(01) P.i

錄̾ΡֹⶶפΡֹפϡ֤ϤפˤƤ̤̤ܽ
ơꤤޤ

(02) P.viii

錄̾ΡֹⶶפΡֹפϡ֤ϤפˤƤ̤̤ܽ
ơꤤޤ

(03) P.xiii

ԤƤ  ԤƤ

(04) P.xv

ɽ롣  ɽޤ

(05) P.xvi

=====
ԤWebڡˤϡɽɲþ󤬷ǺܤƤ롣ʲΥɥ쥹ǥ
Ǥޤ
http:///
=====

嵭Ǥ졢ä Web ȤʤɤѰդɬפϤʤǤ???

(06) P.2, L.-5

٤ʥץ



٤ʥġ

(07) P.8, 

ο1-2ΥǡֲޤƤʤˤꡢ

 錄Ȥ٤̯ǤĿŪˤäʤǤ

(08) P.10, 

HTTPʤɤΥץꥱإץȥϡΥӥ¸ޤ
Υӥ󶡤ˤTCPɬפȤʤޤ



HTTPʤɤΥץꥱإץȥϡ줾Υӥ¸
󶡤ˤĤƤTCP˰¸Ƥޤ

(09) P.12, 

åޥȷ24ݡȥͥåȥå



åޥȷ48ݡȥͥåȥå

Ǥ24ݡȤʤǤ̿ϤɤƤ48ݡȤǤ͡ġ

(10) P.29, 

MACɥ쥹XX:XX:XX:XX:XX:XX

XX:XX:XX:XX:XX:XX ϥåΤ

(11) P.30

ɤ֥å



ɤ֥å줿

(12) P.32, 

Ʊ֤Ȥˤʤꡢ



Ʊ֤ˤʤꡢ

(13) P.41

̾root¤ʤ



Ūroot¤ʤ

ľˡ̾פΤ

(14) P.43

ͥåȥʤȤ˥١饤ΩƤСʤȤΥȥե
ɤΤ褦ʤΤ狼ޤ



ͥåȥʤȤ˥١饤ꤹ뤳ȤǡΥȥե
ɤΤ褦ʾ֤İǤޤ

(15) P.45

Хɽޤ



ХǧǤޤ

(16) P.45

ޤץȥγؤΰ㤤ϡܤǤ϶̤ޤ



ޤץȥγؤΰ㤤򸫤ܤǼ̤뤳ȤϤǤޤ

(17) P.45

٤ƤΥѥåȤͥåȥäȤɽޤ



٤ƤΥѥåȤͥåȥäޤޤɽޤ

(18) P.64, 4-14

ID  IDʸ

(19) P.67

4ܤΥӥåȤåȤƤХե饰ꤵƤ뤳Ȥˤʤޤ



ΥӥåȤꤵƤꡢ4ȤͤˤʤäƤХե饰ꤵƤ뤳
Ȥˤʤޤ

(20) P.75

ɽȤäե륿



ɽȤäե륿

(21) P.77

¿ΥѥåȤˤϤޤޤؤǤĤΥץȥ뤬ޤޤƤ뤿ᡢ
ѥåȿιפȥץȥΥѡͤιפϰۤʤ礬ޤ



¿ΥѥåȤˤϤޤޤؤǤĤΥץȥ뤬ޤޤƤ뤿ᡢ
åȿιפȥץȥΥѡͤιפۤʤ뤳ȤΤǤ

(22) P.79

褤ȤŤ



ɤȤ

Ρ֤褤פϴ夯Ȼפޤġ

(23) P.91

٤ͥåȥΥȥ֥륷塼ƥ



ͥåȥٱΥȥ֥륷塼ƥ

(24) P.93

Ƥ礦



Ƥޤ礦

(25) P.94

ΥۥȤֳ󤳤ˤϡIPɥ쥹XX.XX.XX.XXǡMAC
ɥ쥹XX:XX:XX:XX:XX:XXǤIPɥ쥹XX.XX.XX.XXοͤΤ
ΤǤ

 XX ʬ򥤥åΤ

(26) P.95

õƤIPɥ쥹XX.XX.XX.XXäƤΤϻǤMACɥ쥹
XX:XX:XX:XX:XX:XX

 XX ʬ򥤥åΤ

(27) P.96

ΥѥåȤ˥֥ɥ㥹ȥѥåȤ



ΥѥåȤΤ˥֥ɥ㥹ȥѥåȤ

(28) P.96

ͥåȥؤˤ



ͥåȥإåˤ

(29) P.98

̣ΤΤǤ



ͭյʤΤǤ

(30) P.102

Ȥ롼ϤĤΤȤԤޤι԰٤Τˡġľ





Υ롼ưˤäƤϡġľ

(31) P.110

ݡȤ̤ˡ



ΥݡȤͿ٥̾

(32) P.120

ΥѥåȤICMPʬŸפȥɤΥեɤ򸫤С
ΥѥåȤμब狼ޤ



ΥѥåȤICMPInternet Control Message ProtocolʬŸType
Codeեɤ򸫤СΥѥåȤμब狼ޤ

