第125回 PHP勉強会@東京 で発表したスライドです。
1)1FS͕Δ͖%/4ͷ͖΄Μ·Έͳ͓͖ !NBNZ"QSୈճ1)1ษڧձˏ౦ژ
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ࣗݾհName ɿ·Έͳ͓͖ॴଐɹ ɿInnovator Japan Inc.Twitterɿ@mamy1326- ීஈPHPॻ͍ͯ·͢- 20183݄ʹDNSͷษڧΛ࢝ΊΔ- ࠓ1ωοτϫʔΫ͕ςʔϚ
ຊ࣋ͪؼ͍ͬͯͨͩ͘͜ͱ
%/4ා͘ͳ͍ʂΛ͍͑ͨ
งғؾͰυϝΠϯ໊%/4ΛͬͯΔਓ͕
͜Μͳ͜ͱͯ͠ΔΑͱݴ͏جຊͷҰ෦ΛΔ͜ͱͰ
υϝΠϯ໊ͱ*1ΞυϨεΛલΑΓ্ख͘ѻ͑ͯ
ࠓΑΓͬͱָ͘͠ͳΔ͖͔͚ͬʹ͍ͨ͠
ɹɹେܴ
͓͢Δ͜ͱ▶︎ υϝΠϯ໊ͷੜཱ͍ͪ▶︎ ໊લղܾ▶︎ ߏͱκʔϯ▶︎ ϦιʔεϨίʔυ▶︎ ίϯςϯπαʔό▶︎ ελϒϦκϧό ͱϑϧαʔϏεϦκϧό▶︎ DNS·ͱΊ
8FCαʔό*1ΞυϨεͰܨ͕Δ
8FCαΠτΛݟ͍ͨͳΠϯλʔωοπॅॴͱͯ͠*1ΞυϨεࢦఆ͠ɹɹίϯςϯπΛϦΫΤετ⾣⾢ॅॴͱͯ͠*1ΞυϨεࢦఆ͠ɹɹίϯςϯπΛฦ͢ ίϯςϯπΛฦ͢ΑΫϥΠΞϯτ8FCαʔό8FCαʔό*1ΞυϨεͰܨ͕Δ
Πϯλʔωοπॅॴͱͯ͠*1ΞυϨεࢦఆ͠ɹɹίϯςϯπΛϦΫΤετ⾣⾢ॅॴͱͯ͠*1ΞυϨεࢦఆ͠ɹɹίϯςϯπΛฦ͢8FCαʔόΫϥΠΞϯτ8FCαʔό*1ΞυϨεͰܨ͕Δ
Πϯλʔωοπ8FCαʔόΫϥΠΞϯτ5$1*18FCαʔό*1ΞυϨεͰܨ͕Δ
%/4͕ͳ͍߹
⾣8FCαΠτΛݟ͍ͨ%/4͕ͳ͍߹
⾣8FCαΠτΛݟ͍ͨXXXIPOOPKJOPIFOKQΠϯλʔωοπϒϥβ 8FCαʔό%/4͕ͳ͍߹
⾣8FCαΠτΛݟ͍ͨXXXIPOOPKJOPIFOKQΠϯλʔωοπυϝΠϯ໊ࢦఆ͠ɹɹίϯςϯπΛϦΫΤετ⾣ϒϥβ 8FCαʔό%/4͕ͳ͍߹
⾣8FCαΠτΛݟ͍ͨXXXIPOOPKJOPIFOKQΠϯλʔωοπυϝΠϯ໊ࢦఆ͠ɹɹίϯςϯπΛϦΫΤετ⾣ࠓɺຊೳࣉ͕͍ϒϥβ 8FCαʔό%/4͕ͳ͍߹
⾣8FCαΠτΛݟ͍ͨXXXIPOOPKJOPIFOKQΠϯλʔωοπυϝΠϯ໊ࢦఆ͠ɹɹίϯςϯπΛϦΫΤετ⾣ϦΫΤετ͕ಧ͔ͳ͍ͷͰ͞Λ͑ΒΕͳ͍ ࠓɺຊೳࣉ͕͍ϒϥβ 8FCαʔό%/4͕ͳ͍߹
ຊདྷ*1ΞυϨεΛࢦఆ͖͢
͔͠͠ਓؒࣈ͕ۤख
⾣υϝΠϯ໊Λ͏ཧ༝ɾਓ֮ؒ͑ΒΕͳ͍ɹˠͱ͔ࣈͷཏྻɾ*1ΞυϨεͰҙຯΛදݱͰ͖ͳ͍ͦ͜ͰυϝΠϯ໊ͷొ8FCϝʔϧυϝΠϯ໊ࢦఆ
⾣υϝΠϯ໊ͷϝϦοτɾ͍֮͑͢ʂɹˠXXXIPOOPKJOPIFOKQͳΔ΄ͲຊೳࣉɾαʔϏεʹ߹໊ͬͨલΛબ*1ΞυϨεͷΘΓʹѼઌࢦఆͷจࣈྻʹυϝΠϯ໊8FCϝʔϧυϝΠϯ໊ࢦఆ
υϝΠϯ໊ͱ*1ΞυϨεΛؔ࿈͚ͮΔඞཁ͕͋Δ
