷκʔϯ

    View Slide

  50. ໦ߏ଄ͱκʔϯ
    KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    DPKQͷ
    ωʔϜαʔόͷκʔϯ
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ

    View Slide

  51. ໦ߏ଄ͱκʔϯ
    KQ
    OFU
    DP
    BD
    NBNZ
    NBNZ
    TUVEZ
    IPCCZ
    VL
    DPN
    NBNZDPKQͷ
    ωʔϜαʔόͷκʔϯ
    ϧʔτ

    EOT
    HBNF
    8FCαʔό

    EOTTUVEZNBNZDPKQ

    View Slide

  52. ໦ߏ଄ͱκʔϯ
    ⾣υϝΠϯ໊ิ଍
    ɾυϝΠϯ໊͸ӈ͔Βղऍ
    ɹˠτοϓ
    ˠKQˠDPˠNBNZˠʜ
    ɾKQυϝΠϯ͸+134؅׋ +B1BO3FHJTUSZ4FSWJDFT

    ɹˠKQυϝΠϯͷ૯ݩకΊ
    ɾඇӦརஂମ*$"//
    *OUFSOFU$PSQPSBUJPOGPS"TTJHOFE/BNFTBOE/VNCFST

    ɹˠυϝΠϯͱ*1ΞυϨεͷ૯ݩకΊ

    View Slide

  53. ໦ߏ଄ͱκʔϯ
    ⾣κʔϯิ଍
    ɾ؅׋υϝΠϯͷ૚͕κʔϯ
    ɹˠ53*$,ʹग़ͯ͘Δ୯ޠͰ͸ͳ͍
    ɾκʔϯʹ͸%/4ίϯςϯπαʔό͕͋Δ
    ɹˠ൓෮ݕࡧͰͭͳ͍Ͱߦ͘
    ɾجຊతʹࣗ෼ͷκʔϯ͚ͩΛ؅ཧ

    ɹˠκʔϯϑΝΠϧͷهड़ʹΑͬͯ͸ෳ਺؅ཧ

    View Slide

  54. κʔϯϑΝΠϧͷ
    த਎ͷ࿩

    View Slide

  55. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  56. ໊લղܾͷԠ౴
    ⾣Ԡ౴͢Δ৘ใ͕ඞཁ
    ɾ໊લղܾͷԠ౴༻ϨίʔυΛ࣋ͭ
    ɹɹˠ֤%/4ίϯςϯπαʔόͰσʔλϕʔεԽ
    ɾυϝΠϯ໊ͷ໰߹ͤʹԠ౴͢Δ
    ɹɹˠ໊લղܾͰ͖Δ
    Ԡ౴͢ΔϨίʔυΛ
    ϦιʔεϨίʔυͱݺͿ

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  57. ϦιʔεϨίʔυ
    ⾣%/4ίϯςϯπαʔό͕؅ཧ
    ɾσʔλϕʔεԽ͞ΕͨκʔϯϑΝΠϧͷத਎
    ɹˠ؅ཧԼͷϗετʢαʔόʣͳͲͷ৘ใ
    ɾܾ·ͬͨϑΥʔϚοτ͕͋Δ
    ɹˠυϝΠϯ໊ɺϗετ໊ɺछྨɺઃఆ஋
    ɾ༻్ʹԠ༷ͯ͡ʑͳछྨ͕͋Δ
    ɹˠ/4ɺ"ɺ$/".&ɺ.9ɺ40"ɺͳͲͳͲ
    ɹɹ"84ͩͱ3PVUFʹొ࿥͢Δ

    View Slide

  58. ୅දతͳ
    ϦιʔεϨίʔυ
    ʢ/4ɺ"ʣ

    View Slide

  59. /4 /BNF4FSWFS

    Ϩίʔυ
    ⾣υϝΠϯ໊ͷ໰͍߹ΘͤઌΛද͢
    ɾ؅ཧ͍ͯ͠Δ%/4ίϯςϯπαʔόͷҕୗઌ
    ɹˠυϝΠϯ໊NBNZKQ͸͜ͷ%/4αʔόʹฉ͍ͯ͘Ε
    ɾ/4ϨίʔυΛυϝΠϯ໊ʹؔ࿈͚ͮΔ
    ɹˠυϝΠϯ໊Λऔಘͨ͠ͱ͜Ζʹ໊લղܾઌΛొ࿥
    ɾྫɿ໊͓લͷυϝΠϯ໊ͷ%/4Λ"84Ͱ؅ཧ͍ͨ͠
    ɹˠᶃ3PVUFʹ)PTUFE[POF ؅ཧ͍ͨ͠υϝΠϯ໊
    Λొ࿥
    ɹɹᶄ/4Ϩίʔυ͕ҰఆͷϧʔϧͰ࡞ΒΕɺ%/4αʔόׂΓ౰ͯ
    ɹɹᶅ%/4αʔό໊Λ໊͓લͷ֘౰υϝΠϯ໊ʹొ࿥

