???ݎ?????date?R?}???h?Őݒ肵?܂??B

"00 04"??IP??\???܂??B

4500 00 30 c8 c9 40 00 fc066e 21ac米兰中国官网 ea 02 ac米兰中国官网 fe 6608 1a00 177a 78 c8 0000 00 00 00 70 02 40 e8 b1 b0 00 0002 04 05 b403 03 00 00

???Ă????p?P?b?g?iIP?p?P?b?g?j?̍\??

?????????Ő??????????e?́A?p?P?b?g?𑗐M?????[????PC?A?A?v???P?[?V?????̋?ʂ??ȒP?ac米兰中国官网????????x?ł??BTCP/IP?p?P?b?g?ac米兰中国官网???ďڍׂɒm?肽?????͈?ʂɔ̔?????Ă???TCP/IP?Ɋւ??????{?????Q?Ƃ????????B

0								1								2								3
0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1
Ver				IHL				Type of Service								Total Length
Identification																flags			Fragment Offset
Time to Live								Protocol								Header Checksum
Source Address
ac米兰中国官网
Options																								Padding
Data (If protocol isicmp or 15 or udp)

Version??

IP?o?[?W?????D??????S?ŌŒ?D???ac米兰中国官网???Ή????Ȃ??p?P?b?g?̓T?C?????g?f?B?X?J?[?h?̑ΏۂƂȂ?D

ac米兰中国官网??

32?r?b?g??1?P?ac米兰中国官网???IP?f?[?^?O?????w?b?_?̒?????32?r?b?g??1?P?ac米兰中国官网??????ŕ\?킷?D?ŏ??l(Option?w?肪?????ꍇ)???T?ōő?l??15(60?I?N?e?b?g)?D?ʏ킻?̂قƂ?ǂ?5?ac米兰中国官网??Ă???B

Protocol??

?v???g?R???ԍ?

icmp	0x01(1)
tcp	0x06(6)
udp	0x11(17)

Source Address??

???M??IP?A?h???X

ac米兰中国官网??

????IP?A?h???X

Options, Padding??

???̍??ڂ?"ac米兰中国官网"?ac米兰中国官网??6?ȏ?̎??ɑ??݂???B

Protocol??ICMP?̎???Data??

0								1								2								3
0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1
Type								Code								Checksum
ICMP Message

"Type"?ac米兰中国官网?ɂ??ICMP?̎?ނ??킩??܂??B

0x00(0)	Echo Reply(ping?̉???)	0x0d(13)	ac米兰中国官网
0x03(3)	Destionation Unreachable	0x0e(14)	ac米兰中国官网 Reply
0x04(4)	Source Quench	0x0f(15)	Information Request
0x05(5)	Redirect	0x10(16)	Information Reply
0x08(8)	Echo (ping?̑??M)	0x11(17)	ac米兰中国官网 Request
0x0b(11)	Time Exceeded	0x12(18)	ac米兰中国官网 Reply
0x0c(12)	Parameter Problem	-	-

Protocol??TCP?̎???Data??

0								1								2								3
0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1
ac米兰中国官网																ac米兰中国官网
Sequence Number
Acknowledgment Number
Data Offset				Reserved						Control Flags						Window
Checksum																Urgent Pointer
Option																								Padding
Data

Protocol??UDP?̎???Data??

0								1								2								3
0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1
ac米兰中国官网																ac米兰中国官网
Length																Checksum
Data

??ȃA?v???P?[?V?????ƃ|?[?g?ԍ???

?[????PC???瑗?M?????TCP??UDP?p?P?b?g?? "ac米兰中国官网" ?? "Destination Port" ?̓??e????A?v???P?[?V??????T?[?o?????ł??܂??B

ftp-data	0x0014(20)	pop3	0x006e(110)
ftp	0x0015(21)	netbios-ns	0x0089(137)
telnet	0x0017(23)	netbios-dgm	0x008a(138)
smtp	0x0019(25)	netbios-ssn	0x008b(139)
http	0x0050(80)	-	-

?ڎ??ɖ߂?