Dockerとやわらかい仮想化 - ProSec-IT/SECKUN 2021 edition -

1SP4FD*54&$,6/WFSTJPO ۙ౻Ӊஐ࿕(.01FQBCP *OD %PDLFSͱ ΍ΘΒ͔͍Ծ૝Խ

ۙ౻Ӊஐ࿕6DIJP,POEP w(.0ϖύϘٕज़ج൫݉σʔλج൫νʔϜ wؔ৺ൣғ3VCZ 3VTU -JOVY ίϯςφٕज़ ݴޠ࣮૷ 04࣮૷ w3VCZ,BJHJ
wʮNSVCZγεςϜϓϩάϥϛϯάʯ ೥݄೔ץߦ w޷͖ͳY ͷ໋ྩ45*

ߨٛલ൒ͷ༧ఆ w࠲ֶͷ಺༰ w%PDLFSͱίϯςφԾ૝Խʹؔ͢Δ֓ཁ wΦϯϥΠϯԋशʢࣄલ༧श0,ʣ w%PDLFS%PDLFS$PNQPTFΛ࣮ࡍʹ৮ΕΔԋश

ίϯςφ࠲ֶ

ͦ΋ͦ΋ɺίϯςφͱ͸ w-JOVYͷ৔߹ɺϓϩηεʹରִͯ͠཭ɺϦιʔε੍ݶɺݖݶͷ੍ݶͳ ͲΛߦ͍ɺಠཱͨ͠؀ڥΛͳΔ΂҆͘શʹఏڙͨ͠΋ͷʢͱ͢Δʣ wͲͷΑ͏ͳܦҢͰ͜͏͍ͬͨʮԾ૝Խʯ͕ग़ݱͨ͠ͷ͔ʁ

GPSLFYFDWFͷؒʹ

CFGPSFίϯςφͷʮܭࢉػͷڞ༗ʯ wਓྨ͸ίϯϐϡʔλΛޮ཰Α͘ڞ༗͔ͨͬͨ͠ w654ɺϚϧνςφϯγʔ w6/*9ϢʔβʔʹΑΔܭࢉػͷڞ༗ w"QBDIF)5514FSWFSͳͲʹΑΔ7JSUVBM)PTUػೳ wDISPPUΛ͸͡Ίͱͨ͠Մࢹൣғͷ੍ݶ wԾ૝Ϛγϯͷ࡞੒ʢLWNɺ2&.6ʣ

"QBDIFͷϚϧνςφϯγʔ wদຊʮ8FCαʔόͷߴूੵϚϧνςφϯτΞʔΩςΫνϟʹؔ͢ΔݚڀʯΑΓ w7JSUVBM)PTU wDISPPU wεϨου୯Ґͷݖݶ؅ཧ wTV&9&$

؆୯ͳԾ૝Խͷܥਤ w ʮ5IF*EFBM7FSTVTUIF3FBM3FWJTJUJOHUIF)JTUPSZPG7JSUVBM.BDIJOFTBOE$POUBJOFSTʯΑΓ

ίϯςφͷొ৔ w,7.ͳͲͷΑ͏ʹɺϋʔυ΢ΣΞΛؚΜͩԾ૝Խ͸҆શͰࣗ༝౓͕ ߴ͘ɺීٴͨ͠ɻ wҰํɺΦʔόʔϔουͷ௿ݮ΍ूੵ཰ͷ޲্ɺىಈ࣌ؒͳͲͷߴ଎ Խɺ؀ڥͷϙʔλϏϦςΟ޲্ͳͲͷधཁ͕ग़ͯ͘Δ wগͣͭ͠ਐԽΛଓ͚͍ͯͨίϯςφʹ஫໨͕ू·Δ

͍ΘΏΔԾ૝Խʢྫʣ ϋʔυ΢ΣΞ ϗετ04ϋΠύʔόΠβ IBSEXBSF FNVMBUJPO ήετ04 ϥΠϒϥϦ ϓϩάϥϜ IBSEXBSF FNVMBUJPO
ήετ04 ϥΠϒϥϦ ϓϩάϥϜ IBSEXBSF FNVMBUJPO ήετ04 ϥΠϒϥϦ ϓϩάϥϜ 04ͷػೳΛ ͦΕͧΕ४උ