(33) P.120

׵pingˤȾʬǤ



Υping׵ϡȾʬǤ

(34) P.120, 

ҲΥ



Ҳ

(35) P.130, 

ơʥ饤ȡIPɥ쥹Υեɤ



Your (Client) IP Addressեɤ

(36) P.135

ҤȤĤΥե饰ؤ



ҤȤĤFlagsؤ

(37) P.150

ϥĥȤΥѥåȤȤȤˤʤޤ



ϥĥȤΥѥåȤȤȤ狼ޤ

(38) P.152, 

ͧã̴ˤʤäƤäƤ뤳ȤįơʬäˤʤäƤߤʤ
ޤ



ͧã̴ˤʤäƤäƤ뤳ȤįơʬθƤߤʤޤ

(39) P.157

Flags0x0100ɸ९ˡϥեɤ



Flags0x0100 (Standard query)ϥեɤ

(40) P.159

ŵŪ



ŵŪʥȥ֥

(41) P.159

٥ե饤ˤʤäƤ



٥ե饤ȯƤ

(42) P.160, 

ΥץϤ狼褦



νϿ8-20狼褦

(43) P.175

ǡݥȥ



ǡ١

(44) P.179

μФؤ



μФؤ

(45) P.190, 

ɥĴΤʺȤǤ



ɥĴϤ̣ñʽǤ

(46) P.192, 

뤳Ȥǡ
̿Ƴޤ



ޤ

(47) P.193, 

᤯餵ƤΤ狼
ޤ.ɥ᤯餵ȡޤǲ


ɥ᤯ƤΤ狼
ޤ.ɥ᤯ȥޤǤäƤޤ

(48) P.193, 

Τᡢ9-18Τ褦ˡΥѥåȤ
Window Update9-18Τ褦Ƥޤ



ΤᡢΥѥåȤ
Window Update9-18Τ褦Ƥޤ

(49) P.196

Wiresharkλɽ



Wiresharkλɽ

(50) P.233, 

ŪͭͥåȥȤ



ŪͭLANȤ

(51) P.235, 

22GHz



22MHz

(52) P.240, 

褦ˡUI



褦˥桼󥿡ե

(53) P.243, 

Type/subtype



Type/Subtype

(54) P.246, 

2422ͤ



2412ͤ

(55) P.250,

Ĥ̵LAN



̵LAN

(56) P.258

ʲǤϡumount /dev/
sdb1ޥɤ¹ԤƤޤ/dev/sdb1USBˡ



ʲǤϡ/dev/sdb1USBˤʤΤǡumount /dev/sdb1ޥɤ
Ԥޤ

(57) P.258,

root@packman:.# mount
/dev/sda1 on / type ext4 (rw,errors=remount-ro,commit=600)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
fusectl on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc
(rw,noexec,nosuid,nodev)
gvfs-fuse-daemon on /home/wakatono/.gvfs type fuse.gvfs-fuse-daemon
(rw,nosuid,nodev,user=wakatono)
/dev/sdb1 on /media/5017-E8DB type vfat
(rw,nosuid,nodev,uid=1000,gid=1000,shortn
ame=mixed,dmask=0077,utf8=1,showexec,flush,uhelper=udisks)



