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ホスティングにおける安定運用のためのアクセスコントロール手法

Takuma Kume
October 07, 2017

 ホスティングにおける安定運用のためのアクセスコントロール手法

ペパボ・はてな技術大会〜インフラ技術基盤〜@福岡
「ホスティングにおける安定運用のためのアクセスコントロール手法」
https://pepabo.connpass.com/event/65932/

Takuma Kume

October 07, 2017
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  1. ٱถ୓അ(.01FQBCP *OD

    ϖύϘɾ͸ͯͳٕज़େձʙΠϯϑϥٕज़ج൫ʙ
    ϗεςΟϯάʹ͓͚Δ҆ఆӡ༻ͷͨΊͷ
    ΞΫηείϯτϩʔϧख๏

    View Slide

  2. ࣗݾ঺հ
    ٱถ ୓അ (@takumakume)
    2016೥4݄͔ΒϖύϘʹೖࣾ
    ΠϯϑϥΤϯδχΞ

    View Slide

  3. ϩϦϙοϓʂ
    ֹ݄ԁ͔Βར༻Ͱ͖Δʂ
    ສαΠτҎ্ӡ༻தʂ
    ඵؒ໿ສઍϦΫΤετΛॲཧʂ

    View Slide

  4. ϗεςΟϯάʹ͓͚Δ҆ఆӡ༻ͷͨΊͷ
    ΞΫηείϯτϩʔϧख๏

    View Slide

  5. ໨࣍
    wϗεςΟϯάαʔϏεͷ҆ఆӡ༻͕؆୯Ͱ͸ͳ͍ཧ༝
    w͜Ε·ͰͷΞΫηείϯτϩʔϧख๏ͷ঺հͱ՝୊
    w՝୊Λղܾͨ͠৽͍͠ΞΫηείϯτϩʔϧख๏ͷ঺հ
    w·ͱΊ

    View Slide

  6. ຊ೔ͷεϥΠυͰ͸ɺߴෛՙͷαΠτʹରͯ͠
    ΞΫηε੍ޚΛ࣮ࢪ͢Δख๏ʹ͍ͭͯͷ঺հΛ
    ͠·͢ɻ
    ͢΂ͯͷ໨త͸ɺαʔϏεͷ҆ఆӡ༻ͱɺΑΓ
    ଟ͘ͷ͓٬༷͕շదʹ͝ར༻͍͚ͨͩΔΑ͏ʹ
    ͢Δ͜ͱ͕೦಄ʹ͋Γ·͢ʂ

    View Slide

  7. ϗεςΟϯάαʔϏεͷ҆ఆӡ༻͕
    ؆୯Ͱ͸ͳ͍ཧ༝

    View Slide

  8. ͦͷલʹɺͱ͋Δ8FCαʔϏεͷαʔόͷ
    $16࢖༻཰ΛݟͯΈ·͢ɻ

    View Slide

  9. $16࢖༻཰
    ͱ͋Δ8FCαʔϏεͷ$16࢖༻཰
    ࣌ ࣌


    View Slide

  10. ࣌ ࣌

    ΰʔϧσϯλΠϜ
    னٳΈ
    όονॲཧ
    ͱ͋Δ8FCαʔϏεͷ$16࢖༻཰

    View Slide

  11. ΰʔϧσϯλΠϜ
    னٳΈ
    όονॲཧ
    $16࢖༻཰
    8FCαʔϏεͷ৔߹͸λʔήοτ΍࣮૷Λ
    ೺Ѳ͍ͯ͠ΔͨΊɺ܏޲Λ૝૾͠΍͍͢

