The wireshark tag has no wiki summary.
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1answer
53 views
How to set Wireshark to log ONLY DNS requests?
This works:
tethereal -i eth0 -w /root/mycapture.pcap
but it captures every packet. I only need to capture DNS requests. Is this possible? The server is Linux.
Other thing is: is it possible to ...
3
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3answers
152 views
Wireshark (Linux) captures only packet from and to my PC when in promiscuous mode
I've installed Wireshark and configured it to let my user run it with all needed privileges (I enabled dumpcap and added my user to wireshark group, then restarted).
Devices are shown and capture ...
1
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1answer
91 views
Filtering sniffed logs using Wireshark
I'm experimenting with packet sniffing and log examination using Wireshark, and I'm quickly realizing that I'm not nearly as safe as I should be when using public hot spots. In efforts to better ...
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1answer
66 views
What is fjappmgrbulk?
I captured a udp packet from wireshark which ones port is 2510 and destination ip is 81.64.155.202. What is that port for? I found this post) mentioning:
"it's for fjappmgrbulk, fjappmgrbulk ...
1
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1answer
96 views
Trying convert webserver certificate to PEM file for wireshark to monitor ssl traffic in HTTP format
I am trying to monitor https traffic as readable HTML.
I have downloaded the certificate from the server.
"In Internet Explorer, I selected the certificate and copy to file, DER encoded binary X.509 ...
3
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1answer
80 views
Vista DPI Scaling: Cannot disable DPI Scaling for Wireshark
I'm trying to disable dpi scaling for Wireshark, except Windows won't let me:
Yet i pick any other random executable in the folder, uninstall.exe for instance, i can do it fine:
What gives?
i ...
0
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1answer
28 views
WireShark: How do i use “Apply as filter”?
i'm seeing some packets in WireShark that i don't want to see:
No problem, right-click on SSDP and click
Apply as Filter
...and not Selected
Except i've never been able to get the Appy as ...
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0answers
98 views
Wireless sniffing to catch URL visited by user - Kismet
I am designing a software to record only the URL visited by students while giving exam. So I somehow need to know which IP is visiting which site.
I will have a list of all the IPs of students. I ...
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1answer
115 views
Wireshark sniffing “microsoft-ds [syn] seq=0..”
I'm new to wireshark. (installed it today)
I'm just looking at the traffic and noticed this kind of packages:
60261 microsoft-ds [syn] seq=0 Win=8192 Len=0 MSS=1460 SACK_PERM=1
its sent to ip: ...
3
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1answer
144 views
MTU is 1500, why the first fragment length is 1496 in IPv6?
ping6 ipv6Address -s 1500
This command will result a fragment. Observed by wireshark, the 1st fragment packet's length is 1496 (from layer 3). Since the MTU is 1500, I am confused by this 1496 ...
2
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1answer
293 views
Why do I keep seeing “Wireshark Cookie Dump Ok Cancel” in my input forms within Firefox?
I've recently installed Wireshark on my Macbook Pro. Since doing so, whenever I head over to http://jsfiddle.net, all of the input fields are pre-populated with
Wireshark Cookie Dump:
...
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3answers
118 views
Why do I have so many HTTP packets in Wireshark when I'm not doing anything?
Is it normal that I have huge amount of HTTP packets every second in Wireshark, even if I am not doing anything?
I would like to analyse some packets related to one website in particular, but how can ...
3
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2answers
144 views
My Mac trying to connect to a possible intruder's machine, that is not in the network anymore
I just asked a question I think someone else has access to my wireless network. What next?. I have changed wireless security to WPA2, changed the password, disabled file sharing etc as =suggested in ...
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2answers
65 views
Watching http in wireshark
Wireshark reassembles TCP Segments. For teaching purposes, I'd like to see the actual packets (not the reassembled TCP Segments) that flow on a network when you access a webpage.
Can I do that with ...
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3answers
258 views
How to test Bit Error Rates on Ethernet Networks?
I need a tool software or otherwise (preferably software) that will allow me to test Bit Error Rates on an Ethernet Network.
