=== ch11.docx
[chap]11́@LAÑpPbg

LAN̐ÉA`IȗLLANƂ͏XႤ̂łBTCPICPƂʓIȒʐMvgR͎g܂AOSIQƃf̉wx֍sƘbXςĂ܂BLAN̐ƕwɂāAf[^NwɏdvɂȂĂ̂łB̑wɂăANZXłf[^ƃLv`@ςĂ܂B
lƁA܂܂1͂𖳐LANł̃pPbgLv`Ɖ͂ɂĂĂsvcł͂Ȃł傤B̏͂ł́ApPbg͂lƂɁAȂLANʂȂ̂A܂̉ۑǂz邩ɂĐ܂B񖳐LANLv`̎ۂ̗Ă܂B

wIl@
LANœ]ꂽf[^Lv`A͂Ƃɂ܂lȂ΂Ȃ̂́AIȓ]}̂łB܂ł̓P[uŒʐMĂ߁AwɂĂ͍lĂ܂łBx͖ڂɌȂdgŒʐMApPbg󒆂ьƂɂȂ܂B

1̃`lXjbtBO
LANiWLANj̃gtBbÑLv`łƂIȂ̂́AgLĂ}̂ƂƂłBeNCAgƎ̃lbg[NP[uŃXCb`ɐڑĂLlbg[NƂ͈قȂAʐM}̂̓NCAgLŁAeʂɌ肪܂BЂƂWLAN802.11gɐ߂銄͂ق̂킸łB̂ߕ̃VXeAg̈قȂ镔gAIԂɂēł̂łB

@LAŃAēdCdqZpҋiIEEEjJ802.11KiɊÂĂ܂B̏͂ɓoꂷ閳LANp802.11KiɏĂ܂B

Ԃ́̕Ag`lɕ邱ƂŎĂ܂Bčɂ11̃`l܂BWLAN͈x1̃`lłʐMȂ̂ŁA1̃`lXjbtBO܂i}11-1jB̂߃`l6WLANguV[eBOƂɂ́A`l6ł̃gtBbNLv`悤ɃVXeݒ肷Kv܂B

}11-1@1̃`lXjbtBOłȂ̂ŁAދɂȂ邩Ȃ
LANNCAg@ANZX|Cg
gсi11`lj

@`IȖLANXjbtBO͓1̃`lłs܂񂪁AOЂƂ܂Bꕔ̖XLjOAvP[V́Af[^W邽߂ɂ΂₭`l؂ւu`lzbsOvƂeNjbN̗pĂ܂BȂłƂLȃc[Kismet (http://www.kismetwireless.net/)ŁA1bԂɍō10`l܂Ő؂ւ邽߁Ã`l𓯎ɃXjbtBO邱Ƃł܂B

LAÑC^[tF[X
f[^Cʂđ邽߁ALANł͂łMpłʐMsĂ킯ł͂܂BMW邱Ƃ܂BLANɂ͊𐧌䂷@\Ă܂Aꂪ܂삵ȂƂ܂BĖLANŃpPbgLv`Ƃɂ́Adg𔽎˂́Adđ傫Ȃ́AdqWA2.4GHz̃R[hXdbAǁAx̂̂Ȃǂ߂ɂȂƂmF܂傤B̓pPbgdpPbgAsȌ`̃pPbǧɂȂ܂B
`lԂ̊l܂傤BɂЂƂ̃`lXjbtBOłȂƂ͂AӂKvłBgł͕̈قȂ`lp\łAeʂĂ邽߁A}11-2̂悤Ƀ`lmł₩ԂĂ镔܂B܂`l4ƃ`l5ɃgtBbNāAǂ炩̃`lXjbtBOĂƂƁÃ`l̃pPbgLv`Ă܂ꍇ̂łBʂɂ́Äɋlbg[ŃA݂ɂԂȂ`l1A6A11g悤݌vĂ邽߁Â悤Ȗ͋Nɂ̂łȀꍇɔAȂԂ邩𗝉Ă܂傤B

}11-2@gш悪Ă邽߂Ƀ`lmԂĂ
`lgiGHzj

MoA͂
M̃guV[eBÓAWiresharkŃpPbg邾łł悤Ȃ̂ł͂܂BLAÑguV[eBOŃLAς݂ȂAIɐM`FbNKv܂Bgɂf[^⊱\c[AgAiCUgΉ\łB
Ɨp̎gAiCU͐h͂܂AIɎg\[V܂BMetaGeekWi-SpyƂíA802.11gŜ̊ĎUSB@łBMetaGeekChanalyzer\tgEFAƑgݍ킹ƁAWi-Spy͎go͂OtĂ܂B̃Tv}11-3Ɏ܂B

}11-3@Chanalyzeȑo͂ɂē̈ŕ̖LAN삵Ă̂킩

LANJ[h̃[h
LAÑpPbgLv`OɁALANJ[h̃[hɂĊwł܂傤B
NIC[h4ނ܂B

}l[Wh[h
}l[Wh[hł́ANCAg̓ANZX|CgiWAPFWireless Access Pointjɒڐڑ܂B̃[hł́ANCAg̓ANZX|CgɒʐM̐C܂B

AhzbN[h
AhzbN[h́ANCAgmږĒʐMƂɎg܂B̃[hł͒ʐMs2̃NCAgAANZX|Cg̑ɒʐM𐧌䂵܂B

}X^[[h
nCGhȖLANJ[h́A}X^[[hT|[gĂ܂B̃[hł́AʂȃhCo\tgEFAɂANCAgANZX|Cĝ悤ȖSƂł܂B

j^[[h
ꂪƂdvȃ[hłBj^[[h̖LANJ[h́Af[^̑Ms킸AьpPbgĎ܂BWiresharkŖLAÑpPbgLv`ꍇ́ALv`Rs[^̖LANJ[hj^[[hT|[gĂKv܂BpPbgLv`邽߂ɖLANJ[h𔃂Ƃ́Aj^[[hiRFMON[hƂĂ΂܂jT|[gĂ邱ƂmFĂB

LANJ[ĥقƂǂ̓}l[Wh[hAhzbN[hɂȂĂ܂Be[h̓}11-14Ɏ܂B

}11-4@LANJ[h̃[h
NCAg@}l[Wh[h@ANZX|Cg@NCAg
NCAg@AhzbN[h@NCAg
NCAg@}X^[[h@NCAgi}X^[j@NCAg
NCAg@j^[[h@NCAgi}X^[j@NCAg

@pPbg͂ɂ͂ǂ̖LANJ[hƂ悭܂BggĂāAԂ߂̂uALFA 1000mW USBvA_v^łBǂ̃pPbgłmɃLv`łAƂꂽiƂč]Ă܂BقƂǂ̃IC̃Rs[^n[hEFATCgœ\łB

Windowsł̖LAÑXjbtBO
j^[[hT|[gĂ閳LANJ[hgĂĂAWindowsł͂̃[hgƂł܂iWinPcapT|[gĂ܂jBق̃hCoKvłB

AirPcap̐ݒ
AirPcapiCACE TechnologiesA݂RiverbedPFhttp://www.cacetech.com/j́AWindowsŖLAÑpPbg͂s߂ɐ݌vꂽ̂łBAirPcap͖LANł̃pPbgLv`̂߂ɐ݌vꂽUSBtbVhCułi}11-5jBAirCap3͂ŐWinPcaphCogĂAp̐ݒʂ܂B