    View Slide

  12. Ͱ͸ɺϗεςΟϯάαʔόͷ
    $16࢖༻཰ΛݟͯΈ·͢ɻ

    View Slide

  13. ࣌ ࣌ ࣌

    ϗεςΟϯάαʔόͷ$16࢖༻཰

    View Slide

  14. ϗεςΟϯάαʔόͷ$16࢖༻཰

    Կ͔͕ಈ͍͍ͯΔ

    View Slide

  15. ϗεςΟϯάαʔόͷ৔߹͸ɺ
    ༷ʑͳϓϩάϥϜ͕࣮ߦ͞ΕΔͨΊෛՙͷ
    ݪҼ΋༷ʑͰରԠ͠ʹ͍͘

    View Slide

  16. ༷ʑͳෛՙͷݪҼ

    ੬ऑੑ
    ੬ऑੑͷ͋Δ$.4ͳͲΛܦ༝ͯ͠ෆਖ਼ͳॲཧ͕࣮ߦ͞ΕΔɻ
    ߈ܸ
    αʔό୆౰ͨΓͷαΠτ਺͕ଟ͍ͨΊ߈ܸͷର৅ʹͳΓ΍͍͢ɻ
    ϢʔβϓϩάϥϜ
    ϗεςΟϯάͰ͸ࣗ༝ʹϓϩάϥϜͷ࣮ߦ͕Մೳͳ؀ڥɻ
    େྔʹϦιʔεΛফඅ͢ΔϓϩάϥϜ͕࣮ߦ͞ΕΔ͜ͱ͕͋Δɻ
    ͳͲʜ

    View Slide

  17. ͜ΕΒʹରͯ͠Կͷରࡦ΋͠ͳ͍৔߹
    αʔό͸ߴෛՙͳঢ়ଶͱͳΓ
    αʔϏεͷఏڙ඼࣭͕௿Լͯ͠͠·͏

    View Slide

  18. ͜Ε·ͰͷΞΫηείϯτϩʔϧख๏

    View Slide

  19. NPE@WIPTU@NBYDMJFOUT
    "QBDIFIUUQE
    7JSUVBM)PTU
    # httpd.conf

    DocumentRoot /path/to/web
    ServerName www.example.jp
    VhostMaxClients 3


    w"QBDIFͷϞδϡʔϧ
    w7JSUVBM)PTUຖͷ࠷େಉ࣌઀ଓ਺Λ੍ݶ͢Δ͜ͱ͕Ͱ͖Δ
    8FCΞΫηε

    View Slide

  20. NPE@WIPTU@NBYDMJFOUT
    "QBDIFIUUQE
    7JSUVBM)PTU
    ಛఆͷ7JSUVBM)PTU΁ͷภΓΛ๷ࢭ
    ॏ͍εΫϦϓτͷଟॏ࣮ߦΛ๷ࢭ

    8FCΞΫηε
    w"QBDIFͷϞδϡʔϧ
    w7JSUVBM)PTUຖͷ࠷େಉ࣌઀ଓ਺Λ੍ݶ͢Δ͜ͱ͕Ͱ͖Δ

    View Slide

  21. NPE@WIPTU@NBYDMJFOUTʹΑΔ੍ݶͷࣗಈԽγεςϜ

    04
    IUUQE
    MPH DPOpH
    (PMBOH ࣗಈ੍ޚγεςϜ

    ᶃ؂ࢹ ᶄղੳ ᶅઃఆ
    ᶆ൓ө
    ؂ࢹ
    ɾϩʔυΞϕϨʔδ
    ɾ)551Ϩεϙϯε
    ղੳ
    ઃఆ ݪҼαΠτʹಉ࣌઀ଓ਺੍ݶΛઃఆ
    ൓ө IUUQEͷHSBDFGVMSFTUBSUΛ࣮ߦ
    ϩά͔ΒෛՙݪҼͷαΠτΛಛఆ
    ෛՙͷߴ͍αΠτʹࣗಈతʹ੍ݶΛߦ͏γεςϜΛ(PMBOHͰ։ൃ

    View Slide

  22. ͜Ε͚ͩͰ͸ߴෛՙରࡦ͕
    ෆे෼ͩͬͨ

    View Slide

  23. ՝୊

    View Slide

  24. ՝୊

    ੍ޚ୯Ґ
    7JSUVBM)PTUຖͷ੍ޚͷΈߦ͏
    ⇛ෛՙύλʔϯʹΑͬͯ͸ɺΞΧ΢ϯτ୯Ґ΍ϑΝΠϧ୯Ґ
    ɹͳͲ੍ޚ୯ҐΛม͍͑ͨɻ
    ൓өʹ͸HSBDFGVMSFTUBSU͕ඞཁ
    ⇛HSBDFGVMSFTUBSUͷॲཧ͸ॏ͘Ϩεϙϯε஗ԆͷݪҼʹ
    ɹͳΔͨΊۃྗ࣮ߦͨ͘͠ͳ͍ɻ
    ൓өॲཧ
    ಉ࣌઀ଓ਺੍ݶͷΈߦ͏
    ⇛୯ൃͰେྔͷϦιʔεΛফඅ͢ΔϓϩάϥϜʹରԠͰ͖ͳ͍ɻ
    ɹϦιʔεͷ੍ݶ΋࣮ࢪ͍ͨ͠ɻ
    ੍ݶखஈ