I am using a software tool that I did not write and do not have access to ...
0
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1answer
40 views
Wireshark filter for different interface
I know that before capturing packets, I can select specific interface.
I wonder is there any filter to distinguish different interfaces after I capture packets?
That is, at the beginning, I capture ...
2
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1answer
324 views
How to set up wireshark to run without root on Debian?
I'm trying to use wireshark on a Debian machine, but when I run it with my non-root user account, it doesn't detect any network interface.
I also tried running wireshark as root, but wireshark tells ...
2
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1answer
67 views
tcpdump filter for given bytes on given position
I'm searching for a way to filter traffic for specific bytes.
What I have is a stream that I capture with wireshark or tcpdump. Now it logs way too much, so I want to drop every packet that has 0x23 ...
2
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2answers
253 views
Unable to capture outgoing traffic with Wireshark on wi-fi network
I'm trying to use Wireshark on Backtrack 5 to capture packets that are transmitted through my home wi-fi network.
I'm perfectly able to capture outgoing traffic from localhost and, it seems, incoming ...
1
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1answer
377 views
Why do I see “The NPF driver isn't running. You may have trouble capturing or listing interfaces.” when starting Wireshark?
When I start up Wireshark, why do I see this message?
"The NPF driver isn't running. You may have trouble capturing or listing interfaces."
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2answers
183 views
tcpdump - just packet data
When using tcpdump, how can I print just the packet data?
For example (anonymized):
sudo tcpdump -X 'tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)'
...
6
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3answers
467 views
Chrome browser sending Keep-Alive packets?
I ran Wireshark on my PC and found that my chrome browser was sending LOTS of Keep-alive packets even when there are no sites loaded in the browser, and even when there are no extensions installed!! ...
1
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2answers
222 views
Networking packet sniffer for Linux that captures the application names?
I tried Wireshark. It shows the source and destination IP address, port number, and packet contents, but nothing about which application is using the packets.
Apparently tcpdump is similar; network ...
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1answer
261 views
How to wireshark traffic passing through my wifi AP
I know how to monitor the network interfaces on my local computer with wireshark. But how to monitor the traffic flowing through my wireless access point from connected computers?
It seems like this ...
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2answers
714 views
Wireshark cannot see traffic from a VirtualBox guest on Windows 7
I have been trying to use Wireshark to capture some traffic that comes from a virtual machine.
The setup is:
Windows 7 host
Ubuntu guest
VirtualBox 4
I send some packets from the guest to the ...
0
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2answers
313 views
Using nc (netcat) to emulate NTP server response
I want to test some security on an NTP client developed in-house and would like to use netcat to do it. I have packets captured with Wireshark from previous NTP exchanges that I tried to feed to the ...
2
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1answer
135 views
Linux alternative to Fiddler2 (different use! Not same question!)
I am aware that this question has been asked before; but my use for fiddler is completely different; Fiddler2 is my example.
In Fiddler2 I can download streams from websites; for example if I stream ...
1
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1answer
127 views
Network being flooded with TCP Junk
I've been using Wireshark to check out the traffic on my home network. Fairly recently, I started getting a bunch of junk generated constantly. I've been unable to find out the cause, as virus/spyware ...
1
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1answer
363 views
why still dns lookup when using proxy?
I've configured my browser(firefox) to use proxy ,but I find that it's still looking up the dns when I visit http://domain.name, why is that still necessary?
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57 views
is there any converter which can convert code written in wireshark to c/c++ or matlab? [closed]
please help me and guide me if u know about any converter which can convert wireshark into c/c++ or matlab...
Waiting for kind response...
regards..
kazmi
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1answer
204 views
VirtualBox and missing packets in wireshark
I've been using virtualbox for some time for development purposes.
Under the latest version of virtualbox 4.04 where Linux is the host, I'm noticing that I cannot see packets sent to the virtual ...
3
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1answer
534 views
How can I diff two network dumps from tcpdump or Wireshark?
I'm having a problem with one of our customers' embedded computers. They seem to discard some network packets which they should not. I can capture the TCP communication from a managed switch outside ...