}11-5@AirPcap̓m[gPCƈꏏɊȒPɎ^ׂ邭炢RpNg

AirPcap̐ݒ̓IvVȂ̂ŔɊȒPłB[AirPcap Control Panel]ȉ̃IvVݒ\łi}11-6jB

[Interface]
Lv`ɎgfoCXIł܂B͂ƂɁAAirPcapgĕ̃`l𓯎ɃXjbtBOꍇ܂B
[Blink Led]
AirPcapLED_ł܂BAirPcapgĂƂɁAǂgĂ邩߂̂̂łB
[Channel]
ł́AAirPcapgăLv``lI܂B
[Indlude 802.11 FCS in Frames]
OSɂẮAftHgŖLAÑpPbg̃`FbNT̍Ō4rbg菜Ă܂Ƃ܂B̃`FbNTFCSiFrame Check SequencesjƌĂ΂ĂA]ĂԂɃf[^jĂȂƂۏ؂邽߂ɎgĂ܂BɗRȂ΁A`FbN{bNXIɂFCS`FbNT폜Ȃ悤ɂ܂傤B
[Capture Type]
[802.11 Only][802.11 + Radio]Ƃ2̃IvV܂B[802.11 Only]ƂIvV́AWI802.11̃pPbg̃wb_Lv`ƂƂłB[802.11 + Radio]́A[gAgAMxmCYx܂ރWI^bvwb_Lv`܂B\ȂׂĂ̏悤ɂ邽߁A[802.11 + Radio]I܂傤B
[FCS Filter]
[Include 802.11 FCS in Frames]̃`FbN{bNXIɂĂȂĂÃIvVLɂĂFCS̃`FbNɂf[^jĂƔf΃pPbg̓tB^܂B[Valid Frames]IvVIɂ΁AFCS̃`FbNɂf[^MꂽƔfꂽ̂\܂B
[WEP Configuration]
ł́AXjbtBOlbg[NWEPL[͂AWEPɂĈÍꂽf[^߂ł悤ɂ܂BWEPL[ɂẮHHHy[ẂuCXZLeBv̍Ő܂B

}11-6@AirPcap̐ݒpvO


AirPcapgpPbgLv`
AirPcapCXg[Đݒ肵AWireshark𗧂グ[Capture][Options]I܂B[Interface]AirPcapI܂@i}11-7jB

}11-7@Lv`C^[tF[XƂāAAirPcap̃foCXI

[Wireless Settings]Ƃ{^ȊO͌ꂽʂƎv܂B[Wireless Settings]@{^NbNAirPcapƓIvV\܂i}11-8jBWiresharkAirPcapƊSɈ̉Ă邽߁AAirPcatŐݒł邱ƂWiresharkłݒł܂B

}11-8@[Advanced Wireless Settings]_CAOłWiresharkAirPcap̐ݒ肪ł

ݒ肪ׂďIA[Start]{^ăpPbgLv`JnĂB

Linuxł̖LANXjbtBO
Linuxł̃XjbtBOɕKvȂ̂́ALANJ[hj^[[hɂ邱ƂłBcOȂ烂j^[[hɕύX菇͖LANJ[hƂɈقȂ邽߁Ał̂肩邱Ƃ͂ł܂BLANJ[hɂĂ͕ύXsvȂ̂܂B̖LANJ[hɂāAGoogleŌĂ݂ĂB
LinuxŖLANJ[hj^[[hɕύXƂʓIȕ@́ALinuxɃrgCĂ@\gƂłBiwconfigR}hg΁ALANJ[hݒł܂BR\[iwconfigsƁAȉ̂悤ȌʂɂȂ܂B

$ iwconfig
Eth0 no wireless extensions
Lo0 no wireless extensions
Eth1 IEEE 802.11gESSID: "Tesla Wireless Network"
Mode: Managed Frequency: 2.462 GHz Access Point: 00:02:2D:8B:70:2E
Bit Rate: 54 Mb/s Tx-Power-20 dBm Sensitivity=8/0
Retry Limit: 7 RTS thr: off Fragment thr: off
Power Management: off
Link Quality=75/100 Signal level=-71 dBm Noise level=-86 dBm
Rx invalid nwid: 0 Rx invalid crypt: 0 Rx invalid frag: 0
Tx excessive retries: 0 Invalid misc: 0 Missed beacon: 2

iwconfigR}ȟʂA802.11gƂLAÑvgRɂĂ̏񂪕\ĂEth1LAÑC^[tF[Xł邱Ƃ܂BEth0Lo0ł͖LAN͎g܂B
Eth1ƕ\Ăs̉̍sĂBiwconfigR}hsē閳LANJ[hESSIDiExtended Service Set IDjgȂǂ̏ƂƂɁA[hManagedłƕ\Ă܂BύXKv܂B
Eth1j^[[hɕύXɂrootKvȂ̂ŁAsuR}hŃ[U[ύX܂B

