SAtisfaction 2019 Movable Type and Security

by Daiji Hirata

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.PWBCMF5ZQFͷηΩϡϦςΟ΁ͷऔΓ૊Έ   ʮ.5͕ηΩϡϦςΟʹڧ͍ʯͬͯͲ͏͍͏͜ͱʁ γοΫεɾΞύʔτฏా 4"UJTGBDUJPO

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ͻΒ͍ͨͩ͡ 4JY"QBSU %JSFDUPS $50 !IJSBUB

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੬ऑੑ ϓϥΠόγʔ 42-ΠϯδΣΫγϣϯ ΫϩεαΠτεΫϦςΟϓςΟϯά 9&& ϑΝΠϠ΢Υʔϧ 8"' *1ΞυϨε੍ݶ #"4*$ೝূ 5-4 ৗ࣌44- αΠτվ᜵ ৘ใ࿙Ӯ ΞΧ΢ϯτ࿙Ӯ #$1 όοΫΞοϓ αΠτ৐ͬऔΓ ඪతܕϝʔϧ߈ܸ %%P4

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ࠓ೔ͷ࿩୊ ΢ΣϒαΠτͷηΩϡϦςΟରࡦʹ͍ͭͯ .5ͷηΩϡϦςΟ΁ͷऔΓ૊Έ

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΢ΣϒαΠτͷηΩϡϦςΟ w ΢ΣϒαΠτ͸ͨ͘͞Μͷ෦඼Ͱग़དྷ͍ͯΔ w ΢ΣϒαΠτ͸޿͘ެ։͢Δ΋ͷ

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.PWBCMF5ZQFΛҰ୆ͷαʔόͰ͏͔͢͝ͱ͖ͷߏ੒ྫ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ

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҆શੑΛߴΊΔʹ͸ w ऑ͍෦෼Λ࡞Βͳ͍ w कΔର৅ΛߜΔ w ର৅͝ͱʹकΓ͔ͨΛ෼͚Δ

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.PWBCMF5ZQFΛҰ୆ͷαʔόͰ͏͔͢͝ͱ͖ͷߏ੒ྫ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ

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.PWBCMF5ZQFͷྑ͍ͱ͜Ζ ʮެ։͢Δίϯςϯπʯͱʮ$.4ʯΛ෼཭͠΍͍͢

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.PWBCMF5ZQFΛҰ୆ͷαʔόͰ͏͔͢͝ͱ͖ͷߏ੒ྫ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ ࠶ߏங

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෼཭͢ΔϝϦοτ w ʮίϯςϯπʯ͸ެ։ w ʮ$.4ʯ͸ར༻ऀ͕ݶఆͰ͖Δ w ରࡦΛ෼͚ͯߟ͑Δ͜ͱͰɺίετϝϦοτ खؒɺඅ ༻ ͕ੜ·ΕΔ

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.PWBCMF5ZQFΛҰ୆ͷαʔόͰ͏͔͢͝ͱ͖ͷߏ੒ྫ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ ͩΕͰ΋ΞΫηεͰ͖Δެ։ίϯςϯπ αΠτΛ੍࡞ɺӡ༻ɺ؅ཧ͢ΔϢʔβͷΈ

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΢ΣϒΞϓϦέʔγϣϯͱͯ͠Έͨͱ͖ͷ$.4 wෳࡶͳߏ଄ɺෳࡶͳΞϓϦέʔγϣϯ wෳ਺ͷϢʔβɺϢʔβݖݶ͕ଘࡏ wίϯςϯπɺ΢ΣϒαΠτશମͷ؅ཧػೳΛؚ༗ wϦεΫͷߴ͍σʔλΛѻ͏͜ͱ΋͋Γ  ໰୊͕͋ͬͨͱ͖ͷӨڹ͕େ͖͘ͳΓ͕ͪ

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.PWBCMF5ZQFͷྑ͍ͱ͜Ζ w ͦ΋ͦ΋෼཭͠΍͍͢ʮͭ͘Γʯʹͳ͍ͬͯΔ w ੩తੜ੒ʹ͓͚ͯ͠͹$.4ಈ͍͍ͯͳͯ͘΋΢Σϒα Πτʹ͸Өڹͳ͍ w খ࢝͘͞ΊΒΕΔ

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.PWBCMF5ZQFΛҰ୆ͷαʔόͰ͏͔͢͝ͱ͖ͷߏ੒ྫ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ

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.PWBCMF5ZQFͷྑ͍ͱ͜Ζ w ެ։͢Δ΢ΣϒαΠτଆʹࠟ੻Λ࢒͞ͳ͍Α͏ʹ͢Δ͜ͱ͕༰қ w ෺ཧతͳ෼཭ʹ΋ରԠ͠΍͍͢  τϥϑΟοΫରࡦͱͷ૬ੑ΋Α͍ w εΫϦϓτͷӅณʹ΋ରԠ "ENJO4DSJQUଞ w %BUB"1* w .5ͷݖݶػߏʹࡌͬͯίϯςϯπͷར༻ɺૢ࡞͕Մೳ