    View Slide

  25. ཁٻ͕૿͑Δʹ࿈Εͯطଘͷιϑτ΢ΣΞ
    ͷΈͰ͸՝୊Λղܾ͠ʹ͘͘ͳͬͨ

    View Slide


  26. ͜Ε·Ͱɺ՝୊͕͋Δ΋ͷͷ
    ίʔυʹམͱ͠ࠐΜͰ͍͘εϐʔυ͕
    ஗͔ͬͨɻ

    View Slide

  27. ӡ༻πʔϧ͸೔ʑਐԽ͕ඞཁͰ͋Δ

    View Slide

  28. ࠷ॳ͔Β׬ᘳͳιϑτ΢ΣΞΛ࡞Δ
    ͜ͱ͸Ͱ͖ͳ͍
    ਐԽͤ͞΍͍͢ج൫Λ࡞Γ͍ͨʂ

    View Slide

  29. NPE@NSVCZ


    View Slide

  30. NPE@NSVCZͱ͸ʁ

    wฐࣾͷ!NBUTVNPUPSZ͕։ൃ͍ͯ͠ΔIUUQEͷϞδϡʔϧ
    wϓϩηεͷىಈ΍ϦΫΤετͷλΠϛϯάͳͲΛܖػʹ
    NSVCZͷεΫϦϓτΛ࣮ߦͰ͖Δɻ
    wϦΫΤετύϥϝʔλΛऔಘͨ͠Γ೚ҙͷεςʔλείʔ
    υΛฦͨ͠ΓͰ͖Δɻ

    View Slide

  31. NPE@NSVCZΛબΜͩཧ༝

    View Slide

  32. NPE@NSVCZΛબΜͩཧ༝

    ߴ଎ͳॲཧ΍$ݴޠͷϥΠϒϥϦΛ࢖͍͍ͨ৔߹͸NSCHFN
    ͱ͍͏֦ுػೳΛ࢖ͬͯ$ݴޠͰͷ࣮૷΋ՄೳͱͳΔɻ
    ։ൃऀͷ!NBUTVNPUPSZ͕ࡏ੶͍ͯ͠Δɻ
    NPE@NSVCZΛ༻͍Δ͜ͱͰIUUQEͷৼΔ෣͍Λ
    ։ൃޮ཰͕Α͍3VCZߏจͰΧελϚΠζ͢Δ͜ͱ͕Ͱ͖Δɻ
    ʢैདྷ͸.PEVMFΛ$ݴޠͰ։ൃ͢Δඞཁ͕͋ͬͨɻʣ

    View Slide

  33. NPE@NSVCZΛબΜͩཧ༝

    NPE@NSVCZΛ༻͍Δ͜ͱͰIUUQEͷৼΔ෣͍Λ3VCZߏจͰ
    ΧελϚΠζ͢Δ͜ͱ͕Ͱ͖Δɻ3VCZ͸։ൃޮ཰͕ྑ͍ɻ
    ʢैདྷ͸.PEVMFΛ$ݴޠͰ։ൃ͢Δඞཁ͕͋ͬͨɻʣ
    ߴ଎ͳॲཧ΍$ݴޠͷϥΠϒϥϦΛ࢖͍͍ͨ৔߹͸NSCHFN
    ͱ͍͏֦ுػೳΛ࢖ͬͯ$ݴޠͰͷ࣮૷΋ՄೳͱͳΔɻ
    ։ൃऀͷ!NBUTVNPUPSZ͕ࡏ੶͍ͯ͠Δɻ
    ֦ுੑɺอकੑΛଛͳΘͣ
    ޮ཰Α͘։ൃՄೳ

    View Slide

  34. NPE@NSVCZΛબΜͩཧ༝

    NPE@NSVCZΛ༻͍Δ͜ͱͰIUUQEͷৼΔ෣͍Λ3VCZߏจͰ
    ΧελϚΠζ͢Δ͜ͱ͕Ͱ͖Δɻ3VCZ͸։ൃޮ཰͕ྑ͍ɻ
    ʢैདྷ͸.PEVMFΛ$ݴޠͰ։ൃ͢Δඞཁ͕͋ͬͨɻʣ
    ߴ଎ͳॲཧ΍$ݴޠͷϥΠϒϥϦΛ࢖͍͍ͨ৔߹͸NSCHFN
    ͱ͍͏֦ுػೳΛ࢖ͬͯ$ݴޠͰͷ࣮૷΋ՄೳͱͳΔɻ
    ։ൃऀͷ!NBUTVNPUPSZ͕ࡏ੶͍ͯ͠Δɻ
    ਐԽ͠ଓ͚Δ͜ͱ͕Ͱ͖Δ