ίϯςφܕʮԾ૝Խʯ ϋʔυ΢ΣΞ ϗετ04ʢ-JOVYʣ ίϯςφ Τϯδϯ ϥΠϒϥϦ ϓϩάϥϜ ίϯςφ Τϯδϯ ϥΠϒϥϦ
ϓϩάϥϜ ίϯςφ Τϯδϯ ϥΠϒϥϦ ϓϩάϥϜ 04ͷػೳ͸ ڞ௨Ͱ࢖͏

ίϯςφʹΑΔʮԾ૝Խʯٕज़ཁૉ w SFGIUUQTJCMBDLIBUDPN64"5IVSTEBZVT"WSBIBNJ&TDBQJOH7JSUVBMJ[FE$POUBJOFSTQEG

ϓϩηε͔ΒΞΫηεͰ͖Δൣғͷ෼཭ wϑΝΠϧγεςϜͷִ཭DISPPUQJWPU@SPPU w04Ϧιʔεͷִ཭-JOVY/BNFTQBDF w1*%ͷִ཭ɺϚ΢ϯτϙΠϯτͷִ཭ɺ6TFS*%NBQQJOH΄͔

ϓϩηεͷݖݶͷ੍ݶ wಛݖΛ෼ׂ͠ɺҰ෦ͷΈͷണୣ΍෇༩-JOVY$BQBCJMJUZ wγεςϜίʔϧ୯ҐͰͷݺͼग़੍͠ݶɺτϨʔεTFDDPNQ w-JOVY4FDVSJUZ.PEVMF -4. "QQ"SNPS4&-JOVY

ϓϩηεͷϋʔυ΢ΣΞϦιʔεͷ੍ݶ wݹయతSFTPVSDFMJNJUVMJNJU SMJNJUQSMJNJU wDHSPVQ $POUSPM(SPVQT w$16ɺϝϞϦɺϒϩοΫ*0ɺ1*%਺΄͔ w୯ʹϓϩηεͷάϧʔϓ୯ҐͰͷૢ࡞΋ߦ͑Δ

%PDLFSͷొ৔ w1BB4Ͱ͋ͬͨ%PU$MPVEࣾͷࣾ಺ίϯςφج൫Λ044Խͨ͠΋ͷ͕ %PDLFSͷ࢝·Γɻ͔ͦ͜ΒҰؾʹ޿·ͬͨ w%PDLFS͸ʮΠϝʔδʯͷ֓೦ΛίϞσΟςΟԽͨ͠ wίϯςφͷՁ஋ʹɺʮϙʔλϒϧͳ؀ڥͷ࠶ݱʯ͕ՃΘΔ wίϯςφͷӡ༻ͷཹҙ఺ʹ͓͍ͯʮΠϝʔδͷ؅ཧʯ͕େ͖͘઎ΊΒ ΕΔΑ͏ʹͳΔ

%PDLFSʹ͓͚ΔΠϝʔδ wࠩ෼ϑΝΠϧγεςϜʢ6OJPO'JMFTZTUFNʣΛ༻͍ͯมߋՕॴ͚ͩΛ ௥هͯ͠؅ཧՄೳʹͨ͠ wΫϥ΢υ্ʹΠϝʔδΛϓογϡ͠ɺ୭Ͱ΋ϓϧͰ͖ΔΑ͏ IUUQTEPDTEPDLFSDPNTUPSBHFTUPSBHFESJWFSɹ

%PDLFS,VCFSOFUFT0$* wϥϯλΠϜͷ։ൃɺཚཱ w0QFO$POUBJOFS*OJUJBUJWFͷ੒ཱɺ0$*TQFDͷެ։ wίϯςφ͕ຬͨ͢΂͖࢓༷ͷ੔ཧʢΠϝʔδɺηΩϡϦςΟଞʣ w,VCFSOFUFTͷొ৔ w(PPHMFࣾ಺ͷج൫ʮ#PSHʯΛϕʔεʹެ։͞Εͨ΋ͷ wߴϨϕϧϥϯλΠϜɺ௿ϨϕϧϥϯλΠϜͷϨΠϠ෼͚͕ਐΉ