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༗ঈ$.4ιϑτ΢ΣΞͷࢢ৔γΣΞ ຊ਺ϕʔε ౦ূҰ෦্৔اۀͷϥΠηϯεొ࿥ׂ߹ ෋࢜Ωϝϥ૯ݚʰιϑτ΢ΣΞϏδωε৽ࢢ৔೥൛ʱ೥౓σʔλΑΓ γοΫεɾΞύʔτௐ΂

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ҰͭͷαʔόͰ͸ͳ͘αʔόΛ෼཭͢Δ IUUQE "QBDIF /HJOY ίϯςϯπ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ

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ҰͭͷαʔόͰ͸ͳ͘αʔόΛ෼཭͢Δ IUUQE "QBDIF /HJOY ίϯςϯπ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ ࠶ߏங ഑৴

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.PWBCMF5ZQFͷྑ͍ͱ͜Ζ w ެ։͢Δ΢ΣϒαΠτଆʹࠟ੻Λ࢒͞ͳ͍Α͏ʹ͢Δ͜ͱ͕༰қ w ෺ཧతͳ෼཭ʹ΋ରԠ͠΍͍͢ w εΫϦϓτͷӅณʹ΋ରԠ "ENJO4DSJQUଞ w %BUB"1* w .5ͷݖݶػߏʹࡌͬͯίϯςϯπͷར༻ɺૢ࡞͕Մೳ

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εΫϦϓτΛӅณ͢Δ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ IUUQTDMPVENPWBCMFUZQFJPNUDHJ IUUQTDMPVENPWBCMFUZQFJPIJNJUTV OPNUOPBSJLBDHJ "ENJO4DSJQUIJNJUTVOPNUOPBSJLBDHJ

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.PWBCMF5ZQFͱ੬ऑੑ w ීٴͩͨ͠͠೥͘Β͍͔Βຊ֨Խ w ͞·͟·ͳηΩϡϦςΟͷϑΥʔϥϜɺίϛϡχςΟ͔Βͷใࠂ w ยͬ୺͔ΒରԠ͠ɺ੬ऑੑΛ௵͖ͯ͠·ͨ͠ w ίʔυ͸Φʔϓϯʹ w ಺֎ͷઐ໳Ո͕͍ͭͰ΋ݕূՄೳ w ͍·Ͱ΋੬ऑੑͷใࠂʹ͸ਅ᎜ʹରԠ

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IUUQTHJUIVCDPNNPWBCMFUZQFNPWBCMFUZQF

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Φʔϓϯιʔεͱͷҧ͍ ϕϯμʔαϙʔτͷ༗ແ

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Φʔϓϯιʔεͱͷҧ͍ w ੬ऑੑ͕ݟ෇͔ͬͨͱ͖ʹ͸ɺϕϯμʔͷ੹೚ͱͯ͠म ਖ਼൛Λఏڙ͢Δ w ඞཁʹԠͯ͡αϙʔτରԠɺ೔ຊޠ ͱӳޠ ͰରԠՄ ೳ w ੬ऑੑͷ༗ແ΍ڧ౓ͷҧ͍Ͱ͸ͳ͍

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.PWBCMF5ZQFΫϥ΢υ൛ w ҆શଆʹ;ͬͨߏ੒ઃܭ w )"ߏ੒ͷ7.Λར༻ w .5ΛؚΊͨιϑτ΢ΣΞΞοϓσʔτΛࣗಈԽ w ੈ୅σΠϦʔόοΫΞοϓɺ#$1΁ͷରԠ w ϓϥΠϕʔτ൛Ͱ͸ɺΞΧ΢ϯτ΋׬શʹ෼཭

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.5Ϋϥ΢υͷߏ੒ਤ .PWBCMF5ZQF IUUQE "QBDIF /HJOY ίϯςϯπ ϩά ௥ՃϓϥάΠϯ όοΫΞοϓ GUQE 3PVUFS #BTUJPO ($14 'JMUFSJOH #BDLVQ 3FQPTJUPSZ .BJOUFOBODF *1"EESFTT #"4*$"VUI TTIE $

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($1 നՏ ๺۝भ

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($1 നՏ ๺۝भ όοΫΞοϓ͔ΒීٴՄೳ

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.PWBCMF5ZQFOFU w Ϛϧνςφϯτߏ੒ͰɺίετύϑΥʔϚϯεͷ޲্ w όοΫΞοϓ΋ར༻Մೳ w όʔδϣϯΞοϓʹΑΔෆ۩߹͔Βͷ։์ w উखϓϩάϥϜ͕ͦ΋ͦ΋ಈ࡞Ͱ͖ͳ͍࢓༷

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·ͱΊΔͱ w .PWBCMF5ZQFΛ͔ͭ͏ͱηΩϡϦςΟରࡦ͠΍͍͢ w 4JY"QBSU͸·͡ΊʹηΩϡϦςΟରࡦ͍ͯ͠·͢ w ໘౗ͳํʹ͸.5Ϋϥ΢υ͔.PWBCMF5ZQFOFU͕  ͓͢͢ΊͰ͢

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