    View Slide

  35. NPE@NSVCZΛ࣠ͱͨ͠
    ৽͍͠ΞΫηείϯτϩʔϧख๏

    View Slide

  36. IUUQBDDFTTMJNJUFSͱ͍͏
    ιϑτ΢ΣΞͷΞʔΩςΫνϟΛϕʔεʹ
    ৽͍͠ΞΫηείϯτϩʔϧج൫Λ։ൃ

    View Slide

  37. IUUQBDDFTTMJNJUFS
    NSVCZΛ࢖ͬͯϦΫΤετύϥϝʔλΛݩʹಉ࣌઀ଓ਺ΛΧ΢ϯτ͢Δ
    IUUQENPE@NSVCZ
    ᶃlFYBNQMFDPNzʹΞΫηε
    1)1΍$(*ͳͲ

    ,74
    ,FZ
    FYBNQMFDPN
    7BMVF

    ಉ࣌઀ଓ਺
    Χ΢ϯλʔ
    ᶄΠϯΫϦϝϯτ
    ᶅॲཧ ᶆσΫϦϝϯτ
    ͜ͷΑ͏ͳྲྀΕͰಉ࣌઀ଓ਺ΛΧ΢ϯτ͢Δ

    View Slide

  38. IUUQBDDFTTMJNJUFSΛ࢖ͬͯղܾͰ͖Δ͜ͱ

    View Slide

  39. IUUQBDDFTTMJNJUFSΛ࢖ͬͯղܾͰ͖Δ͜ͱ

    ੍ޚ୯Ґ
    NPE@NSVCZͰऔಘͰ͖ΔϦΫΤετύϥϝʔλΛ
    શͯར༻Ͱ͖Δɻ
    ઃఆ൓ө
    NSVCZΛ࢖ͬͯ؆୯ʹɺHSBDFGVMSFTUBSUΛඞཁͱ
    ͠ͳ͍൓өํ๏Ͱ࣮૷͢Δ͜ͱ͕Ͱ͖Δɻ

    View Slide

  40. IUUQBDDFTTMJNJUFSΛϕʔεʹ
    ௥ՃػೳΛ࣮૷

    View Slide

  41. ੍ݶ಺༰ͷ؅ཧ

    View Slide

  42. ੍ݶ಺༰ͷ؅ཧ
    ੍ݶର৅͝ͱͷಉ࣌઀ଓ਺Λ؅ཧ͍ͨ͠ʂ
    IUUQE
    IPHFDPN

    GVHBVTFSͷυϝΠϯ
    ϦΫΤετ
    IPHFDPNͷಉ࣌઀ଓ਺͸
    ·Ͱʹ͍ͨ͠ʜ
    GVHBVTFSͷಉ࣌઀ଓ਺͸
    ·Ͱʹ͍ͨ͠ʜ

    View Slide

  43. ੍ݶ಺༰ͷ؅ཧ
    IUUQBDDFTTMJNJUFSͷΞʔΩςΫνϟʹ੍ݶ಺༰Λ؅ཧ͢ΔػೳΛ࣮૷

    IUUQENPE@NSVCZ ,74
    ϦΫΤετ
    ॲཧ
    ΠϯΫϦϝϯτ
    σΫϦϝϯτ
    ಉ࣌઀ଓ਺
    Χ΢ϯλʔ
    ʴ
    1)1 $(*

    View Slide

  44. ੍ݶ಺༰ͷ؅ཧ

    IUUQENPE@NSVCZ ,74
    ϦΫΤετ
    ॲཧ
    ΠϯΫϦϝϯτ
    σΫϦϝϯτ
    ಉ࣌઀ଓ਺
    Χ΢ϯλʔ
    ,FZ7BMVF
    IPHFDPN
    GPPDPN
    ,74
    1)1 $(*
    ੍ݶ಺༰Λอ؅͢ΔͨΊͷ,74Λ४උ
    ੍ݶ಺༰Λࢀর