$ su
Password: <root̃pX[h>

rootɂȂ΁ALANJ[h̃IvVݒ肷R}hs邱Ƃł܂BEth1j^[[hɂɂ́Aȉ̃R}hsĂB

# iwconfig eth1 mode monitor

j^[[hɕύXAiwconfigxsĕύXLɂ܂Bȉ̃R}hsĂB

# iwconfig eth1 up

iwconfigR}hŃ`l؂ւ邱Ƃł܂BEth1̃`l3ɐ؂ւɂ́Aȉ̃R}hsĂB

# iwconfig eth1 channel 3

@pPbgLv`ĂԂɂ`l؂ւ邱Ƃł̂ŁAȂύXĂBXNvgĂ܂΂ȒPɎs邱Ƃł܂B

ݒ肪IWiresharkNApPbgLv`JnĂB

802.11̃pPbg\
LANƗLLAÑpPbg̈Ⴂ́A802.11wb_邩ȂłB̃C2wb_ɂ̓f[^]Ɏg}̂̏񂪊܂܂Ă܂B802.11pPbgɂ3̃^Cv܂B

}l[Wg
C2ŃzXgԂ̐ڑm邽߂ɎgpPbgłB}l[WgpPbg̃Tu^Cvɂ́AF؁AA\VG[VAr[RpPbg܂B

Rg[
}l[WgpPbgƃf[^pPbgzA܂pPbgݍȂ悤ɂ܂BʓIȃTu^CvƂRTSiRequest-to-sendjCTSiClear-to-sendjpPbg܂B

f[^
ۂɃf[^܂񂾃pPbgŁA܂LANLlbg[NւƓ]\ȗB̃pPbg^CvłB

LAN̍\̓pPbg̃^CvƃTu^CvɂČ܂̂ŁA\ɂ͑Ȑ܂Bt@C80211beacon.pcap̃pPbgāA\̂ЂƂĂ݂܂傤B̃t@Cɂ͐}11-9Ɏ悤ɁAr[RƂ}l[WgpPbg̗Ⴊ܂܂Ă܂B

}11-9@802.11r[RpPbg

r[R͖LANł̒ʐMɂĂƂLvȃpPbg1łBr[R̓ANZX|Cgu[hLXgɑMpPbgŁÃANZX|Cgɐڑ\ȃNCAgɑ΂āAڑɕKvȃp[^邽߂ɑM܂Bł́ÃpPbg802.11wb_̃^Cv^Tu^CvtB[hŃr[Rƒ`Ă܂@B
802.11}l[Wgt[wb_ɂ́Ȁ܂ނ̒ǉ񂪊܂܂Ă܂B

Timestmp@pPbg]ꂽԂłB
Beacon Interval@r[RpPbgđ܂ł̊ԊułB
Capability Information@ANZX|Cg̃n[hEFA̐\ɂĂ̏łB
SSID Parameter Set@ANZX|Cgu[hLXgĂ閳LANZOgSSIDłB
Supported Rates@ANZX|CgT|[gĂf[^̓][głB
DS Parameter@ANZX|Cgu[hLXgĂ`lłB

wb_ɂ͂܂AMƈ̃AhXƁAx_L̏񂪊܂܂Ă܂B
̒mƂɁAr[R𑗐MĂANZX|CgɂĂȂ̏񂪓܂B802.11bKiiBjBɂD-LinkfoCXAŁA`l11CgĂ͖̂炩łB
802.11}l[WgpPbg̒gړI͕ς܂AʓIȍ\̗͂ƓłB

LANL̏pPbgꗗ̃yCɒǉ
Wireshark̃pPbgꗗ̃yCɂ͒ʏ6̃J܂BLAN̉͂֐i߂OɁApPbgꗗ̃yCɐV3̃JǉĂ܂傤B

ERSSIiReceived Signal Strength IndicationFMMxjJBLv`pPbg̖giRFjM̋܂B
ETX RateiTransmission RatejJBLv`pPbg̃f[^][g܂B
EFrequency/ChannelJBpPbgWꂽgƃ`l܂B

