practical packet analysis using wireshark to solve real world network problems phần 8 ppt
practical packet analysis using wireshark to solve real world network problems phần 8 ppt
...
to a routing problem.
Packet 1:
Packet 2:
106 Chapter 8
Applying our newfound knowledge of TTL to our current situation, we
can immediately see a problem with the first packet sent. This packet ... workstation to
monopolize all of the company’s Internet traffic.
This case reminds us that when doing analysis, it is common to want to use
some of the more advanced featu...
practical packet analysis using wireshark to solve real world network problems phần 3 ppt
... First Packet Capture
In order to get packet data into Wireshark, you’ll perform your first packet
capture. You may be thinking, “How am I going to capture packets when
nothing is wrong on the network? ” ... understanding of
packet sniffer placement in a variety of different network topologies. We
will look at various real- world network setups as we determine the best...
practical packet analysis using wireshark to solve real world network problems phần 6 ppt
... that the first
packet in the capture file is your standard Echo (ping) request packet (also known
as an ICMP type 8 packet) from 10.2.10.2 to 10.4 .88 .88 , as shown in Figure 7-5.
To verify this, ...
in response to your ping.
80 Chapter 7
Figure 7-5: A standard ping request from 10.2.10.2 to 10.4 .88 .88
Examining packet 2 in Figure 7-6, you can see that it too is not a...
practical packet analysis using wireshark to solve real world network problems phần 1 doc
... Explorer 86
What We Know 86
Tapping into the Wire 86
Analysis 87
Summary 88
Inbound FTP 88
What We Know 88
Tapping into the Wire 88
Analysis 88
Summary 90
PRACTICAL PACKET
ANALYSIS
Using Wireshark to ... to show you how
to use it in real- world scenarios. Practical Packet Analysis
shows you how to:
• Use packet analysis to tackle common n...
practical packet analysis using wireshark to solve real world network problems phần 2 docx
... 2 08
10.100.1.1
10.100.1.100
192.1 68. 0.1
192.1 68. 0.2
192.1 68. 0.3
192.1 68. 0.4
192.1 68. 0.5
192.1 68. 0.6
192.1 68. 0.7
192.1 68. 0 .8
192.1 68. 0.9
10.100.1.150
192.1 68. 0.50
192.1 68. 0.51
192.1 68. 0.52
192.1 68. 0.53
192.1 68. 0.54
192.1 68. 0.55
192.1 68. 0.56
192.1 68. 0.57
192.1 68. 0. 58
Packet Analysis ... the packet level, the more we can control our network and...
practical packet analysis using wireshark to solve real world network problems phần 4 docx
... the Packet List pane and choose Mark
Packet from the pop-up. Or, single click a packet in the Packet List pane and
press
CTRL-M to mark it. To unmark a packet, toggle this setting off using ... only marked packets
when saving packet captures.) There are several reasons you may want to
mark a packet, including being able to save those packets separately, or to
be a...
practical packet analysis using wireshark to solve real world network problems phần 5 doc
... and the Wireshark program. In order for a
protocol to be supported by Wireshark, it must have a dissector built into it.
Wireshark uses several dissectors in unison to interpret each packet. ... want to forgo the name resolution feature in order to conserve
system resources.
Protocol Dissection
A protocol dissector allows Wireshark to break down a protocol (ICMP, for
exa...
practical packet analysis using wireshark to solve real world network problems phần 7 pdf
... with Wireshark, packet
analysis, and network troubleshooting in general. The rest of the book will
be written in much the same format but will focus on different areas of real-
world packet analysis.
100 ... section of the Packet Details pane.
The difference is that the time -to- live value in these packets is set to one,
as shown in Figure 8- 9.
Figure 8- 9: This ping...
practical packet analysis using wireshark to solve real world network problems phần 9 potx
... music!
Security-based Analysis 131
Tapping into the Wire
Some hackers want to capture the passwords of network administrators to gain
administrative access to a network. Others simply want to bring a network to ... Client
(Monitoring)
Monitor Mode
126 Chapter 9
Figure 9-7: Packet 10 shows an attempt to log in to the admin
account.
This is a great opportunity to use...
practical packet analysis using wireshark to solve real world network problems phần 10 doc
... scenarios. Practical Packet Analysis
shows you how to:
• Use packet analysis to tackle common network
problems, such as loss of connectivity, slow networks,
malware infections, and more
• Build customized ... those packets once you’ve captured them? And
how can those packets help you to better understand
what’s going on under the hood of your network?
Practical Pack...
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