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Отчёт к лабораторной работе №3

Изучение протокола ARP. Получение навыков работы с генераторами пакетов

Группа: ИКВТ-61

Студент: Козырев А.Б.

Цель работы: Рассмотреть принципы работы протокола ARP. Получить практические навыки в анализе кадров ARP и их сост лении. Получение базовых навыков по работе с генератором пакетов packit.

3.4.1. Утилита arp. ARP-кэш.

1. arp | tee log.txt

Address

HWtype

HWaddress

Flags Mask

Iface

gateway

ether

20:e5:2a:05:d6:b6

C

enp0s3

2. ping 192.168.1.32 | tee log.txt

PING 192.168.1.32 (192.168.1.32) 56(84) bytes

of data.

64

bytes from 192.168.1.32: icmp_seq=1 ttl=64

time=0.794 ms

64

bytes from 192.168.1.32: icmp_seq=2 ttl=64

time=0.531 ms

64

bytes

from

192.168.1.32: icmp_seq=3

ttl=64

time=1.21 ms

64

bytes

from

192.168.1.32: icmp_seq=4

ttl=64

time=0.683 ms

--- 192.168.1.32 ping statistics ---

4 packets transmitted, 4 received, 0% packet loss, time 3045ms rtt min/avg/max/mdev = 0.531/0.806/1.217/0.255 ms

3. arp | tee log.txt

Address

HWtype

HWaddress

Flags Mask

Iface

192.168.1.32

ether

08:00:27:17:5d:c0

C

enp0s3

gateway

ether

20:e5:2a:05:d6:b6

C

enp0s3

3.4.2. Отправка ARP-запроса и получение ARP-ответа

1.

ARP запрос из A → B

1

2

3

4

5

6

7

 

8

9

 

10

11

12

13

 

14

15

 

16

 

FF:FF:FF:FF:FF:FF

 

 

 

08:00:27:53:80:6c

 

0x0806

0x0001

0x0800

6

4

0x01

 

 

08:00:27:53:80:6c

 

 

0xc0a80124

 

 

 

00:00:00:00:00:00

 

 

0xc0a80120

 

 

 

 

 

 

 

 

 

ARP ответ из B → A

1

2

3

4

5

6

7

 

8

9

 

10

11

12

13

 

14

15

 

16

 

08:00:27:53:80:6c

 

 

 

 

 

 

 

 

 

0x0806

0x0001

0x0800

6

4

0x02

 

 

 

 

 

 

 

 

 

0xc0a80120

 

 

 

08:00:27:53:80:6c

 

 

0xc0a80124

 

 

 

 

 

 

 

 

 

2.tcpdump -i enp0s3 -lvnnSXX -s 1500 'ether proto \arp and host 192.168.1.36 and host 192.168.1.32' | tee log.txt

tcpdump: listening on enp0s3, link-type EN10MB (Ethernet), capture size 1500 bytes

3. packit -t arp -A 1 -y 192.168.1.32 -Y 00:00:00:00:00:00 -x 192.168.1.36 -X 08:00:27:53:80:6c \ -e 08:00:27:53:80:6c -E FF:FF:FF:FF:FF:FF -i enp0s3 | tee log2.txt

Mode: Packet

Injection using device: enp0s3

 

ARP header:

Type: Request(1)

 

Hardware Address: 8:0:27:53:80:6C

Sender:

Protocol Address: 192.168.1.36

Target:

Protocol Address: 192.168.1.32

Hardware Address: 0:0:0:0:0:0

Eth header:

Src Address: 8:0:27:53:80:6C Dst Address: FF:FF:FF:FF:FF:FF

-| Packet Injection Statistics |--------------------------------------------

 

Injected: 1

Packets/Sec: 1.0

Bytes/Sec: 42.0 Errors: 0

4.

22:31:25.325400 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.1.32 tell 192.168.1.36, length 28

0x0000:

ffff ffff ffff 0800 2753

806c

0806

0001 ........

'S.l

....$

0x0010:

0800 0604 0001

0800 2753

806c

c0a8

0124 ........

'S.l...

0x0020:

0000 0000 0000

c0a8 0120

 

 

..........

 

 

22:31:25.326100 ARP, Ethernet (len 6), IPv4 (len 4), Reply 192.168.1.32 is-at

08:00:27:17:5d:c0, length 46

0800 2717

5dc0 0806 0001

..'S.l..'.]

0x0000:

0800 2753

806c

0x0010:

0800 0604

0002

0800 2717

5dc0 c0a8 0120

..........'S.l

'.].....

0x0020:

0800 2753

806c

c0a8 0124

0000 0000 0000

$......

0x0030:

0000 0000

0000

0000 0000

0000

............

