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Tidy up my home LAN
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umikaki
May 18, 2019
Programming
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Tidy up my home LAN
umikaki
May 18, 2019
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Transcript
ࣗ-"/ͷཧ 4BU ౦ւಓΒ͙ԣͷू͍ य़ͷר !VNJLBLJ .BJMVNJLBLJ!VNJLBLJOFU .BTUPEPO!VNJLBLJ!NBTUPEPOUSBJOJOGP
ࣗݾհ l .BTUPEPOࣗḉ࣋ͬͯ·͢ˣ IUUQTNBTUPEPOUSBJOJOGP l "OESPJEΞϓϦΤϯδχΞ l 'MPLP 30.ͷDPOUSJCVUPSʢʁʣ l
࠷ۙҾͬӽ͠·ͨ͠ l ϒϩάͬͯ·͢ˣ IUUQTVNJLBLJCMPHIBUFOBCMPHDPN
Ҿͬӽͨ͠ͱ͍͏͜ͱͰʜ
࠷ۙҾͬӽ͠·ͨ͠ • Ո͕͘ͳͬͨ ͨ͘͞Μḉ͕ஔ͚Δʂʂ • ωοτճઢ͕৽͘͠ͳͬͨ • Ո͕ߴ͘ͳͬͨ ʜͳͲͳͲ
None
(CQTճઢΛखʹೖΕͨʂʂ l ੈք࠷Λᨳ͏BVͻ͔Γ ϗʔϜ9ΪΨΛಋೖ͠·ͨ͠ l ࣄඅɿ ԁɺֹ݄ɿ ԁ
(CQTճઢΛखʹೖΕͨʂʂ l ϑϨοπޫ࣌ʹ͑ͯͨ71/͑ͳ͘ͳͬͨ l )(8ͷઃఆ߲͕গͳ͗͢ʜ
·ͣ-"/ߏΛߟ͑·͠ΐ͏
ॳߏஙͨ͠ߏ l ࣗωοτϫʔΫʢ)(8ͷσϑΥϧτʣͰߏ l 71/ʢ4PGU&UIFS71/ͷσϑΥϧτʣ
ॳߏஙͨ͠ߏ ݩʑ࣋ͬͯͨϧʔλʢ893%)1ʣͷ71/Λ͏Ҋ ˠϧʔλͷௐࢠ͕ѱ͍ʢʁʣͨΊഇҊ ˠϙʔτΛ͍ͭ͘։͚ͳ͍ͱ͍͚ͳ͍ͷ͕ΊΜͲ͍͘͞ ḉʹ4PGU&UIFS 71/Λߏங ˠϙʔτ͚ͭͩ։͚Ε͍͍ͷͰ࠾༻ ˠBVͻ͔Γݻఆ*1ͬΆ͍ͷͰ%%/4͍Βͳ͍
ḉͷߏ • ࠓޙͷ͜ͱΛߟ͑ͯ,7.্ͷήετʹ4PGU&UIFS 71/ΛΠϯετʔϧ • 71/༻ͷήετ046CVOUV -54Λ࠾༻ • ,7.ϗετ04$FOU04Λ࠾༻ʢ҆ఆ͍ͯ͠Δ͔Βʁʣ
ߏஙͨ͠ͷͷʜ • 71/ଓͨ͠ͱ͖ͷμϯϩʔυ͕໌Β͔ʹ͍ • 4PGU&UIFS 71/࠶Πϯετʔϧɺ 04࠶Πϯετʔϧͨ͠ͷͷมΘΒͣ ˠݪҼෆ໌
4PGU&UIFS 71/͔Β0QFO71/ • 4PGU&UIFS 71/ΛΊͯ0QFO71/Λߏங • 71/ḉͷ046CVOUV -54͔Β$FOU04 มߋ •
71/ͷηάϝϯτʢ0QFO71/ͷσϑΥϧτʣ 10.8.0.0/24
4PGU&UIFS 71/͔Β0QFO71/ • ҆ఆͯ͠ग़ΔΑ͏ʹͳͬͨ • UDQͱVEQͷ྆ํͰଓͰ͖ΔΑ͏ʹͨ͠ ˠϙʔτ͕։์͞Ε͍ͯͳ͍ωοτϫʔΫͰଓͰ͖ΔΑ͏ʹ͢ΔͨΊ ˠVEQͷํ͕͕͍
ͱΓ͋͑ͣҰ݅མண
͔࣮͠͠Ոʹؼͬͨͱ͖ʹ൵͕ܶʜ
実家に帰ったときの悲劇 ࣮Ո-"/ʹଓࣗ͠71/ଓ͠Α͏ͱ͕ͨ͠ʜ • ࣮Ո-"/ͷηάϝϯτʢʣͱ ࣗ-"/ͷηάϝϯτʢʣ͕ಉҰͳ͜ͱ͕໌ ˠࣗ-"/ʹ71/͔Βͭͳ͕Βͳ͍ঢ়ଶʹ
ࣗ-"/ͷ*1ΞυϨεΛ࠶ߏ • ͱΓ͋͑ͣΊΔ ʢ)(8ͷσϑΥϧτઃఆ্͕هʹͳͬͯΔ͜ͱ͕ଟ͘ɺ ΄͔ͷωοτϫʔΫͰڝ߹͢ΔՄೳੑ͕େʣ • Ϋϥε#ͷΛ࠾༻ ʢՈఉωοτϫʔΫͰ͋ΕɺΫϥε#ͷΞυϨεΛ͍ͬͯΔ͜ͱ ·ͣͳ͍ͩΖ͏ͱ͍͏ଌʣ
݁ہ͜͏ͳΓ·ͨ͠ • )(8ɺϓϦϯλɿY • ϗετḉɿY • ήετḉɿY • ΫϥΠΞϯτ1$ɿY •
%)$1ɿY
݁ہ͜͏ͳΓ·ͨ͠ 172.31.0.0/16 10.8.0.0/24
,7.ήετʹ৭ʑߏங͠·ͨ͠ +FMMZGJO (SBGBOB
ࠓճͷڭ܇ • 71/Ͱଓ͢Δͱ͖ɺ ݱࡏͭͳ͕͍ͬͯΔ-"/ͷ*1ηάϝϯτʹҙ ˠηάϝϯτ͕ಉ͡߹ෆ۩߹ൃੜͷՄೳੑେ ˠɺͳͲආ͚Δ ʢσϑΥϧτͰઃఆ͞Ε͍ͯΔՄೳੑ͕ߴ͍ͨΊʣ • *1ΞυϨεͷׂΓৼΓɺ༻్ผʹ͚͓ͯ͘ͱཧ͕Γ͍͢ ʜ͔͠Εͳ͍
• BVͻ͔ΓϑϨοπޫʹൺͯ)(8ͷઃఆ߲͕গͳ͍ ˠϑϨοπޫͷ)(8୯ಠͰ-51*1TFDͷ71/͕ߏஙՄೳ ˎͨͩ͠WϓϥεͰଓ͍ͯ͠Δ߹Λআ͘
͓ Θ Γ