%PNBJO/BNF4ZTUFN⾣υϝΠϯ໊ͱ*1ΞυϨεΛඥ͚ɾॅॴͰ͋Δ*1ΞυϨε͕Θ͔Βͳ͍ɹɹˠαʔϏεड͚ΒΕͳ͍ɾυϝΠϯ໊Λ߹ͤɹɹˠ*1ΞυϨεΛԠ%/4Ͱ໊લղܾ
໊લղܾ⾣ͬ͘͟Γͱͨ͠ΈɾυϝΠϯ໊ͷ*1ΞυϨεΛղܾ͢ΔΈɹɹˠͦΕҎ֎ͷׂࠓճ͠·ͤΜɾͷʮ%/4ݖҖαʔόʯʴଟͷηΧϯμϦɹɹˠ%/4ίϯςϯπαʔόɾϒϥβ͕04ͷιϑτΣΞ໊લղܾΛґཔɹɹˠґཔ͞ΕΔͷελϒϦκϧόɾ%/4αʔόʹ߹໊ͤͯલղܾɹɹˠϑϧαʔϏεϦκϧό
ελϒϦκϧόϩʔΧϧͷ%/4αʔό࠶ؼݕࡧᶃXXXNBNZKQΛϒϥβͰ࣮ߦ%/4ΩϟογϡαʔόʢϑϧαʔϏεϦκϧόʣϧʔτ%/4αʔόKQ%/4αʔόNBNZKQ%/4αʔόNBNZKQͷ8FCαʔό*1ᶅXXXNBNZKQͷ*1ΞυϨεڭ͑ͯʂ⾣⾢ᶆKQ͔ͩΒɺKQͷ%/4αʔόʹฉ͍ͯʂKQͷ%/4αʔόͷ/4Ϩίʔυͱ"ϨίʔυΛฦ͢ᶇXXXNBNZKQͷ*1ΞυϨεڭ͑ͯʂ⾣⾢ᶈNBNZͷ%/4αʔόʹฉ͍ͯʂNBNZͷ%/4αʔόͷ/4Ϩίʔυͱ"ϨίʔυΛฦ͢ᶉXXXNBNZKQͷ*1ΞυϨεڭ͑ͯʂ⾣⾢ᶊXXXNBNZKQXXXNBNZKQͷ"ϨίʔυΛฦ͢෮ݕࡧ˛ᶋXXXNBNZKQͷɹ*1ΞυϨεᶌ8FCϒϥβ͕ʹΞΫηε⾣ᶄXXXNBNZKQɹͷ*1ΞυϨεʁ˝%/4ίϯςϯπαʔό໊લղܾͷྲྀΕ
%/4ॏཁͳΠϯϑϥϢʔβαʔόΠϯλʔωοτΠϯλʔωοτ্ͷαʔϏεΛड͚͍ͨѼઌͷࢦఆ⾣Ѽઌͷࢦఆ
%/4ॏཁͳΠϯϑϥ⾣ѼઌυϝΠϯ໊ɹ̴̬̱αʔϏεʜʜʜIUUQTXXXNBNZDPNɹిࢠϝʔϧʜʜʜʜʜJOGP!NBNZDPNɹϑΝΠϧసૹʜʜʜʜGUQGUQNBNZDPNυϝΠϯ໊͕͋Δ͔ΒαʔϏε͕ड͚ΒΕΔʹ%/4ΠϯλʔωοτͷΠϯϑϥ
υϝΠϯ໊Ͳ͏ཧ͞ΕΔͷ͔
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNϧʔτ EOTHBNFυϝΠϯ໊ߏ
υϝΠϯ໊ߏKQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNʜ%/4ɹίϯςϯπαʔόϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNʜ%/4ɹίϯςϯπαʔόϧʔτ EOTHBNFߏΛ෮߹ͤͰḷΔ8FCαʔόEOTTUVEZNBNZDPKQυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNʜ%/4ɹίϯςϯπαʔόϧʔτ EOTHBNFߏΛ෮߹ͤͰḷΔ8FCαʔόEOTTUVEZNBNZDPKQ5PQ-FWFM%PNBJOΛཧτοϓϨϕϧυϝΠϯυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNʜ%/4ɹίϯςϯπαʔόϧʔτ EOTHBNFߏΛ෮߹ͤͰḷΔ8FCαʔόEOTTUVEZNBNZDPKQKQυϝΠϯΛཧυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNʜ%/4ɹίϯςϯπαʔόϧʔτ EOTHBNFߏΛ෮߹ͤͰḷΔ8FCαʔόEOTTUVEZNBNZDPKQDPKQυϝΠϯΛཧυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNʜ%/4ɹίϯςϯπαʔόϧʔτ EOTHBNFߏΛ෮߹ͤͰḷΔ8FCαʔόEOTTUVEZNBNZDPKQNBNZDPKQυϝΠϯΛཧυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNʜ%/4ɹίϯςϯπαʔόϧʔτ EOTHBNFߏΛ෮߹ͤͰḷΔ8FCαʔόEOTTUVEZNBNZDPKQTUVEZNBNZDPKQυϝΠϯΛཧυϝΠϯ໊ߏ
KQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNϧʔτ EOTHBNF໊લۭؒυϝΠϯ໊ߏ
ߏͱκʔϯKQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQ
ߏͱκʔϯKQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQϧʔτͷωʔϜαʔόͷκʔϯ
ߏͱκʔϯKQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQKQͷωʔϜαʔόͷκʔϯ
ߏͱκʔϯKQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNDPKQͷωʔϜαʔόͷκʔϯϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQ
ߏͱκʔϯKQOFUDPBDNBNZNBNZTUVEZIPCCZVLDPNNBNZDPKQͷωʔϜαʔόͷκʔϯϧʔτ EOTHBNF8FCαʔόEOTTUVEZNBNZDPKQ
ߏͱκʔϯ⾣υϝΠϯ໊ิɾυϝΠϯ໊ӈ͔Βղऍɹˠτοϓ ˠKQˠDPˠNBNZˠʜɾKQυϝΠϯ+134 +B1BO3FHJTUSZ4FSWJDFTɹˠKQυϝΠϯͷ૯ݩకΊɾඇӦརஂମ*$"// *OUFSOFU$PSQPSBUJPOGPS"TTJHOFE/BNFTBOE/VNCFSTɹˠυϝΠϯͱ*1ΞυϨεͷ૯ݩకΊ
ߏͱκʔϯ⾣κʔϯิɾυϝΠϯͷ͕κʔϯɹˠ53*$,ʹग़ͯ͘Δ୯ޠͰͳ͍ɾκʔϯʹ%/4ίϯςϯπαʔό͕͋Δɹˠ෮ݕࡧͰͭͳ͍Ͱߦ͘ɾجຊతʹࣗͷκʔϯ͚ͩΛཧɹˠκʔϯϑΝΠϧͷهड़ʹΑͬͯෳཧ
κʔϯϑΝΠϧͷதͷ