̎wW͖LANł̃guV[eBOɂđ傫ȏɂȂł傤BƂΖLAÑNCAgMƂƂĂƂÃJ΂ꂪ{Ȃ̂ǂm߂邱Ƃł܂B
̃JpPbgꗗ̃yCɕ\ɂ́Aȉ̎菇ɏ]ĂB

1DCj[[Edit][Preference]NbN܂B
2D[Columns]I[New]{^NbN܂B
3D[Title]̃eLXg{bNXRSSIƓ͂A[Field type]hbv_EXg[IEEE 802.11 RSSI]I܂B
4DTX RateFrequency/ChannelJɂĂ菇JԂA[Field type]hbv_EXgłꂼ[IEEE 802.11 TX Rate][Channel/ Frequency]I܂B}11-10͈ȏ̎菇I[Preferences]EBhEłB
5D[OK]NbNĕύXۑ܂B
6DWiresharkċNĐVJ\܂B

}11-10@LANL̏\JpPbgꗗ̃yCɒǉ

LANL̃tB^
tB^̗LpɂĂ4͂ŋc_܂BLLANł͊eʐM@ɃP[u݂邽߁ALv`pPbĝ݂Lv`tB^͊ȒPɍ邱Ƃł܂BȂALANł͊eNCAgɂĔ邷ׂẴgtBbN`lɋĂA1̃`lLv`Ƃ܂܂ȃNCAg̃gtBbN݂̂L^܂Bł́A߂pPbĝ݂Lv`ł悤ȃtB^̍wт܂B

BSSIDŃtB^O
eANZX|Cgɂ́ABSSIDiBasic Service Set IdentifierjƌĂ΂郆j[NȖOUĂ܂BANZX|CgMALAÑ}l[WgpPbgƃf[^pPbg̒ɂ́A̖O܂܂Ă܂B
Ȃ͂悤ƂĂ閳LANBSSID΁AƂ͓̃ANZX|Cg瑗MpPbg邾łBWiresharkł́ApPbgꗗ̃yCInfoJŃpPbg]ĂANZX|Cg\Ă܂̂ŁAړĨpPbgô͊ȒPł傤B
͂LAÑANZX|Cg瑗MĂpPbgA802.11wb_BSSIDo܂傤BꂪtB^̊{ƂȂAhXłBBSSIDMACAhXÂ悤ȃtB^g܂B

wlan.bssid.eq 00:11:22:33:44:55:66

ł̃ANZX|Cgʉ߂gtBbN݂̂Lv`悤ɂȂ܂B

LAÑpPbg^CvŃtB^O
̏͂̍ŏŁALAÑpPbgɂ͂̃^CvƂƂqׂ܂B܁Ã^CvTu^CvɂăpPbgtB^OKv܂B^Cvʂłwlan.fc.typeA^CvƃTu^Cvgݍ킹ꍇwc.fc.type_subtypẽtB^gƂł܂BƂNULLf[^pPbgi16ił̓^Cv2Tu^Cv4̃pPbgjtB^OꍇAtB^wlan.fc.type_subtype eq 0x24g܂BLANpPbg^CvƃTu^CvŃtB^Oۂ̈ʓIȃtB^̎QƂƂāA\11-1𗘗pĂB

\11-1@LAÑ^Cv^Tu^CvʃtB^ꗗ
^Cv^Tu^Cv@tB^\
}lWgt[
Rg[t[
f[^t[
A\VG[VNGXgiAssociation requestj
A\VG[VX|XiAssociation responsej
A\VG[VNGXgiReassociation requestj
A\VG[VX|XiReassociation responsej
v[uNGXgiProbe requestj
v[uX|XiProbe responsej 
r[R
fBXA\VG[giDisassociatej 
I[ZeBP[ViAuthenticationj 
fI[ZeBP[ViDeauthenticationj
ANVt[iAction framesj 
ubNACK NGXgiBlock ACK requestsj
ubNACKiBlock ACKj 
PS-PolliPower save pollj 
RTSiRequest to sendj 
CTSiClear to sendj 
ACK 
CF-EndiContention free period endj 
NULL f[^iNULL dataj 
QoS f[^iQoS dataj
Null QoS f[^iNull QoS dataj 