0$*TQFD wIUUQTHJUIVCDPNPQFODPOUBJOFSTSVOUJNFTQFD

ࡢࠓͷίϯςφϥϯλΠϜ wߴϨϕϧϥϯλΠϜ௿ϨϕϧϥϯλΠϜΛ۠ผͯ͠ཧղ͢Δ IUUQTXXXTMJEFTIBSFOFU,PIFJ5PLVOBHBTTɹ

ࡢࠓͷίϯςφϥϯλΠϜ w௿ϨϕϧϥϯλΠϜʹ͓͚Δ࣮૷ઓུ͝ͱͷ෼ྨ wϓϩηεϕʔεͷϦιʔεɾݖݶ෼཭Λ༻͍Δ΋ͷ SVOD DSVO ZPVLJ w7..ΛϕʔεʹͰ͖Δ͚ͩܰྔʹͨ͠΋ͷ'JSFDSBDLFS ,BUB wϢʔβϥϯυͰαϯυϘοΫεΛߏ੒ͨ͠΋ͷH7JTPS wϢχΧʔωϧΛίϯςφʹద༻ͨ͠΋ͷ/BCMB$POUBJOFS

ࢀߟจݙʢ࿦จʣ wদຊ྄հ ʮ8FCαʔόͷߴूੵϚϧνςφϯτΞʔΩςΫνϟʹؔ ͢Δݚڀʯ ೥౓ژ౎େֶେֶӃ৘ใֶݚڀՊത࢜࿦จֶҐ৹ ࠪެௌձ .BZ w"MMJTPO3BOEBM ʮ5IF*EFBM7FSTVTUIF3FBM3FWJTJUJOHUIF
)JTUPSZPG7JSUVBM.BDIJOFTBOE$POUBJOFSTʯ "$.$PNQVUJOH 4VSWFZT 7PMVNF *TTVF "SUJDMF "QS IUUQTSFQPTJUPSZLVMJCLZPUPVBDKQETQBDFIBOEMF IUUQTBSYJWPSHBCT

ࢀߟจݙʢॻ੶ʣ wίϯςφܕԾ૝Խ֓࿦ʢ઒ޱ௚໵ ΧοτγεςϜʣ wIUUQXXXDVUUDPKQCPPLIUNM

ࢀߟࢿྉʢͦͷଞʣ wۙ౻Ӊஐ࿕ ৿ాߒฏʮίϯςφͷηΩϡϦςΟΛத਎͔Βཧղ͠Α ͏ʯIUUQTTQFBLFSEFDLDPNVE[VSBJOTJEFPVUDPOUBJOFS BOEJUTTFDVSJUZ wদຊ྄հʮϢϏΩλεσʔληϯλʔ04ͷจ຺ʹ͓͚Δίϯςφ࣮ ߦ؀ڥͷ෼ྨʯIUUQTICNBUTVNPUPSKQFOUSZ

ࢀߟࢿྉʢͦͷଞʣ wಙӬߤฏʮࠓ࿩୊ͷ͍Ζ͍ΖͳίϯςφϥϯλΠϜΛൺֱͯ͠Έͨʯ IUUQTXXXTMJEFTIBSFOFU,PIFJ5PLVOBHBTT wٶԼ߶ีʮ$PNQBSF0$*3VOUJNFTʯIUUQTTQFBLFSEFDLDPN NJ[[ZDPNQBSFPDJSVOUJNFT wՃ౻ହจʮ-9$ͰֶͿίϯςφೖ໳ܰྔԾ૝Խ؀ڥΛ࣮ݱ͢Δٕ ज़ʯIUUQTHJIZPKQBENJOTFSJBMMJOVY@DPOUBJOFST

ࢀߟࢿྉʢͦͷଞʣ wVUBNLʮৄઆ0$*ίϯςφϥϯλΠϜZPVLJʯ IUUQTTQFBLFSEFDLDPNVUBNLYJBOHTIVP PDJLPOUFOBSBOUBJNVZPVLJBUEJIVJLPOUFOBKJTIVGBMTFRJOH CBPKJBPIVBOIVJ