໊લղܾͷԠ⾣Ԡ͢Δใ͕ඞཁɾ໊લղܾͷԠ༻ϨίʔυΛ࣋ͭɹɹˠ֤%/4ίϯςϯπαʔόͰσʔλϕʔεԽɾυϝΠϯ໊ͷ߹ͤʹԠ͢Δɹɹˠ໊લղܾͰ͖ΔԠ͢ΔϨίʔυΛϦιʔεϨίʔυͱݺͿ
ϦιʔεϨίʔυ⾣%/4ίϯςϯπαʔό͕ཧɾσʔλϕʔεԽ͞ΕͨκʔϯϑΝΠϧͷதɹˠཧԼͷϗετʢαʔόʣͳͲͷใɾܾ·ͬͨϑΥʔϚοτ͕͋ΔɹˠυϝΠϯ໊ɺϗετ໊ɺछྨɺઃఆɾ༻్ʹԠ༷ͯ͡ʑͳछྨ͕͋Δɹˠ/4ɺ"ɺ$/".&ɺ.9ɺ40"ɺͳͲͳͲɹɹ"84ͩͱ3PVUFʹొ͢Δ
දతͳϦιʔεϨίʔυʢ/4ɺ"ʣ
/4 /BNF4FSWFSϨίʔυ⾣υϝΠϯ໊ͷ͍߹ΘͤઌΛද͢ɾཧ͍ͯ͠Δ%/4ίϯςϯπαʔόͷҕୗઌɹˠυϝΠϯ໊NBNZKQ͜ͷ%/4αʔόʹฉ͍ͯ͘Εɾ/4ϨίʔυΛυϝΠϯ໊ʹؔ࿈͚ͮΔɹˠυϝΠϯ໊Λऔಘͨ͠ͱ͜Ζʹ໊લղܾઌΛొɾྫɿ໊͓લͷυϝΠϯ໊ͷ%/4Λ"84Ͱཧ͍ͨ͠ɹˠᶃ3PVUFʹ)PTUFE[POF ཧ͍ͨ͠υϝΠϯ໊Λొɹɹᶄ/4Ϩίʔυ͕ҰఆͷϧʔϧͰ࡞ΒΕɺ%/4αʔόׂΓͯɹɹᶅ%/4αʔό໊Λ໊͓લͷ֘υϝΠϯ໊ʹొ
⾣ओͳϑΥʔϚοτ໊લ λΠϓ 55- σʔλ 3%"5"NBNZKQ /4 OTBXTEOTDPN/4 /BNF4FSWFSϨίʔυɾ໊લɹɹˠϦιʔεϨίʔυͷ໊લɻ/4ͷ߹υϝΠϯ໊ͱͳΔɾλΠϓɹɹˠϦιʔεϨίʔυΛࣝผ͢ΔλΠϓɻ/4ωʔϜαʔόʔΛද͢ɾ55-ɹɹˠϦιʔεϨίʔυΛΩϟογϡ͢Δ࣌ؒ ඵɾσʔλɹɹˠλΠϓʹґଘ͢Δσʔλɻ/4ͷ߹%/4ίϯςϯπαʔό໊
⾣EJHίϚϯυͰݟΔ/4 /BNF4FSWFSϨίʔυEJH"/:ZPVSTHNPKQʢதུʣ26&45*0/4&$5*0/ZPVSTHNPKQ */ "/:"/48&34&$5*0/ZPVSTHNPKQ */ " "65)03*5:4&$5*0/HNPKQ */ /4 OTHNPJOUFSOFUKQHNPKQ */ /4 OTHNPJOUFSOFUKQHNPKQ */ /4 OTHNPJOUFSOFUDPN"%%*5*0/"-4&$5*0/OTHNPJOUFSOFUDPN */ " OTHNPJOUFSOFUKQ */ " OTHNPJOUFSOFUDPN */ """" OTHNPJOUFSOFUKQ */ """" %/4ίϯςϯπαʔό໊
⾣EJHίϚϯυͰݟΔ/4 /BNF4FSWFSϨίʔυEJH"/:ZPVSTHNPKQʢதུʣ26&45*0/4&$5*0/ZPVSTHNPKQ */ "/:"/48&34&$5*0/ZPVSTHNPKQ */ " "65)03*5:4&$5*0/HNPKQ */ /4 OTHNPJOUFSOFUKQHNPKQ */ /4 OTHNPJOUFSOFUKQHNPKQ */ /4 OTHNPJOUFSOFUDPN"%%*5*0/"-4&$5*0/OTHNPJOUFSOFUDPN */ " OTHNPJOUFSOFUKQ */ " OTHNPJOUFSOFUDPN */ """" OTHNPJOUFSOFUKQ */ """" %/4ίϯςϯπαʔόͷ࣮ࡍͷ*1ΞυϨε