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  60. ⾣ओͳϑΥʔϚοτ
    ໊લ λΠϓ 55- σʔλ 3%"5"

    NBNZKQ /4 OTBXTEOTDPN
    /4 /BNF4FSWFS

    Ϩίʔυ
    ɾ໊લ
    ɹɹˠϦιʔεϨίʔυͷ໊લɻ/4ͷ৔߹͸υϝΠϯ໊ͱͳΔ
    ɾλΠϓ
    ɹɹˠϦιʔεϨίʔυΛࣝผ͢ΔλΠϓɻ/4͸ωʔϜαʔόʔΛද͢
    ɾ55-
    ɹɹˠϦιʔεϨίʔυΛΩϟογϡ͢Δ࣌ؒ ඵ

    ɾσʔλ
    ɹɹˠλΠϓʹґଘ͢Δσʔλɻ/4ͷ৔߹͸%/4ίϯςϯπαʔό໊

    View Slide

  61. ⾣EJHίϚϯυͰݟΔ
    /4 /BNF4FSWFS

    Ϩίʔυ
    EJH"/:ZPVSTHNPKQ
    ʢதུʣ
    26&45*0/4&$5*0/
    ZPVSTHNPKQ */ "/:
    "/48&34&$5*0/
    ZPVSTHNPKQ */ "
    "65)03*5:4&$5*0/
    HNPKQ */ /4 OTHNPJOUFSOFUKQ
    HNPKQ */ /4 OTHNPJOUFSOFUKQ
    HNPKQ */ /4 OTHNPJOUFSOFUDPN
    "%%*5*0/"-4&$5*0/
    OTHNPJOUFSOFUDPN
    */ "
    OTHNPJOUFSOFUKQ */ "
    OTHNPJOUFSOFUDPN
    */ """"
    OTHNPJOUFSOFUKQ */ """"
    %/4ίϯςϯπαʔό໊

    View Slide

  62. ⾣EJHίϚϯυͰݟΔ
    /4 /BNF4FSWFS

    Ϩίʔυ
    EJH"/:ZPVSTHNPKQ
    ʢதུʣ
    26&45*0/4&$5*0/
    ZPVSTHNPKQ */ "/:
    "/48&34&$5*0/
    ZPVSTHNPKQ */ "
    "65)03*5:4&$5*0/
    HNPKQ */ /4 OTHNPJOUFSOFUKQ
    HNPKQ */ /4 OTHNPJOUFSOFUKQ
    HNPKQ */ /4 OTHNPJOUFSOFUDPN
    "%%*5*0/"-4&$5*0/
    OTHNPJOUFSOFUDPN
    */ "
    OTHNPJOUFSOFUKQ */ "
    OTHNPJOUFSOFUDPN
    */ """"
    OTHNPJOUFSOFUKQ */ """"
    %/4ίϯςϯπαʔόͷ
    ࣮ࡍͷ*1ΞυϨε

    View Slide

  63. " "EESFTT

    Ϩίʔυ
    ⾣υϝΠϯ໊ʹରԠ͢Δ*1ΞυϨε
    ɾ*1Wͷ*1ΞυϨεΛॻ͘
    ɹˠ*1Wͷ৔߹ɺ""""Ϩίʔυʹॻ͘
    ɾαʔϏε͍ͯ͠Δαʔόͷ*1ΞυϨε
    ɹˠ8FCαʔόͩͬͨΓɺϩʔυόϥϯαʔͩͬͨΓ
    ɾਖ਼Ҿ͖༻ͷϨίʔυ
    ɹˠυϝΠϯ໊͔Β*1ΞυϨεΛಘΔ͜ͱΛਖ਼Ҿ͖ͱ͍͏

    View Slide

  64. ⾣ओͳϑΥʔϚοτ
    ໊લ λΠϓ 55- σʔλ 3%"5"