ίϯςφͷར༻ͱ ΦʔέετϨʔγϣϯ

ίϯςφͷॏཁͳϢʔεέʔε w؀ڥͷϙʔλϒϧԽ w؀ڥߏஙͷࣗಈԽʢΦʔέετϨʔγϣϯʣ w؀ڥͷίʔυԽʢ*OGSBTUSVDUVSFBT$PEFʣ wू໿͞Εͨ؀ڥఏڙ wʢαϯυϘοΫεʁʣ

ίϯςφҎલͷ*B$ w$IFG1VQQFUʹΠϯελϯεϨϕϧͷߏ੒؅ཧ w5FSSBGPSNʹΞʔΩςΫνϟϨϕϧͷߏ੒؅ཧɺ*BB4ͷ؅ཧ wγεςϜ؅ཧΛࣗಈԽ͍ͨ͠ͱ͍͏Ϟνϕʔγϣϯ͕࠷ॳʹ͋ͬͨ w"HJMF*OGSB%FW0QTιϑτ΢ΣΞ։ൃͷϓϥΫςΟεΛΠϯϑϥ ؅ཧʹԠ༻͢ΔͨΊʹ࢖ΘΕ޿·Δ wΠϯελϯεϨϕϧˠ"1*ʹΑΔ*BB4ͷૢ࡞ͱ؅ཧʹ޿͕Δ

ίϯςφͷΦʔέετϨʔγϣϯ wʮΠϝʔδʯͷൃୡʹίϯςφΠϝʔδΛΦʔέετϨʔγϣϯͷ ύʔπͱͯ͠ଊ͑ΒΕΔΑ͏ʹͳΔɻ૊Έ߹ΘͤϕʔεͷΠϯϑϥ w#PSH͔Βͷ,VCFSOFUFTʹίϯςφΛ؅ཧ͢Δ෼ࢄΞʔΩςΫνϟ ͷҰͭͷύλʔϯ͕Ͱ͖ɺͦΕ͕ΦʔϓϯʹͳΓ࠶࣮૷͞ΕΔ w#PSH༝དྷͷ༷ʑͳ֓೦3FDPODJMJBUJPO-PPQɺ෼ࢄετϨʔδ΁ ͷઃఆอଘɺ.BTUFSͱ,VCFMFUɺ

ίϯςφϕʔεΛલఏͱͨ͠ΤίγεςϜ wʮίϯςφϕʔεͷΠϯϑϥʯ͸ࠓ·Ͱʹଘࡏ͠ͳ͔ͬͨ΋ͷͳͷ Ͱɺطଘͷϛυϧ΢ΣΞͷ੾ΓସΘΓ͕ى͜Δ w$/$'ʢ5IF$MPVE/BUJWF$PNQVUJOH'PVOEBUJPOʣͷઃཱ w$MPVE/BUJWFͷఆٛɹIUUQTHJUIVCDPNDODGUPDCMPCNBTUFS%&'*/*5*0/NE ɹ w৽ੈ୅ͷɺ͋Δ͍͸Ґஔ͚ͮΛ৽ͨ͘͠͠ϛυϧ΢ΣΞͨͪ w1SPNFUIFVTɺ'MVFOUEɺ$PSF%/4ɺ&OWPZɺ)FMNɺ3PPLɺ 'BMDPɺ0QFO5SBDJOHɺH31$

ࢀߟจݙɾࢿྉ wʮ-BSHFTDBMFDMVTUFSNBOBHFNFOUBU(PPHMFXJUI#PSHʯ IUUQTQEPTDTBJMNJUFEVQBQFSTCPSHQEG w೔ຊޠͰ͸ʮ(PPHMF͕࡞ͬͨ෼ࢄΞϓϦέʔγϣϯج൫ɺ#PSHͷ࿦จΛಡ Έղ͘ʯγϦʔζͳͲ IUUQTCMPHJOEVDUPSNFFOUSZ wٶԼ߶ีʮ*OGSBTUSVDUVSFBT$PEFͷ͜Ε·Ͱͱ͜Ε͔Βʯ IUUQTTQFBLFSEFDLDPNNJ[[ZJOGSBTUVEZNFFUVQOVNCFS