" "EESFTTϨίʔυ⾣υϝΠϯ໊ʹରԠ͢Δ*1ΞυϨεɾ*1Wͷ*1ΞυϨεΛॻ͘ɹˠ*1Wͷ߹ɺ""""Ϩίʔυʹॻ͘ɾαʔϏε͍ͯ͠Δαʔόͷ*1ΞυϨεɹˠ8FCαʔόͩͬͨΓɺϩʔυόϥϯαʔͩͬͨΓɾਖ਼Ҿ͖༻ͷϨίʔυɹˠυϝΠϯ໊͔Β*1ΞυϨεΛಘΔ͜ͱΛਖ਼Ҿ͖ͱ͍͏
⾣ओͳϑΥʔϚοτ໊લ λΠϓ 55- σʔλ 3%"5"NBNZKQ " ɾ໊લɹɹˠϦιʔεϨίʔυͷ໊લɻ"ͷ߹υϝΠϯ໊ͱͳΔɾλΠϓɹɹˠϦιʔεϨίʔυΛࣝผ͢ΔλΠϓɻ"*1ΞυϨεΛද͢ɾ55-ɹɹˠϦιʔεϨίʔυΛΩϟογϡ͢Δ࣌ؒ ඵɾσʔλɹɹˠλΠϓʹґଘ͢Δσʔλɻ"ͷ߹αʔόͷ*1ΞυϨε" "EESFTTϨίʔυ
⾣EJHίϚϯυͰݟΔEJH"/:ZPVSTHNPKQʢதུʣ26&45*0/4&$5*0/ZPVSTHNPKQ */ "/:"/48&34&$5*0/ZPVSTHNPKQ */ " "65)03*5:4&$5*0/HNPKQ */ /4 OTHNPJOUFSOFUKQHNPKQ */ /4 OTHNPJOUFSOFUKQHNPKQ */ /4 OTHNPJOUFSOFUDPN"%%*5*0/"-4&$5*0/OTHNPJOUFSOFUDPN */ " OTHNPJOUFSOFUKQ */ " OTHNPJOUFSOFUDPN */ """" OTHNPJOUFSOFUKQ */ """" υϝΠϯ໊ʹରԠ͢Δ*1ΞυϨε" "EESFTTϨίʔυ
ϦιʔεϨίʔυ·ͱΊ⾣/4Ϩίʔυ͕ͳ͍ͱʁɾ%/4ίϯςϯπαʔό͕Θ͔Βͳ͍ɹˠυϝΠϯ໊ཧͷҕୗઌ͕ෆ໌ʹ໊લղܾͰ͖ͳ͍⾣"Ϩίʔυ͕ͳ͍ͱʁɾαʔϏε͍ͯ͠Δαʔό͕Θ͔Βͳ͍ɹˠ*1ΞυϨεΛԠͰ͖ͳ͍ʹαʔϏεͰ͖ͳ͍
Ͱʁ%/4ίϯςϯπαʔόͬͯԿʁ
ίϯςϯπαʔόͱ⾣ׂɾΫϥΠΞϯτͷ߹ͤʹϦιʔεϨίʔυԠɹɹˠݖҖαʔόͱɺͦͷηΧϯμϦαʔόɾϦιʔεϨίʔυΛఏڙ͢ΔଆɹɹˠϧʔτɺKQ 5-%ɺDP 4-%ɺNBNZɺFUDɾκʔϯϑΝΠϧͰϦιʔεϨίʔυཧɹɹˠࣗͷͷκʔϯʹؔ͢ΔใΛσʔλϕʔεԽɾΘ͔Βͳ͍߹ʮΘ͔ΒΜʯͱ͑ΔɹɹˠυϝΠϯ͕·ͩऔಘ͞Εͯͳ͍ɺ/4Ϩίʔυ͕ͳ͍߹ͳͲ
ݖҖαʔό⾣ϧʔταʔόੈքʹɹˠ6%1ͷ࠷େύέοταΠζʮCZUFʯʹऩ·Δݶք⾣ϧʔτ͔ΒݖݶҕৡͰߏͰ໊લۭؒɹˠυϝΠϯͷͷαʔόͰࢄཧ⾣໊લۭؒͷ%/4 ίϯςϯπαʔό͕ݖҖαʔόɹˠԠ͢Δଆ͕ͯ͢ݖҖαʔό⾣Θ͔Βͳ͍߹ʮΘ͔ΒΜʯͱ͑ΔɹˠυϝΠϯ͕औಘ͞Εͯͳ͍ɺ/4Ϩίʔυ͕ͳ͍߹ͳͲ
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