gŃtB^O
̃`l̃pPbg܂ރgtBbN𒲂ׂȂA`lʃtB^ɖɗ܂BƂ΃`l16ɂgtBbNȂƕĂ΁A11`lׂẴgtBbN\悤tB^O܂B2̃`lȊOŃgtBbN΁Aݒ~XʐM@ɏQȂǁA肪邱ƂɂȂ܂BgʂɃtB^Oɂ́Â悤ȍ\g܂B

radiotap.channel.freq == 2412

Ń`l1ׂ̂ẴgtBbN\܂B2422̒lʂ̎gɕς΁Ã`ltB^Oł܂B\11-2͊e`l̂̎g̈ꗗłB

\11-2@`lƎg
`l@g

LAN̂߂ɃtB^쐬@͉SƂ܂BLv`tB^̃Tvhttp://wiki.wireshark.org/Wireshark WikiQƂĂB

LAÑZLeB
LANWJAǗƂ̍ő̌OA]f[^̃ZLeBłBf[^͋󒆂ł߁A킩ΒNł^_ŉł̂ŁAf[^̈ÍdvłB΁AWiresharkAirPcapJ[h΁ANłf[^̂łB

@SSLSSHȂǂ̕ʂ̑ẅÍgƁAgtBbN͂̑wł͈Í邽߁A[U[̒ʐMpPbgXjbt@œǂނƂ͂ł܂B

LANňSɃf[^]邽߂ɓD܂Ă̂AWEPiWired Equivalent PrivacyjKiłBWEP͂̈ÍL[Ǘ@ɂ̎_܂ŁANɂ킽Ăx̍LĂ܂AZLeB̂߂ɁA݂͐VȋKi肳Ă܂BꂪWPAiWi-Fi Protected AccessjWPA2KiłBWPAAĉǔłłWPA2ɂ_͂܂AWEP͂͂邩ɈSƍlĂ܂B
̍łWEPWPÃgtBbNA܂F؎s̗Ă܂B

WEPF؂̐
t@C80211-WEPauth.pcapɂ́ALANւ̐ڑ̐Ⴊ܂܂Ă܂B̃lbg[ÑZLeB́AWEPL[Őݒ肳Ă܂BF؂ɐAf[^ÍđM邽߂ɁAANZX|CgɓnKv̂WEPL[łBLAÑpX[hƍl΂ł傤B
}11-11Ɏ悤ɁALv`t@C̓ANZX|Cg(00:11:88:6b:68:30) NCAgi00:14:a5:30:b0:afjɁA4Ԗڂ̃pPbgŃ`WMƂ납n܂Ă܂@BNCAgWEPL[ǂmF̂`W̖ړIłB802.11wb_LA^Otꂽp[^ΊmFł܂B

}11-11@ANZX|CgNCAgɃ`WMĂ

`W5Ԗڂ̃pPbgŊmF܂BNCAgWEPL[gāAÍꂽ`W̃eLXg𕜍A}11-12̂悤ɃANZX|CgɕԂ܂@B

}11-12@NCAg͕`WANZX|CgɕԂ

pPbg͍Ă7Ԗڂ̃pPbgŊmFAANZX|Cg͐}11-13̂悤8Ԗڂ̃pPbgŃNCAgɉ܂Bɂ͔F؃vZXƂʒm܂܂Ă܂@B

}11-13@ANZX|CgNCAgɔF؂Ƃ`Ă

F؂ƁANCAg͐ڑv𑗐MAmFMāAɖLANɐڑ܂i}11-14jB

}11-14@F؂̏̓VvȐڑvƐڑɂčs

WEPF؂̎s
̗ł́A[U[ANZX|Cgɐڑ邽߂WEPL[͂̂́AbɃNCAg̃[eBeBڑłȂƕ񍐂Ă܂B̌ʂ̃t@C80211-WEPauthfail.pcapłB
ڑƓlAłANZX|Cg3Ԗڂ̃pPbgŃNCAgɃ`W𑗐MƂ납n܂Ă܂BꂪmFANCAg5Ԗڂ̃pPbgŁAWEPL[gĉĂ܂B
{͂ŔF؂ɐƂʒm󂯎͂łA}11-15Ɏ悤ɁA7Ԗڂ̃pPbgɂ͈Ⴄe܂@B