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Dockerとやわらかい仮想化 - ProSec-IT/SECKUN 2021 edition -

Dockerとやわらかい仮想化 - ProSec-IT/SECKUN 2021 edition -

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1SP4FD54&$,6/WFSTJPO ۙ౻Ӊஐ࿕(.01FQBCP OD %PDLFSͱ ΍ΘΒ͔͍Ծ૝Խ

ۙ౻Ӊஐ࿕6DIJP,POEP w(.0ϖύϘٕज़ج൫݉σʔλج൫νʔϜ wؔ৺ൣғ3VCZ 3VTU -JOVY ίϯςφٕज़ ݴޠ࣮૷ 04࣮૷ w3VCZ,BJHJ

ߨٛલ൒ͷ༧ఆ w࠲ֶͷ಺༰ w%PDLFSͱίϯςφԾ૝Խʹؔ͢Δ֓ཁ wΦϯϥΠϯԋशʢࣄલ༧श0,ʣ w%PDLFS%PDLFS$PNQPTFΛ࣮ࡍʹ৮ΕΔԋश

ίϯςφ࠲ֶ

ͦ΋ͦ΋ɺίϯςφͱ͸ w-JOVYͷ৔߹ɺϓϩηεʹରִͯ͠཭ɺϦιʔε੍ݶɺݖݶͷ੍ݶͳ ͲΛߦ͍ɺಠཱͨ͠؀ڥΛͳΔ΂҆͘શʹఏڙͨ͠΋ͷʢͱ͢Δʣ wͲͷΑ͏ͳܦҢͰ͜͏͍ͬͨʮԾ૝Խʯ͕ग़ݱͨ͠ͷ͔ʁ

GPSLFYFDWFͷؒʹ

CFGPSFίϯςφͷʮܭࢉػͷڞ༗ʯ wਓྨ͸ίϯϐϡʔλΛޮ཰Α͘ڞ༗͔ͨͬͨ͠ w654ɺϚϧνςφϯγʔ w6/*9ϢʔβʔʹΑΔܭࢉػͷڞ༗ w"QBDIF)5514FSWFSͳͲʹΑΔ7JSUVBM)PTUػೳ wDISPPUΛ͸͡Ίͱͨ͠Մࢹൣғͷ੍ݶ wԾ૝Ϛγϯͷ࡞੒ʢLWNɺ2&.6ʣ

"QBDIFͷϚϧνςφϯγʔ wদຊʮ8FCαʔόͷߴूੵϚϧνςφϯτΞʔΩςΫνϟʹؔ͢ΔݚڀʯΑΓ w7JSUVBM)PTU wDISPPU wεϨου୯Ґͷݖݶ؅ཧ wTV&9&$

؆୯ͳԾ૝Խͷܥਤ w ʮ5IF*EFBM7FSTVTUIF3FBM3FWJTJUJOHUIF)JTUPSZPG7JSUVBM.BDIJOFTBOE$POUBJOFSTʯΑΓ

ίϯςφͷొ৔ w,7.ͳͲͷΑ͏ʹɺϋʔυ΢ΣΞΛؚΜͩԾ૝Խ͸҆શͰࣗ༝౓͕ ߴ͘ɺීٴͨ͠ɻ wҰํɺΦʔόʔϔουͷ௿ݮ΍ूੵ཰ͷ޲্ɺىಈ࣌ؒͳͲͷߴ଎ Խɺ؀ڥͷϙʔλϏϦςΟ޲্ͳͲͷधཁ͕ग़ͯ͘Δ wগͣͭ͠ਐԽΛଓ͚͍ͯͨίϯςφʹ஫໨͕ू·Δ

͍ΘΏΔԾ૝Խʢྫʣ ϋʔυ΢ΣΞ ϗετ04ϋΠύʔόΠβ IBSEXBSF FNVMBUJPO ήετ04 ϥΠϒϥϦ ϓϩάϥϜ IBSEXBSF FNVMBUJPO