    NBNZKQ "
    ɾ໊લ
    ɹɹˠϦιʔεϨίʔυͷ໊લɻ"ͷ৔߹͸υϝΠϯ໊ͱͳΔ
    ɾλΠϓ
    ɹɹˠϦιʔεϨίʔυΛࣝผ͢ΔλΠϓɻ"͸*1ΞυϨεΛද͢
    ɾ55-
    ɹɹˠϦιʔεϨίʔυΛΩϟογϡ͢Δ࣌ؒ ඵ

    ɾσʔλ
    ɹɹˠλΠϓʹґଘ͢Δσʔλɻ"ͷ৔߹͸αʔόͷ*1ΞυϨε
    " "EESFTT

    Ϩίʔυ

    View Slide

  65. ⾣EJHίϚϯυͰݟΔ
    EJH"/:ZPVSTHNPKQ
    ʢதུʣ
    26&45*0/4&$5*0/
    ZPVSTHNPKQ */ "/:
    "/48&34&$5*0/
    ZPVSTHNPKQ */ "
    "65)03*5:4&$5*0/
    HNPKQ */ /4 OTHNPJOUFSOFUKQ
    HNPKQ */ /4 OTHNPJOUFSOFUKQ
    HNPKQ */ /4 OTHNPJOUFSOFUDPN
    "%%*5*0/"-4&$5*0/
    OTHNPJOUFSOFUDPN
    */ "
    OTHNPJOUFSOFUKQ */ "
    OTHNPJOUFSOFUDPN
    */ """"
    OTHNPJOUFSOFUKQ */ """"
    υϝΠϯ໊ʹରԠ͢Δ
    *1ΞυϨε
    " "EESFTT

    Ϩίʔυ

    View Slide

  66. ϦιʔεϨίʔυ·ͱΊ
    ⾣/4Ϩίʔυ͕ͳ͍ͱʁ
    ɾ%/4ίϯςϯπαʔό͕Θ͔Βͳ͍
    ɹˠυϝΠϯ໊؅ཧͷҕୗઌ͕ෆ໌ʹ໊લղܾͰ͖ͳ͍
    ⾣"Ϩίʔυ͕ͳ͍ͱʁ
    ɾαʔϏε͍ͯ͠Δαʔό͕Θ͔Βͳ͍
    ɹˠ*1ΞυϨεΛԠ౴Ͱ͖ͳ͍ʹαʔϏεͰ͖ͳ͍

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  67. Ͱʁ
    %/4ίϯςϯπαʔό
    ͬͯԿʁ

    View Slide

  68. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  69. ίϯςϯπαʔόͱ͸
    ⾣໾ׂ
    ɾΫϥΠΞϯτͷ໰߹ͤʹϦιʔεϨίʔυԠ౴
    ɹɹˠݖҖαʔόͱɺͦͷηΧϯμϦαʔό
    ɾϦιʔεϨίʔυΛఏڙ͢Δଆ
    ɹɹˠϧʔτɺKQ 5-%
    ɺDP 4-%
    ɺNBNZɺFUD
    ɾκʔϯϑΝΠϧͰϦιʔεϨίʔυ؅ཧ
    ɹɹˠࣗ෼ͷ؅׋ͷκʔϯʹؔ͢Δ৘ใΛσʔλϕʔεԽ
    ɾΘ͔Βͳ͍৔߹͸ʮΘ͔ΒΜʯͱ౴͑Δ
    ɹɹˠυϝΠϯ͕·ͩऔಘ͞Εͯͳ͍ɺ/4Ϩίʔυ͕ͳ͍৔߹ͳͲ

    View Slide

  70. ݖҖαʔό
    ⾣ϧʔταʔό͸ੈքʹ୆
    ɹˠ6%1ͷ࠷େύέοταΠζʮCZUFʯʹऩ·Δݶք
    ⾣ϧʔτ͔ΒݖݶҕৡͰ໦ߏ଄Ͱ໊લۭؒ
    ɹˠυϝΠϯͷ਺ͷαʔόͰ෼ࢄ؅ཧ
    ⾣໊લۭؒͷ%/4 ίϯςϯπ
    αʔό͕ݖҖαʔό
    ɹˠԠ౴͢Δଆ͢΂͕ͯݖҖαʔό
    ⾣Θ͔Βͳ͍৔߹͸ʮΘ͔ΒΜʯͱ౴͑Δ
    ɹˠυϝΠϯ͕औಘ͞Εͯͳ͍ɺ/4Ϩίʔυ͕ͳ͍৔߹ͳͲ