 

3.4.3. ARP-spoofing: подмена соответствия MAC-адреса IP-адресу

1.

ARP-reply самопроизвольный ответ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

 

8

9

 

10

11

12

13

 

14

15

 

16

 

08:00:27:53:80:6c

 

 

 

08:00:27:04:ed:15

 

0x0806

0x0001

0x0800

6

4

0x02

 

 

08:00:27:04:ed:15

 

 

0xc0a80120

 

 

 

08:00:27:53:80:6c

 

 

0xc0a80124

 

 

 

 

 

 

 

 

 

2. tcpdump -i enp0s3 -XX -s 1500 \ 'ip proto \icmp and dst host 192.168.1.32' | tee log.txt

tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on enp0s3, link-type EN10MB (Ethernet), capture size 1500 bytes

3. packit -t arp -A 2 -y 192.168.1.36 -Y 08:00:27:53:80:6c -x 192.168.1.32 - X 08:00:27:04:ed:15 -e 08:00:27:04:ed:15 -E 08:00:27:53:80:6c -c 10 -w 5 - i enp0s3 | tee log2.txt

Mode: Packet

Injection using device: enp0s3

 

ARP header:

Type: Reply(2)

Hardware Address:

Sender:

Protocol Address: 192.168.1.32

8:0:27:4:ED:15

Hardware Address:

Target:

Protocol Address: 192.168.1.36

8:0:27:53:80:6C

 

Eth header:

Src Address: 8:0:27:4:ED:15 Dst Address: 8:0:27:53:80:6C

-| Packet Injection Statistics |--------------------------------------------

 

Injected: 10

Packets/Sec: 1.1 Bytes/Sec: 46.6 Errors: 0

4.ping 192.168.1.32 | tee log.txt

PING 192.168.1.32 (192.168.1.32) 56(84)

bytes of data.

64

bytes from 192.168.1.32: icmp_seq=27

ttl=64 time=0.992 ms

64

bytes from 192.168.1.32: icmp_seq=28

ttl=64 time=0.373 ms

64

bytes from 192.168.1.32: icmp_seq=29

ttl=64 time=0.729 ms

64

bytes from 192.168.1.32: icmp_seq=30

ttl=64 time=0.393 ms

64

bytes from 192.168.1.32: icmp_seq=31

ttl=64 time=0.376 ms

64

bytes from 192.168.1.32: icmp_seq=32

ttl=64 time=0.371 ms

64

bytes from 192.168.1.32: icmp_seq=33

ttl=64 time=0.712 ms

64

bytes from 192.168.1.32: icmp_seq=34

ttl=64 time=0.479 ms

64

bytes from 192.168.1.32: icmp_seq=35

ttl=64 time=0.760 ms

64

bytes from 192.168.1.32: icmp_seq=36

ttl=64 time=0.478 ms

64

bytes from 192.168.1.32: icmp_seq=37

ttl=64 time=0.832 ms

64

bytes from 192.168.1.32: icmp_seq=38

ttl=64 time=0.602 ms

64

bytes from 192.168.1.32: icmp_seq=39

ttl=64 time=0.996 ms

64

bytes from 192.168.1.32: icmp_seq=40

ttl=64 time=1.16 ms

64

bytes from 192.168.1.32: icmp_seq=41

ttl=64 time=1.93 ms

64

bytes from 192.168.1.32: icmp_seq=42

ttl=64 time=0.566 ms

64

bytes from 192.168.1.32: icmp_seq=43

ttl=64 time=0.480 ms

64

bytes from 192.168.1.32: icmp_seq=44

ttl=64 time=0.418 ms

64

bytes from 192.168.1.32: icmp_seq=45

ttl=64 time=0.369 ms

64

bytes from 192.168.1.32: icmp_seq=46

ttl=64 time=0.433 ms

64

bytes from 192.168.1.32: icmp_seq=47

ttl=64 time=0.471 ms

64

bytes from 192.168.1.32: icmp_seq=48

ttl=64 time=0.450 ms

5. On host C

01:44:07.221349 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 1, length 64

0x0000:

0800

2704

ed15 0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010:

0054

7486

4000

4001

428e

c0a8 0124 c0a8

.Tt.@.@.B

....$..

0x0020:

0120

0800

eaf5 07d3 0001 b4e6 c05c 0000

.............

 

\..

0x0030:

0000 c61f 0b00

0000

0000

1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:08.225628 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 2,

length 64

0800

2704

ed15 0800 2753 806c 0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054

7564

4000

4001

41b0

c0a8 0124 c0a8

.Tud@.@.A

....$..

0x0020:

0120

0800

d5e1 07d3 0002 b5e6 c05c 0000

................2

 

\..