    View Slide

  45. ੍ݶ಺༰ͷ؅ཧ

    IUUQENPE@NSVCZ ,74
    ϦΫΤετ
    ॲཧ
    ΠϯΫϦϝϯτ
    σΫϦϝϯτ
    ಉ࣌઀ଓ਺
    Χ΢ϯλʔ
    ,FZ7BMVF
    IPHFDPN
    GPPDPN
    ,74
    1)1 $(*
    ੍ݶ಺༰Λࢀর
    ,74
    ,FZ7BMVF
    IPHFVTFS
    GPPVTFS
    ϗετ୯Ґ
    ΞΧ΢ϯτ୯Ґ
    ੍ݶ୯ҐΛ૿΍͍ͨ࣌͠͸,74Λ૿΍ͤ͹ྑ͍

    View Slide

  46. ࣗಈ੍ޚγεςϜͱͷ࿈ܞ

    View Slide

  47. ࣗಈ੍ޚγεςϜͱͷ࿈ܞ

    IUUQENPE@NSVCZ
    ,FZ7BMVF
    IPHFDPN
    GPPDPN
    ,74
    (PMBOH ࣗಈ੍ޚγεςϜ

    IPHFDPN
    NBY@DMJFOUT
    GPPDPN
    NBY@DMJFOUT
    ᶃ੍ݶ৘ใͷ:".-ϑΝΠϧΛੜ੒
    ᶄ:".-ΛಡΈࠐΈ
    ᶅ,74΁ॻ͖ࠐΈ
    ෛՙͷݕ஌ ϩάͷղੳ ݪҼͷಛఆ
    HSBDFGVMSFTUBSUͷΑ͏ʹॏ͍ॲཧ͸ෆཁ

    View Slide

  48. ௚઀,74ʹॻ͖ࠐΊ͹ྑ͍ͷͰ͸ʁ

    z:".-Λϩʔυ͢Δzͱ͍͏൚༻తͳΠϯλʔϑΣΠεʹ
    ͢Δ͜ͱͰɺผͷ੍ޚγεςϜ͕࡞ΒΕͯ΋؆୯ʹ࿈ܞͰ͖Δɻ
    ,74ͷഉଞ੍ޚ͸NPE@NSVCZ಺Ͱ࣮૷͍ͯ͠Δ
    ⇛֎෦͔Βॻ͖ࠐΈΛ͠Α͏ͱ͢ΔͱλΠϛϯάʹΑͬͯ͸
    ɹΤϥʔʹͳΔ

    View Slide

  49. ୯ൃͰେྔͷ$16ϦιʔεΛফඅ͢Δ
    ϓϩάϥϜ΁ͷରࡦ

    View Slide

  50. DHSPVQ

    View Slide

  51. DHSPVQͱ͸
    ϓϩηεΛάϧʔϓԽͯ͠$16΍ϝϞϦɺσΟεΫ*0ͷ
    ੍ޚΛߦ͏ɺ-JOVYΧʔωϧͷػೳ

    ৄ͘͠࿩͢ͱ͕࣌ؒ଍Γͳ͍ͷͰׂѪ͠·͢ʜ

    View Slide


  52. ಛఆͷϦΫΤετͷΈΛର৅ͱͯ͠
    DHSPVQʹΑΔ$16ͷ੍ݶΛ͍ͨ͠ʂ

    View Slide

  53. ಛఆͷϦΫΤετͷΈDHSPVQͰ੍ޚ͢Δ

    IUUQEXPSLFS IUUQEXPSLFS IUUQEXPSLFS
    ίϯςϯπॲཧ ίϯςϯπॲཧ
    ϦΫΤετ ϦΫΤετ
    $16ͷ੍ݶΛ͍ͨ͠
    ϦΫΤετ
    ࣗ਎ʹDHSPVQͷ੍ݶΛ࣮ࢪ
    NSVCZ
    ίϯςϯπॲཧ
    ࣗ਎ΛݩͷDHSPVQʹ໭͢
    NSVCZ
    $16੍ݶ