    View Slide

  71. ηΧϯμϦαʔό
    ⾣υϝΠϯʹରͭͩ͠ͱऑ͍ ϓϥΠϚϦ

    ɹˠෛՙ΋͔͔Δ͠ɺো֐͕ى͖Δͱ໊લղܾͰ͖ͳ͍
    ⾣ηΧϯμϦαʔόͰ৑௕ߏ੒
    ɹˠϓϥΠϚϦͷκʔϯ ϑΝΠϧ
    ৘ใΛҰఆظؒͰίϐʔ
    ⾣ηΧϯμϦͰ୅ཧԠ౴
    ɹˠϓϥΠϚϦ͕Ԡ౴Ͱ͖ͳ͍৔߹

    View Slide

  72. ϒϥ΢β͔Β͸
    Ͳ͏ͳͬͯΔ
    Μͩͬͯ͹Α

    View Slide

  73. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  74. ελϒϦκϧόͱ͸
    ⾣ΞϓϦέʔγϣϯ͔Β໊લղܾͷґཔΛड͚Δ
    ɹˠ୺຤ʢ1$ʣʹ࣮૷͞Ε͍ͯΔʢϒϥ΢βͳͲ͔Βݺ͹ΕΔʣ
    ⾣04໊͕࣋ͭલղܾͷιϑτ΢ΣΞ
    ɹˠΞϓϦέʔγϣϯͱϑϧαʔϏεϦκϧόͷڮ౉͠ தܧ

    ⾣࠶ؼ໰߹ͤ
    ɹˠ*1ΞυϨεΛಘΔ͔ɺυϝΠϯ͕ଘࡏ͠ͳ͍͔ΛಘΔ

    View Slide

  75. ελϒϦκϧόͷಈ࡞
    ΫϥΠΞϯτ
    Ϣʔβ
    ΞϓϦέʔγϣϯ
    ελϒϦκϧό
    %/4Ωϟογϡαʔό
    ϑϧαʔϏεϦκϧό

    View Slide

  76. ελϒϦκϧόͷಈ࡞
    ΫϥΠΞϯτ
    Ϣʔβ
    ΞϓϦέʔγϣϯ
    ελϒϦκϧό
    ᶃXXXNBNZKQʹ
    ɹ͋Δ8FCαΠτΛݟ͍ͨͳ
    %/4Ωϟογϡαʔό
    ϑϧαʔϏεϦκϧό

    View Slide

  77. ελϒϦκϧόͷಈ࡞
    ΫϥΠΞϯτ
    Ϣʔβ
    ΞϓϦέʔγϣϯ
    ελϒϦκϧό
    ᶃXXXNBNZKQʹ
    ɹ͋Δ8FCαΠτΛݟ͍ͨͳ
    ᶄXXXNBNZKQ
    ɹͰ͸Θ͔Βͳ͍͔Β
    ɹ໊લղܾ͓ئ͍Ͷ
    %/4Ωϟογϡαʔό
    ϑϧαʔϏεϦκϧό

    View Slide

  78. ελϒϦκϧόͷಈ࡞
    ΫϥΠΞϯτ
    Ϣʔβ
    ΞϓϦέʔγϣϯ
    ελϒϦκϧό
    ᶃXXXNBNZKQʹ
    ɹ͋Δ8FCαΠτΛݟ͍ͨͳ
    ᶄXXXNBNZKQ
    ɹͰ͸Θ͔Βͳ͍͔Β
    ɹ໊લղܾ͓ئ͍Ͷ
    ᶅXXXNBNZKQ
    ɹΛωʔϜαʔόʹ
    ɹ໰͍߹ΘͤΔΑ
    %/4Ωϟογϡαʔό
    ϑϧαʔϏεϦκϧό

    ໰͍߹Θͤ

    View Slide

  79. ελϒϦκϧόͷಈ࡞
    ΫϥΠΞϯτ
    Ϣʔβ
    ΞϓϦέʔγϣϯ
    ελϒϦκϧό
    ᶃXXXNBNZKQʹ
    ɹ͋Δ8FCαΠτΛݟ͍ͨͳ
    ᶄXXXNBNZKQ
    ɹͰ͸Θ͔Βͳ͍͔Β
    ɹ໊લղܾ͓ئ͍Ͷ
    ᶅXXXNBNZKQ
    ɹΛωʔϜαʔόʹ
    ɹ໰͍߹ΘͤΔΑ
    %/4Ωϟογϡαʔό
    ϑϧαʔϏεϦκϧό