1
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1answer
2k views
TCP segment of a reassembled PDU
In wireshark sometimes I see this:
478195 5738.896809 192.168.1.79 61.213.44.124 TCP [TCP segment of a reassembled PDU]
What is a PDU? Was it reassembled? What does this mean?
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1answer
173 views
How to find HTTP GETs in Wireshark
How can I use the filter in Wireshark to find only those lines that have HTTP GET in them?
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1answer
187 views
How to filter out information in Wireshark
I am not interested in any information about network activity from any address that starts with 192.168. How can I make Wireshark hide those?
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1answer
97 views
How to get information out of Wireshark
I need to make a program that makes use of information that Wireshark collects from the network. Is there a way to get that information from Wireshark and into the program?
0
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1answer
49 views
What is an application for “web site recognition”?
This explanation isn't clear to me.
Let me describe an application for web
site recognition. Suppose that we
want to know what everyone is doing
with the web at starbuck. We can use
...
0
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3answers
416 views
Wireshark can see outside of the virtual machine?
I'm running Windows in a VM inside of OSX. If I start Wireshark inside Windows, then a message from OSX pops up saying that Wireshark is trying to monitor all network traffic. If I accept, then ...
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2answers
108 views
Is this normal Wireshark behavior?
I'm running Wireshark in Windows inside a virtual machine. Wireshark keeps reporting network activity, even though I don't have anything running in there that's accessing the network.
2
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2answers
347 views
How do I trace HTTP packets with Wireshark?
What can I do in order to see packets that come from different sessions in a web page?
For example when I open yahoo.com there are different sessions in yahoo; I dont know how to see which packet is ...
0
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1answer
42 views
I need a 802.11 caputure of the full wpa authentcation process
I cant seem to get wireshark to work with my NIC to capture the raw 802.11 packets. I need just a screenshot, showing this exchange.
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1answer
673 views
How can I capture other computers traffic in Wireshark on a WiFi-network?
I run Wireshark on a MacBook Air and I also have a Android phone on the same WiFi-network. If I visit a website with the Android phone I can't see that DNS-traffic (or other traffic) in Wireshark on ...
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2answers
263 views
How to measure network traffic on a port
I am using fiddler to monitor what is going on. Though I cant see total traffic over time for a session.
Any tools that can do that easily
(If I could export the statistics to a spreadsheet from ...
1
vote
1answer
239 views
Using (embedding?) wireshark in a C application for sniffing
I'm writing a C/C++ application which needs (among other things) to sniff packets and save the output in a file. This file will be read and processed by wireshark after a few days, using a LUA script ...
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0answers
314 views
Need to know who is hogging my bandwidth? [closed]
Possible Duplicate:
On Mac OS X how can I monitor what is using my internet connection?
I have an ethernet connection to my iMac and with Internet sharing I am broadcasting the wireless ...
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2answers
384 views
Filtering non-local IP traffic with Wireshark
If I capture traffic through my wireless card, I get a ton of different kinds of packets showing up. I'd only like to see traffic that is destined for the internet, i.e., no network stuff that is ...
2
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1answer
148 views
Forwarding wifi traffic to wired pc
I'm trying to play around with Wireshark on my home network, and was wondering if there is a way to create a new connection on my PC that receives all wifi packets on the network. The PC is a wired ...
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0answers
137 views
Booting with nfs just prints some weird character
Problem
I have an embedded system which I am unable to boot via NFS using an Embedded Linux Kernel Image and rootfs both placed on my laptop (which serves as the NFS server as well as a TFTP ...
2
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3answers
3k views
promiscuous mode with Intel Centrino Advanced-N 6200 AGN wireless card
I'm trying to solve this problem for a long time, googling, reading and trying with no help.
I have laptop with Intel Centrino Advanced-N 6200 AGN wireless card which suppose to support promiscuous ...
3
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1answer
77 views
Interactive network sniffing
I'm looking for what essentially amounts to an "interactive" Wireshark.
I am looking for a tool that allows me to view network traffic on a given port and allow/deny/modify traffic on a per-packet ...