    View Slide

  54. ಛఆͷϦΫΤετͷΈΛର৅ͱͨ͠
    DHSPVQʹΑΔ$16ͷ੍ݶΛ࣮ݱͨ͠ʂ

    View Slide

  55. ՝୊ʹ͍͓ͭͯ͞Β͍

    View Slide

  56. ՝୊

    ੍ޚ୯Ґ
    7JSUVBM)PTUຖͷ੍ޚͷΈߦ͏
    ⇛ෛՙύλʔϯʹΑͬͯ͸ɺΞΧ΢ϯτ୯Ґ΍ϑΝΠϧ୯Ґ
    ɹͳͲ੍ޚ୯ҐΛม͍͑ͨɻ
    ൓өʹ͸HSBDFGVMSFTUBSU͕ඞཁ
    ⇛HSBDFGVMSFTUBSUͷॲཧ͸ॏ͘Ϩεϙϯε஗ԆͷݪҼʹ
    ɹͳΔͨΊۃྗ࣮ߦͨ͘͠ͳ͍ɻ
    ൓өॲཧ
    ಉ࣌઀ଓ਺੍ݶͷΈߦ͏
    ⇛୯ൃͰେྔͷϦιʔεΛফඅ͢ΔϓϩάϥϜʹରԠͰ͖ͳ͍ɻ
    ɹϦιʔεͷ੍ݶ΋࣮ࢪ͍ͨ͠ɻ
    ੍ݶखஈ

    View Slide

  57. ՝୊

    ੍ޚ୯Ґ
    7JSUVBM)PTUຖͷ੍ޚͷΈߦ͏
    ⇛ෛՙύλʔϯʹΑͬͯ͸ɺΞΧ΢ϯτ୯Ґ΍ϑΝΠϧ୯Ґ
    ɹͳͲ੍ޚ୯ҐΛม͍͑ͨɻ
    NPE@NSVCZ͔Βऔಘͨ͠ϦΫΤετύϥϝʔλΛ
    ݩʹ͋ΒΏΔ୯ҐͰ੍ޚΛߦ͏͜ͱ͕Ͱ͖ΔΑ͏ʹͳͬͨɻ

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  58. ՝୊

    ੍ޚ୯Ґ
    7JSUVBM)PTUຖͷ੍ޚͷΈߦ͏
    ⇛ෛՙύλʔϯʹΑͬͯ͸ɺΞΧ΢ϯτ୯Ґ΍ϑΝΠϧ୯Ґ
    ɹͳͲ੍ޚ୯ҐΛม͍͑ͨɻ
    NSVCZΛ࢖ͬͯ,74ʹσʔλΛ࣋ͭ͜ͱͰ࠶ಡࠐΈॲཧ͕
    ඞཁͳ͘ͳͬͨɻ
    ൓өʹ͸HSBDFGVMSFTUBSU͕ඞཁ
    ⇛HSBDFGVMSFTUBSUͷॲཧ͸ॏ͘Ϩεϙϯε஗ԆͷݪҼʹ
    ɹͳΔͨΊۃྗ࣮ߦͨ͘͠ͳ͍ɻ
    ൓өॲཧ

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  59. ՝୊

    ੍ޚ୯Ґ
    7JSUVBM)PTUຖͷ੍ޚͷΈߦ͏
    ⇛ෛՙύλʔϯʹΑͬͯ͸ɺΞΧ΢ϯτ୯Ґ΍ϑΝΠϧ୯Ґ
    ɹͳͲ੍ޚ୯ҐΛม͍͑ͨɻ
    DHSPVQʹΑΔ$16ͷίϯτϩʔϧΛߦ͏͜ͱͰղܾͨ͠ɻ
    ಉ࣌઀ଓ਺੍ݶͷΈߦ͏
    ⇛୯ൃͰେྔͷϦιʔεΛফඅ͢ΔϓϩάϥϜʹରԠͰ͖ͳ͍ɻ
    ɹϦιʔεͷ੍ݶ΋࣮ࢪ͍ͨ͠ɻ
    ੍ݶखஈ

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  60. ·ͱΊ

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  61. ·ͱΊ
    ϗεςΟϯάαʔόͷ҆ఆӡ༻͸؆୯Ͱ͸ͳ͍ʂ
    ՝୊Λղܾ͢ΔͨΊʹNPE@NSVCZΛ༻͍ͨ
    $16Ϧιʔεͷ੍ޚख๏ͱͯ͠ɺϦΫΤετຖͷ
    DHSPVQʹΑΔ$16Ϧιʔε੍ޚΛ࣮ݱͨ͠ʂ
    ֦ுੑɾอकੑɾੜ࢈ੑͷߴ͍ΞΫηείϯτϩʔϧ
    ج൫Λ։ൃͨ͠ʂ

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  62. ܅΋ϖύϘͰಇ͔ͳ͍͔ʁ
    ࠷৽ͷ࠾༻৘ใΛνΣοΫˠ !QC@SFDSVJU

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  63. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ

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