root@packman:.# mount
/dev/sda1 on / type ext4 (rw,errors=remount-ro,commit=600)
proc on /proc type proc (rw,noexec,nosuid,nodev)
ά
gvfs-fuse-daemon on /home/wakatono/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=wakatono)
/dev/sdb1 on /media/5017-E8DB type vfat (rw,nosuid,nodev,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush,uhelper=udisks)  USB

ľܴطʤԤ¿ʬɤΤ

(58) P.263

ߴޤ



ߴޤ

(59) P.263, 

֥åΤȤ
0x00000006



֥å0x00000006ξ硢

(60) P.264, 

֥åΤȤ0x00000003ȡ



֥å0x00000003ξ硢

(61) P.265, 

editcapʤɤΥץ



editcapʤɤΥġ

(62) P.274

ϡ줫ȤȤǤ褤Ǥ͡
κ Metasploit ܤΤĤȻפޤġ

(63) P.281

Windows 2003 Server



Windows Server 2003

(64) P.281

ˡӥ



ˡˬԿ

(65) P.282

ⶶΡֹפλ֤ϤפˤƤ

(66) xiii

ʲʬäȴƤ褦˻פޤ

ʤȤֲפ˴ؤʤɤϻĤƤʤȡʤ֡ʥС
1.8.0ˡפȤʤäƤΤȤäʤʤäƤޤޤ

=====
[sec] ˺ݤ
ǤϡܽΤ˴ؤκݤαˤĤƵܤޤ̤λ˴ؤϡȤơܽγĽ˵ܤƤޤ

WiresharkΥСˤĤ

ǤϡоݤȤWiresharkΥСˤĤơŪʵܤϤޤ̥ץʤɤȽǤ¤ꡢɮǤ餯ǿǤ1.6ϤоݤȤƤ褦ǤܽǤϡܽǺǿ1.8.01.6κǽǤǤ1.6.8ǥ桼󥿥եγǧԤʲˤбƤޤ

ʸ

桼󥿥եѹȼܤʤɤѹɬפȤʤϡŪʸѹηǤʸؤ­ԤäƤޤ



桼󥿥եѹȼβ1.8.0ȰۤʤäƤϡ1.8.0β˺ؤԤޤκݤϡο֤βˡ(С1.8.0ˡפȤ򵭺ܤƤޤ

ѸˤĤ

Ԥϡ֤äФʡפȸäƤ褦ˡ̤ܽѸˤϤޤ굤ۤäƤʤ褦ǤˤꡢƱǰؤƤѸϲǽʸ¤줹褦ˤޤʲ˸̤Ѹα򵭺ܤޤ

ۥȡԥ塼

ܽɤ¤ꡢdeviceˤ̿communication deviceˤϼ2ذʲλǤѸ졢֥ۥȡhostˡפϼ3ذʾλǤѸ졢֥ԥ塼computerˡworkstationmachineפϥ桼ߤ"ѥ"ȤƤγǰ򼨤Ȥ˻ȤƤ뤳Ȥ¿褦˸ޤФкѤƤޤ

ߤΤǤɤƤ¤ΰս꤬ФƤޤᡢʲˤѸΡ̾󤻡פԤޤ

ݰϢʸǤƱѸȤ
ݸʸɽºŤĤġǽʸ¤ֵפȡ֥ۥȡפ˽󤹤롣̿ס֥ԥ塼ɽĤ

ѸƱǰ򼨤ȹͤƤɤߤꤢޤ
=====


(67) xiii

Wireshark 1.8ʹߤ



Wireshark 1.8.0ʹߤ

(68) P.263

Wireshark 1.8ʹߤ



Wireshark 1.8.0ʹߤ