}11-15@F؂ɎsƂbZ[W

bZ[Wɂ́A`Wɑ΂NCAg̉ȂƂ܂B͂܂ANCAg`WeLXg̕ɎgWEPL[ԈĂƂӖ܂B̂߂ɐڑɎŝłBWEPL[ōēxڑ݂Ȃ΂Ȃ܂B

WPAF؂̐
WPAWEPƂ͂܂قȂF؃JjYpĂ܂AڑɃL[͂߂_͈ꏏłBt@C80211-WPAauth.pcapWPAF؂̐Ⴊ܂B
t@C̍ŏ̃pPbǵAANZX|Cg̃r[RłB̃pPbg802.11wb_LāA^Otꂽp[^̉āA}11-16̂悤[Vendor Specific]wfBOLĂ݂܂傤BANZX|CgWPAp̍͂ł@BɂăANZX|CgWPAT|[gĂ邱ƁA܂T|[gĂo[WƎ킩܂B

}11-16@r[RɂăANZX|CgWPAF؂T|[gĂ̂

r[RMƁANCAgi00:14:6c:7e:40:80j̓ANZX|Cgi00:0f:b5:88:ac:82jɃv[uNGXg𑗐MAANZX|Cg܂BF؁AڑNGXgAX|X́A4Ԗڂ7Ԗڂ̃pPbgōs܂B
8Ԗڂ̃pPbg傫i݂܂BWPAnhVFCNn܂A11Ԗڂ̃pPbg܂ő܂B}11-17ł̂悤ɁAWPÃ`WX|Xŝ̃nhVFCNvZXłB

}11-17@̃pPbgWPAnhVFCN̈ꕔ

ɂ2̃`WƃX|X܂B}11-18̂悤ɁA802.1xF؃wb_̉[Replay Counter]tB[hɂāA`WƃX|XgɂȂĂ܂Bŏ2̃nhVFCNpPbgReplay Counterl͂P@A2̃nhVFCNpPbg̒l2AɂȂĂ܂B

}11-18@[Replay Counter]tB[hɂă`WƃX|X1gɂł

WPAnhVFCNIF؂ƁANCAgƃANZX|CgԂł̃f[^̑Mn܂܂B

WPAF؂̎s
WEPlA[U[WPAL[͂ANCAg̃[eBeBڑłȂƂ񍐂Ƃ납猩Ă܂傤B̃t@C80211-WPAauthfail.pcapłB
قǂƓALv`t@CWPAF؂ɐꍇƓ悤Ɏn܂Ă܂Bt@Cɂ̓v[uAF؁Aڑv܂܂Ă܂BWPAnhVFCN8Ԗڂ̃pPbgŎn܂Ă܂AȂF؂ɐꍇ4ł͂ȂA8̃nhVFCNpPbg݂Ă܂B
WPAnhVFCN̍ŏ2̃pPbgA8Ԗڂ9Ԗڂ̃pPbgłBł́ANCAgANZX|Cg֑Mꂽ`WeLXgԈĂ܂B̌ʓvZX10Ԗڂ11ԖځA12Ԗڂ13ԖځA14Ԗڂ15ԖڂŌJԂĂ̂łi}11-19jB[Replay Counter]lg΁ANGXgƃX|Xgɂ邱Ƃł܂B

}11-19@pPbg̑WPAF؂̎sĂ

nhVFCNvZX݂̎4JԂƁAʐMj܂B}11-20̂悤ɁA16Ԗڂ̃pPbgŃANZX|CgF؂̎sm炳܂B

}11-20@WPAnhVFCNsAF؂s

܂Ƃ
LAN݂͌܂Sł͂ȂƍlĂ܂A܂܂Ȋł̕yX[_EĂ킯ł͂܂BLANւ̈ڍsƂƂɁALLANƓl̃f[^Lv`Ɖ͂s悤ɂȂ̂dvłB̏͂Ŋw񂾃XLƊTO͊SȂ̂ł͂܂񂪁ApPbg͂ɂ閳LAÑguV[eBO̓𗝉̂ɖ𗧂͂łB