ίϯςφܕʮԾ૝Խʯ ϋʔυ΢ΣΞ ϗετ04ʢ-JOVYʣ ίϯςφ Τϯδϯ ϥΠϒϥϦ ϓϩάϥϜ ίϯςφ Τϯδϯ ϥΠϒϥϦ

ίϯςφʹΑΔʮԾ૝Խʯٕज़ཁૉ w SFGIUUQTJCMBDLIBUDPN64"5IVSTEBZVT"WSBIBNJ&TDBQJOH7JSUVBMJ[FE$POUBJOFSTQEG

ϓϩηε͔ΒΞΫηεͰ͖Δൣғͷ෼཭ wϑΝΠϧγεςϜͷִ཭DISPPUQJWPU@SPPU w04Ϧιʔεͷִ཭-JOVY/BNFTQBDF w1%ͷִ཭ɺϚ΢ϯτϙΠϯτͷִ཭ɺ6TFS%NBQQJOH΄͔

ϓϩηεͷݖݶͷ੍ݶ wಛݖΛ෼ׂ͠ɺҰ෦ͷΈͷണୣ΍෇༩-JOVY$BQBCJMJUZ wγεςϜίʔϧ୯ҐͰͷݺͼग़੍͠ݶɺτϨʔεTFDDPNQ w-JOVY4FDVSJUZ.PEVMF -4. "QQ"SNPS4&-JOVY

ϓϩηεͷϋʔυ΢ΣΞϦιʔεͷ੍ݶ wݹయతSFTPVSDFMJNJUVMJNJU SMJNJUQSMJNJU wDHSPVQ $POUSPM(SPVQT w$16ɺϝϞϦɺϒϩοΫ0ɺ1%਺΄͔ w୯ʹϓϩηεͷάϧʔϓ୯ҐͰͷૢ࡞΋ߦ͑Δ

%PDLFSʹ͓͚ΔΠϝʔδ wࠩ෼ϑΝΠϧγεςϜʢ6OJPO'JMFTZTUFNʣΛ༻͍ͯมߋՕॴ͚ͩΛ ௥هͯ͠؅ཧՄೳʹͨ͠ wΫϥ΢υ্ʹΠϝʔδΛϓογϡ͠ɺ୭Ͱ΋ϓϧͰ͖ΔΑ͏ IUUQTEPDTEPDLFSDPNTUPSBHFTUPSBHFESJWFSɹ

%PDLFS,VCFSOFUFT0$* wϥϯλΠϜͷ։ൃɺཚཱ w0QFO$POUBJOFSOJUJBUJWFͷ੒ཱɺ0$TQFDͷެ։ wίϯςφ͕ຬͨ͢΂͖࢓༷ͷ੔ཧʢΠϝʔδɺηΩϡϦςΟଞʣ w,VCFSOFUFTͷొ৔ w(PPHMFࣾ಺ͷج൫ʮ#PSHʯΛϕʔεʹެ։͞Εͨ΋ͷ wߴϨϕϧϥϯλΠϜɺ௿ϨϕϧϥϯλΠϜͷϨΠϠ෼͚͕ਐΉ

0$*TQFD wIUUQTHJUIVCDPNPQFODPOUBJOFSTSVOUJNFTQFD

ࡢࠓͷίϯςφϥϯλΠϜ wߴϨϕϧϥϯλΠϜ௿ϨϕϧϥϯλΠϜΛ۠ผͯ͠ཧղ͢Δ IUUQTXXXTMJEFTIBSFOFU,PIFJ5PLVOBHBTTɹ

ࢀߟจݙʢ࿦จʣ wদຊ྄հ ʮ8FCαʔόͷߴूੵϚϧνςφϯτΞʔΩςΫνϟʹؔ ͢Δݚڀʯ ೥౓ژ౎େֶେֶӃ৘ใֶݚڀՊത࢜࿦จֶҐ৹ ࠪެௌձ .BZ w"MMJTPO3BOEBM ʮ5IF*EFBM7FSTVTUIF3FBM3FWJTJUJOHUIF

ࢀߟจݙʢॻ੶ʣ wίϯςφܕԾ૝Խ֓࿦ʢ઒ޱ௚໵ ΧοτγεςϜʣ wIUUQXXXDVUUDPKQCPPLIUNM

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