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iCloud Private Relayに立ち向かう / Confronting iCloud Private Relay

iCloud Private Relayに立ち向かう / Confronting iCloud Private Relay

2021年7月15日(木)に開催されたNuCon mini 2021 Summerの発表資料です。

▼発表動画アーカイブ
https://www.youtube.com/watch?v=kboFQ1VIMFE&t=596s

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Transcript

  1. ࣗݾ঺հ • ٢ా ଠҰ࿠ / Taichiro Yoshida / @dataich •

    TypetalkνʔϜΤϯδχΞ • iOSΞϓϦ - Swift • όοΫΤϯυ - Scala • ່2ਓ • ήʔϜʢ΢ΠΠϨɺΦʔϓϯϫʔϧυARPGʣ • ࠷ۙ͸Ωϟϯϓ Nulab Inc., at NuCon mini 2021 Summer 2
  2. • IPΞυϨεͱΞΫηεઌ΢ΣϒαΠτʹ͍ͭͯΈΜͳ஌͍ͬͯΔ • ΫϥΠΞϯτ • ϓϩόΠμ • αʔόʔ • ໌ࣔతͳڐՄΛಘͣʹҐஔ৘ใʢIPΞυϨεʣΛ஌Δ͜ͱ͕Ͱ͖Δ

    • CookieʹΑΔϑΟϯΨʔϓϦϯτ͸֤ϒϥ΢β͕ରࡦ͖ͯͨ͠ʢSafariͰ͸ Intelligent Tracking Preventionʣ • ͦΕͰ΋IPΞυϨεʹΑΔϑΟϯΨʔϓϦϯτ͸๷͍͛ͯͳ͍ • VPNΛར༻ͨ͠ͱͯ͠΋ɺͦͷࣄۀऀʹ͸৘ใʢIPΞυϨεɺΞΫηεઌ΢Σϒα Πτʣ͕࢒Δ Nulab Inc., at NuCon mini 2021 Summer 6
  3. • ΫϥΠΞϯτ͸AppleͷIngress ProxyʹϦΫΤετ͢Δ • IPΞυϨε͸ϓϩόΠμͱ1ͭΊͷϓϩΩγʢIngressʣ͕஌Δ͜ͱʹͳΔɻυϝ Πϯ͸҉߸Խ͞Εͨঢ়ଶͰอ࣋͢ΔͷͰΘ͔Βͳ͍ɻ • 2ͭΊͷϓϩΩγʢEgressʣ͸IngressͷIPΞυϨεͱ҉߸Խ͞ΕͨυϝΠϯΛ ΋Β͏ɻΫϥΠΞϯτͷIPΞυϨε͸෼͔Βͳ͍ɻυϝΠϯΛ෮߸͠iCloud Private

    Relay͕஍Ҭ͝ͱʹϓʔϧ͍ͯ͠ΔIPΛ࢖͍ɺWebͷϦΫΤετΛॲཧɻ • ΢ΣϒαΠτ͸Egress͕બΜͩIP͔͠෼͔Βͳ͍ɻ • ͜ͷϑϩʔͷதʹIPΞυϨεͱΞΫηεઌ΢ΣϒαΠτͷ྆ํΛಉ࣌ʹ஌ͬͯ ͍Δࣄۀऀ͸͍ͳ͍ঢ়ଶʢAppleͰ͑͞஌Βͳ͍ʣ • IPΞυϨεʹΑΔϑΟϯΨʔϓϦϯτ͕ഉআ͞ΕΔɻ Nulab Inc., at NuCon mini 2021 Summer 8
  4. ΍ͬͨ΄͏͕Α͍͜ͱ • URLSessionͱ͔NWConnection࢖ͬͯͨ΄͏͕iCloud Private Relay ͷHTTPτϥϑΟοΫͷσόοάͱ͔͠΍͍͔͢Β৐Γ׵͑ਪ঑ • Ґஔ৘ใ͸Core Location APIͳͲΛ࢖ͬͯ໌ࣔతʹऔಘ͢Δ