    ໰͍߹Θͤ
    Ԡ౴
    ᶆԠ౴Λड͚औͬͨͷͰ
    ɹ݁ՌΛ౉͢Α

    View Slide

  80. ϑϧαʔϏεϦκϧόͱ͸
    ⾣ελϒϦκϧό͔Β໊લղܾͷґཔΛड͚Δ
    ɹˠҰൠతʹ*41ʢϓϩόΠμʣʹ͋Δʢͱࢥͬͱ͍ͯʣ
    ⾣൓෮໰߹ͤΛߦ͍*1ΞυϨεͷରԠ͚ͮ
    ɹˠϧʔτˠKQˠDPˠNBNZˠ*1ΞυϨεήοτ
    ɹɹ୯ಠͰɺ࠷ޙ·Ͱ׬શʹ໊લղܾΛߦ͏
    ⾣Ωϟογϡ͢Δ
    ɹˠ55-ͷ͚࣌ؒͩΩϟογϡΛ࣋ͭɻΏ͑ʹผ໊Ωϟογϡαʔό
    ⾣κʔϯ৘ใ͸؅ཧ͠ͳ͍
    ɹˠ͋͘·Ͱ΋%/4ίϯςϯπαʔόʹ໰߹ͤ͢Δଆ

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  81. ͭ·Γ
    ·ͱΊΔͱʁ

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  82. ͓࿩͢Δ͜ͱ
    ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ
    ▶︎ ໊લղܾ
    ▶︎ ໦ߏ଄ͱκʔϯ
    ▶︎ ϦιʔεϨίʔυ
    ▶︎ ίϯςϯπαʔό
    ▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό
    ▶︎ DNS·ͱΊ

    View Slide

  83. %/4·ͱΊ

    ⾣Զͨͪ͸໊લղܾͰੜ͔͞Ε͍ͯΔ
    ɹˠυϝΠϯ໊ͱ*1ΞυϨεɺ໦ߏ଄ɺκʔϯ
    ⾣໊લղܾʹ͸ϦιʔεϨίʔυ͕ඞཁ
    ɹˠ%/4 ίϯςϯπ
    αʔό͕؅׋ͷκʔϯΛ؅ཧ͍ͯ͠Δ
    ɹɹ/4ɺ"ɺ40"ɺ.9ɺ$/".&ɺͳͲ͕͋Δ
    ⾣໾ׂ͕෼͔Ε͍ͯΔ
    ɹˠΞϓϦέʔγϣϯʢϒϥ΢βͳͲʣɺελϒϦκϧόɺ
    ɹɹϑϧαʔϏεϦκϧόɺ%/4ίϯςϯπαʔόʢݖҖʣ

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  84. %/4·ͱΊ

    ⾣౷Ұ࢓༷Ͱ࣮૷͞Εɺ࣮ݱ͞Ε͍ͯΔ
    ɹˠ*$"//ɺ+134 ϨδετϦ
    ɺ໊͓લ Ϩδετϥ

    ⾣ෛՙ෼ࢄ΍ো֐ରࡦͰ৑௕ߏ੒
    ɹˠϓϥΠϚϦͱηΧϯμϦ
    ⾣ΩϟογϡΛϑϧ׆༻
    ɹˠϑϧαʔϏεϦκϧόʢ%/4Ωϟογϡαʔόʣ
    ɹɹ͚ͩͰͳ͘ɺ༷ʑͳ৔ॴʹΩϟογϡʢ55-ʣ

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  85. %/4͸ා͘ͳ͍Αʂ

    View Slide

  86. ʮΘ͔Βͳ͍ʯʹ
    دΓఴ͍͍ͨ
    %/4Λ͸͡ΊΑ͏ɹͷ
    ஶऀ͞Μ͔ΒҾ༻

    View Slide

  87. ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ

    View Slide

  88. ࢀߟจݙ
    ɾٕज़ॻయͰߪೖ
    ɾ#005)Ͱ΋1%'ൢചˏ=
    ɹɹIUUQTCPPUIQNKBJUFNT
    ɾʮ෼͔Βͳ͍ؾ࣋ͪʯʹدΓఴ͏ஶऀ
    ɾࣗવʹεοͱೖͬͯ͘Δ಺༰
    ɾBNB[POͰߪೖ
    ɾ5$1*1ͷجૅ͔Β%/4ɺ'51ͳͲ໢ཏੑߴ͍
    ɾݩ͸ʮ෼ؒωοτϫʔΩϯάʯ
    ɹɹIUUQXXXFCJHMPCFOFKQBKJNJO
    ɾௐ΂ͳ͕Βਂ۷Γ͢Δຊ

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