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既存のWebアプリをセキュアにするためにやったこと / Student-LT-WebSec

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Avatar for Tomoyuki KOYAMA Tomoyuki KOYAMA
May 05, 2018
Technology
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既存のWebアプリをセキュアにするためにやったこと / Student-LT-WebSec

学生LT#11, @DMM

Avatar for Tomoyuki KOYAMA

Tomoyuki KOYAMA

May 05, 2018

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Transcript

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    5BHT/FUXPSL8FC4FSWFS4FDVSJUZ

  3. ҳൠͷޡՈఉ ϠϑΦΫͰதݹͷωοτϫʔΫػثΛߪೖ

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  5. 8FCηΩϡϦςΟ
 ͷجૅ

  6. 944 w ΫϩεɾαΠτɾεΫϦϓςΟϯά w )5.-಺ʹεΫϦϓτ͕ૠೖ͞ΕΔ͜ͱͰɺ೚ ҙͷॲཧ͕࣮ߦ͞ΕΔ w $8&*NQSPQFS/FVUSBMJ[BUJPOPG*OQVU %VSJOH8FC1BHF(FOFSBUJPO $SPTTTJUF

    4DSJQUJOH   

  7. 944 EPDUZQFIUNM NFUBDIBSTFUVUG UJUMF9444BNQMFUJUMF I QIQFDIP@(&5<NPEF> I EPDUZQFIUNM NFUBDIBSTFUVUG UJUMF9444BNQMFUJUMF

    IIFMMPI ม਺@(&5<bNPEF`>ʹIFMMP͕ઃఆ͞Ε͍ͯΔͱʜ 4BGF

  8. 944 EPDUZQFIUNM NFUBDIBSTFUVUG UJUMF9444BNQMFUJUMF I QIQFDIP@(&5<NPEF> I EPDUZQFIUNM NFUBDIBSTFUVUG UJUMF9444BNQMFUJUMF

    ITDSJQUBMFSU TDSJQUI ม਺@(&5<bNPEF`>ʹTDSJQUBMFSU TDSJQU͕
 ઃఆ͞Ε͍ͯΔͱʜ VO4BGF

  9. 'SBNF8PSLʹཔΔͱʜ w 'SBNF8PSL͕ࣗಈͰΤεέʔϓͯ͘͠ΕΔ w ηΩϡϦςΟΛҙࣝͤͣʹ։ൃՄ w 3VCZPO3BJMT 'MBTL $BLF1)1 FUDʜ

  10. طଘͷ8FCΞϓϦΛ
 ηΩϡΞʹ͢ΔͨΊʹ
 ΍ͬͨ͜ͱ

  11. ܦҢ w ͱ͋Δ8FCΞϓϦ ൿ఻ͷιʔε Λಈ͔͢ґཔΛ ड͚Δ w ѻ͏σʔλ͸ݸਓ৘ใ w ηΩϡϦςΟΛݟ௚ͯ͠Έͨ

  12. ΍ͬͨ͜ͱ

  13. 44-Խ w )551ˠ)5514 w 44-ূ໌ॻΛ-FU`T&ODSZQUͰऔಘ w ैདྷ͸ݸਓ৘ใΛฏจͰ΍ΓऔΓ

  14. ͓͠·͍

  15. ΍ͬͨ͜ͱ w ॳڃ w 44-Խ w தڃ w ্ڃ

  16. ΍ͬͨ͜ͱதڃ w $PPLJF΁IUUQPOMZଐੑ TFDVSFଐੑΛ෇༩ w Ϩεϙϯεϔομ΁ҎԼΛ෇༩ w 99441SPUFDUJPONPEFCMPDL w 9'SBNF0QUJPOT4".&03*(*/

    w 9$POUFOU5ZQF0QUJPOTOPTOJ⒎

  17. $PPLJF΁IUUQPOMZଐੑ  TFDVSFଐੑΛ෇༩

  18. 99441SPUFDUJPO NPEFCMPDL w 8FCϒϥ΢βͷ944ϑΟϧλʔΛڧ੍0/ w 944Λݕ஌͢ΔͱϒϩοΫ͢Δ IUUQFYBNQMFDPNTFBSDI TDSJQUBMFSU TDSJQU

  19. 9'SBNF0QUJPOT
 9$POUFOU5ZQF0QUJPOT w 9'SBNF0QUJPOT4".&03*(*/ w ΫϦοΫɾδϟοΩϯάରࡦ
 JGSBNFͰͷผαΠτ͔ΒຒΊࠐΈΛېࢭ  w 9$POUFOU5ZQF0QUJPOTOPTOJ⒎

    w FͷΞΠίϯͳϒϥ΢βͰͷ944Λ๷ࢭ

  20. ΍ͬͨ͜ͱ্ڃ w ηογϣϯɾλΠϜΞ΢τ w Ϩεϙϯεϔομ΁ҎԼΛ෇༩ w $BDIF$POUSPMQSJWBUF OPTUPSF w 4USJDU5SBOTQPSU4FDVSJUZNBY

    BHFJODMVEF4VCEPNBJOT

  21. ηογϣϯɾλΠϜΞ΢τ $PPLJFͷ&YQJSFଐੑͰ༗ޮظݶΛઃఆ

  22. $BDIF$POUSPM
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  23. 4USJDU5SBOTQPSU4FDVSJUZNBY BHFJODMVEF4VCEPNBJOT w )454 )5514USJDU5SBOTQPSU4FDVSJUZ  w IUUQˠIUUQT΁ஔ͖׵͑ͯϦΫΤετΛૹ৴ w <T><EBZ>

  24. ·ͱΊ w 8FCΞϓϦΛެ։͢Δͱ͖͸44-Խ͠Α͏ w $PPLJF΍Ϩεϙϯεɾϔομʹ஫ҙ͠Α͏ w ແঈεΩϟφͷ08"41;"1͸Φεεϝ

  25. ݁Ռ

  26. ΍Γ͕͍(&5 ใु;&30

  27. ࡉ͔͍͜ͱ͸࠙਌ձͰ ั·͑ͯฉ͍ͯω 5IBOLT