0x0030:

0000 da32 0b00

0000

0000

1011 1213 1415

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:09.249334 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 3,

length 64

0800

2704

ed15 0800 2753 806c 0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054

7620

4000

4001

40f4

c0a8 0124 c0a8

.Tv.@.@.@

....$..

0x0020:

0120

0800

6d83

07d3

0003

b6e6 c05c 0000

....m........

 

\..

0x0030:

0000

4190

0b00

0000

0000

1011 1213 1415

..A.............

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:10.272788 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 4,

length 64

0800

2704

ed15 0800 2753 806c 0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054

76c8

4000

4001

404c

c0a8 0124 c0a8

.Tv.@.@.@L

...$..

0x0020:

0120

0800

a923

07d3

0004

b7e6 c05c 0000

.....#.......

 

\..

0x0030:

0000

04ef 0b00 0000 0000 1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:11.295922 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 5,

length 64

0800

2704

ed15 0800 2753 806c 0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054

7799

4000

4001

3f7b c0a8 0124 c0a8

.Tw.@.@.?{

...$..

0x0020:

0120

0800

adc6 07d3 0005

b8e6 c05c 0000

................J

 

\..

0x0030:

0000 fe4a 0c00

0000

0000

1011 1213 1415

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:12.319097 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 6,

length 64

0800

2704

ed15 0800 2753 806c 0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054

77fb 4000 4001 3f19 c0a8 0124 c0a8

.Tw.@.@.?

....$..

0x0020:

0120

0800

ca68 07d3

0006

b9e6 c05c 0000

.....h.......

 

\..

0x0030:

0000

e0a7 0c00 0000

0000

1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

67

 

 

01:44:13.343252 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 7, length 64

0x0000:

0800

2704

ed15 0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010:

0054

7882

4000

4001

3e92

c0a8 0124 c0a8

.Tx.@.@.>

....$..

0x0020:

0120

0800

b907

07d3

0007

bae6 c05c 0000

.............

 

\..

0x0030:

0000 f007

0d00

0000

0000

1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:14.366819 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 8,

length 64

0800 2704

ed15

0800

2753

806c

0800

4500

..'

'S.l..E.

0x0000:

0x0010:

0054 7937

4000

4001

3ddd

c0a8

0124

c0a8

.Ty7@.@.=....

$..

0x0020:

0120

0800

c8a8

07d3

0008

bbe6 c05c 0000

.............\..

0x0030:

0000 df65 0d00

0000

0000

1011 1213 1415

...e............

0x0040:

1617

1819

1a1b

1c1d 1e1f 2021 2223 2425

...........!"#$%

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

01:44:15.389935 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 9, length 64

0x0000:

0800

2704

ed15 0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010:

0054

79e6

4000

4001

3d2e c0a8 0124 c0a8

.Ty.@.@.=

....$..

0x0020:

0120

0800

ee4b 07d3 0009

bce6 c05c 0000

.....K.......

 

\..

0x0030:

0000

b8c1 0d00

0000

0000

1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:16.414225 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 10, length 64

0x0000:

0800

2704

ed15 0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010: 0054 7a9f 4000 4001 3c75 c0a8 0124 c0a8

.Tz.@.@.<u

...$..

0x0020:

0120

0800

4fea 07d3

000a

bde6 c05c 0000

....O........

 

\..

0x0030:

0000

5522

0e00 0000

0000

1011 1213 1415

..U"............

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

67

 

 

01:44:17.436831 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 11,

length 64

 

 

 

 

 

..'

'S.l..E.

0x0000: 0800 2704 ed15 0800 2753 806c 0800 4500

0x0010: 0054 7ab9 4000 4001 3c5b c0a8 0124 c0a8

.Tz.@.@.<[

...$..

0x0020:

0120

0800

bd8d 07d3

000b

bee6 c05c 0000

................}

 

\..

0x0030: 0000 e67d 0e00 0000

0000

1011 1213 1415

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

67

 

 

01:44:18.460237 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 12,

length 64

 

 

 

 

 

 

..'

'S.l..E.

0x0000: 0800 2704 ed15 0800 2753 806c 0800 4500

0x0010: 0054 7af5 4000 4001 3c1f c0a8 0124 c0a8

.Tz.@.@.<

....$..

0x0020:

0120

0800

852f

07d3

000c

bfe6 c05c 0000

...../.......

 

\..

0x0030:

0000 1ddb 0e00

0000

0000

1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:19.484494 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 13, length 64

0x0000:

0800

2704

ed15 0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010: 0054 7b61 4000 4001 3bb3 c0a8 0124 c0a8

.T{a@.@.;

....$..

0x0020:

0120

0800

d9ce 07d3

000d

c0e6 c05c 0000

................:

 

\..