    • ηΩϡΞͰͳ͍௨৴͸iCloud Private Relay͕ࣗಈతʹηΩϡΞʹ͠ ͯ͘ΕΔ • ͚ͲΤϯυπʔΤϯυͰηΩϡΞͳͷ͕ϕετ͔ͩΒHTTP΍Ί ͯ΄͍͠ Nulab Inc., at NuCon mini 2021 Summer 15
  5. ΍Δ΂͖͜ͱ • ඞཁʹԠͯ͡iCloud Private Relay΁ͷΞΫηεͷϒϩοΫΛݕ౼͢Δ • اۀ΍ֶߍͷαʔόʔͳͲͰωοτϫʔΫͷ؂ࢹͳͲ͕ඞཁͳ৔߹ • ΞΫηεઌͷ΢ΣϒαΠτͷ؂ࢹ͕Ͱ͖ͳ͍ •

    ར༻͍ͯ͠ΔWebαʔϏεͰIPΞυϨεͰͷΞΫηε੍ݶΛ༗ޮʹ͍ͯ͠Δ • iCloud Private RelayͷIP͔Β͸ΞΫηεͰ͖ͳ͘ͳͬͯ͠·͏ɻ • ωοτϫʔΫ؅ཧऀͳͲ • ఏڙ͍ͯ͠ΔWebαʔϏεͰIPΞυϨεͰͷΞΫηε੍ݶΛఏڙ͍ͯ͠Δ • ར༻ऀʹࣄલʹ஌Β͓ͤͯ͘ɻ • SaaSαʔϏεఏڙऀͳͲ Nulab Inc., at NuCon mini 2021 Summer 17
  6. ϒϩοΫ͢Δํ๏ • ҎԼͷϗετ໊ͷ໰͍߹Θͤ͸ωοτϫʔΫ಺ͷDNSϦκϧό ͰෆࡏԠ౴Λฦ͢ɻλΠϜΞ΢τͤͨ͞Γɺύέοτͷυϩο ϓͩͱԠ౴͕஗͘ͳΔͷͰ΍Ίͨ΄͏͕ྑ͍ɻ • mask.icloud.com • mask-h2.icloud.com •

    ͜ΕΛߦ͏ͱiOS͕ࣗಈతʹϢʔβʔʹϓϩϯϓτग़ͯ͠ɺ Ϣʔβʔ͕iCloud Private RelayΛར༻Λճආ͢Δ͔બ୒Ͱ͖Δ Nulab Inc., at NuCon mini 2021 Summer 18
  7. ΍ͬͨ΄͏͕Α͍͜ͱ • ஍Ҭಛఆʹҧ͍͕ͰΔ͔΋͠Εͳ͍ͷͰݕ౼͢Δ • ஍Ҭ͝ͱʹϓʔϧ͍ͯ͠ΔIP͸ݶΒΕ͍ͯΔ͔ΒɺΤϦΞ͸޿͕Δ͸ ͣ • Hide My EmailΛར༻͍ͯ͠ΔΞΧ΢ϯτͷ৔߹͸ɺEϝʔϧͷ։෧ঢ়گ

    ΍։෧͕࣌ؒ౰ͯʹͳΒͳ͍͜ͱΛ஌͓ͬͯ͘ɻ • ྆ํͱ΋ݱ࣌఺Ͱ͸ར༻ऀ਺తʹޡࠩͷൣғͩͱࢥ͏͕ɺࠓޙͷΠϯ λʔωοτ͸͜ͷลΓͷτϥοΩϯάख๏͕࢖͑ͳ͍ํ޲ʹਐΜͰ͍Δ ͱࢥΘΕΔɻ Nulab Inc., at NuCon mini 2021 Summer 20
  8. ࢀߟ • Prepare Your Network for iCloud Private Relay •

    Get ready for iCloud Private Relay • Apple’s privacy pillars in focus ਖ਼ࣜϦϦʔε࣌ʹ͸มߋɾఫճ͞Ε͍ͯΔՄೳੑ΋͋ΔͷͰ͝ ྃঝ͍ͩ͘͞ɻ Nulab Inc., at NuCon mini 2021 Summer 21