0x0030: 0000 c73a 0f00 0000

0000

1011 1213 1415

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

67

 

 

01:44:20.508023 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 14, length 64

0x0000:

0800

2704

ed15

0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010:

0054 7b78 4000

4001 3b9c c0a8 0124 c0a8

.T{x@.@.;

....$..

0x0020:

0120

0800

fdb1

07d3

000e

c2e6 c05c 0000

................V

 

\..

0x0030:

0000 b056 0000

0000

0000

1011 1213 1415

 

!"#$%

0x0040:

1617

1819

1a1b

1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:21.531383 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 15,

length 64

0800

2704

ed15 0800 2753 806c 0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054

7b7b 4000

4001

3b99

c0a8 0124 c0a8

.T{{@.@.;

....$..

0x0020:

0120

0800

f652

07d3

000f

c3e6 c05c 0000

.....R.......

 

\..

0x0030:

0000

b6b4 0000

0000

0000

1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:22.554899 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 16, length 64

0x0000: 0800 2704 ed15 0800 2753 806c 0800 4500 ..'.....'S.l..E.

0x0010:

0054 7c0a 4000

4001

3b0a c0a8 0124 c0a8

.T|.@.@.;

....$..

0x0020:

0120

0800

42f4

07d3

0010

c4e6 c05c 0000

....B........

\..

0x0030:

0000

6812

0100

0000

0000

1011 1213 1415

..h.............

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

01:44:23.577968 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 17,

length 64

 

 

 

 

 

 

..'

'S.l..E.

0x0000: 0800 2704 ed15 0800 2753 806c 0800 4500

0x0010:

0054 7cc1 4000

4001

3a53

c0a8 0124 c0a8

.T|.@.@.:S

...$..

0x0020:

0120

0800

e596

07d3

0011

c5e6 c05c 0000

................n

 

\..

0x0030:

0000 c46e 0100

0000

0000

1011 1213 1415

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:24.602092 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 18,

length 64

0800 2704 ed15

0800 2753 806c 0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054 7d86 4000

4001 398e c0a8 0124 c0a8

.T}.@.@.9

....$..

0x0020:

0120

0800

ad35

07d3

0012

c6e6 c05c 0000

.....5.......

 

\..

0x0030:

0000 fbce 0100

0000

0000

1011 1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b

1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:25.625162 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 19, length 64

0x0000:

0800

2704

ed15

0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010:

0054 7e39 4000

4001 38db c0a8 0124 c0a8

.T~9@.@.8

....$..

0x0020:

0120

0800

8ed8

07d3

0013

c7e6 c05c 0000

................+

 

\..

0x0030:

0000 182b 0200

0000

0000

1011 1213 1415

 

!"#$%

0x0040:

1617

1819

1a1b

1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:26.648479 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 20, length 64

0x0000:

0800

2704

ed15 0800 2753 806c 0800 4500

..'.....

'S.l..E.

0x0010:

0054 7ee6 4000

4001

382e

c0a8 0124 c0a8

.T~.@.@.8

....$..

0x0020:

0120

0800

517a

07d3

0014

c8e6 c05c 0000

....Qz.......

 

\..

0x0030:

0000

5488

0200

0000

0000

1011 1213 1415

..T.............

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021 2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

67

 

 

01:44:27.672469 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 21,

length 64

0800

2704

ed15 0800

2753

806c

0800 4500

..'

'S.l..E.

0x0000:

0x0010:

0054

7f81

4000

4001

3793

c0a8 0124 c0a8

.T..

@ . @ .7

....$..

0x0020:

0120

0800

121a

07d3

0015

c9e6 c05c 0000

.............

 

\..

0x0030:

0000

92e7

0200

0000

0000

1011

1213 1415

................

 

!"#$%

0x0040:

1617

1819

1a1b 1c1d 1e1f 2021

2223 2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031

3233 3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

 

67

 

 

01:44:28.695201 IP 192.168.1.36 > 192.168.1.32: ICMP echo request, id 2003, seq 22, length 64

0x0000:

0800

2704

ed15

0800

2753 806c 0800

4500

..'.....

'S.l..E.

0x0010:

0054

8000

4000

4001

3714

c0a8 0124

c0a8

.T..

@.@.7....

$..

0x0020:

0120

0800

ffbd

07d3

0016 cae6 c05c

0000

................B

 

\..

0x0030:

0000 a342 0300

0000

0000

1011 1213

1415

............

!"#$%

0x0040:

1617

1819

1a1b

1c1d

1e1f 2021 2223

2425

...........

 

0x0050:

2627

2829

2a2b 2c2d 2e2f 3031 3233

3435

&'()*+,-./012345

0x0060:

3637

 

 

 

 

 

 

67

 

 

01:44:29.719073 IP 192.168.1.36 > 192.168.1.32:

ICMP echo request