Sniffing is the act of passively collecting all network traffic that a machine hears, whether or not it is addressed to that machine. Commonly performed for network diagnostics, programming debugging and troubleshooting, and security analysis.

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Relay/forward captured packtes

Fellow members, Got a small question, How can one relay/forward the packet captured on unix/linux machine to a network device using ftp/tftp/any other mechanism. I've got a wireless network ...
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211 views

How to view other lan users packets via wireshark

It seems that I can only view my own packets, how to view other lan users packets via wireshark?
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979 views

how to find tcp streams without final ack/fin sequence in a huge packet capture file

I have a huge pcap file which contains a large number of individual tcp streams.But out of these , there are some invalid streams which dont have the final fin/ack sequence. Is there any way i can ...
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32 views

What does this hex value mean in source column within NETMON?

I am using NETMON to try and figure out why my local network is running so slow. I think it may be related to a system logged into it, but in order to not draw attention to my task i have been ...
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1answer
3k views

Sniffing the Router for Packets

I have used WireShark software to sniff my Network Interface. What if i wanted to sniff the router that what other computers on the network are doing? Is there any way to do that? Computers are ...
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1answer
107 views

How to detect TOR usage with Wireshark?

I use TOR inside a Virtual Machine. I run Wireshark on my Host. I want to detect TOR usage (for learning/studying) with Wireshark but don't know how. I've tried this: ...
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1answer
85 views

Quick and easy setup for Packet Sniffing/Network Collection

I'm doing some research right now where I want to monitor a group of individuals uses of the web (with permission, of course). I'm looking for the cheapest, and easiest way to collect network ...
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1answer
120 views

How do I put my wireless interface back into managed mode from monitor mode in Mac OS X without rebooting?

On Mac OS X, I can turn my wireless interface in monitor mode, as explained in a 2007 OSXdaily article. I can also use the integrated Wireless Diagnostics utility to do so. Unfortunately, none of ...
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1answer
129 views

WiFi connection lags from time to time

My home LAN connection lags from time to time (approx once a minute). This is noticeable by temporary pauses of continuos operations like file copying, RDP working and video playback with small ...
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1answer
29 views

Is there a way to limit number of packet captures with tcpflow?

I want to limit the number of captured packets, such as: tcpdump -c 20 I want to use tcpflow instead. Is this possible? The console throws a syntax error using tcpflow with the -c parameter. edit - ...
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1answer
147 views

how to see the communication between client and server (string form)

I have a client-server application. The problem is the server is not able to support as many client as being mentioned in the specs or as being claimed by the provider. What i am trying to is to ...
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1answer
83 views

Need a creditable source on specifics of Promiscuous and Monitor WNIC modes?

Having searched a great deal of websites to find an explicit statement about the specifics of Promiscuous and Monitor mode as used in WNICs, I finally found this in Spiff's answer to: Wireless Card ...
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1answer
457 views

HDI: Capture specific content types in wireshark?

I've been tasked to audit in/outbound traffic at our site, but I don't know much about Wireshark. I understand how to set up a capture filter for broad protocols (IP only or tcp, udp, icmp, etc), but ...
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704 views

Network packet editor for Linux?

Anyone know network packet editor for Linux, or a way to modify network packets in wireshark?
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1answer
38 views

Modify a packet's content on DD-WRT

I need to modify incoming data to my network. Specifically, I want to modify all responses from a specific internet site so it doesn't show a certain HTML element. Is this possible with ...
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1answer
542 views

Looking for a simple home network analyzer for Windows/OS X

My home wireless network has gotten horribly slow and I'd like to figure out which of the various computers connected (and ideally what program on that machine) is eating up all of the bandwidth. Is ...
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0answers
27 views

why cannot I filter traffic using TCPDUMP while sniffing on wireless interface

I've 2 wireless interfaces one has the type of AP and the other has the type monitor. the AP is attached to a bridge br-lan. When I run for example: tcpdump port 5201 -s 0 -ni wlan0 TCPdump is ...
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114 views

What might be causing specific IPv6 HTTPS servers to send an excessive number of RST packets?

Client browsers on my IPv6-enabled home network hang and time out when attempting to load https:// URLs from specific IPv6 sites, such as ones operated by CloudFlare. In those situations, the live log ...
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77 views

Sniffing Application Network Traffic on Windows

I have an application running on my computer which communicates with a server over Windows-VPN. I would like to sniff the traffic between that app and the server but Wireshark f.x. will only show me ...
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294 views

how to sniff from a TP-Link ADSL modem?

I have a PC and a tablet that connected to a TP-Link ADSL modem. PROBLEM: I want to see the packets that send and receive from my modem not my PC( to see both wire and wireless packets) I search ...
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395 views

How to get data from sniffed usb communication?

we are trying to get raw measurement data from one usb sensor as the control software is a black box and the manual does not contain anything about how it process the measurements. I was able to ...
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132 views

Sniffing content of web pages in a network - experiment

I want to sniff the web content. Don't worry, no vicious intentions, it is an experiment : ) So the scenario is: I have my host machine, and multiple guest virtual machines running on it. All VMs go ...
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366 views

SocketSniff equivalent for 64-bit applications

SocketSniff allows you to watch the Windows Sockets (WinSock) activity of the selected process. On x64 version of Windows, SocketSniff can only work with 32-bit programs. Is there any SocketSniff ...
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77 views

COD4 Linux game server doesn't send UDP packets as response to broadcast

I am setting up a bunch of Game servers for a medium sized LAN tournament using CentOS 6 and the various Linux binaries used for the game servers. With COD4 the servers did not show up in the server ...
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26 views

Reading packets with Wireshark

How do I read packets captured with Wireshark. I was finally able to capture incoming and outgoing data in hopes of developing something along the lines of an IDS. Thanks in advance for the help. A ...
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16 views

Wireshark capture file: getting “missing packet” now, was not there 1 year ago

I captured data on a LAN. I then opened the pcap file with wireshark and could extract an email which was sent unencrypted on purpose. Means, I selected a package from the email and used "follow TCP ...
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9 views

Redirect outgoint traffic on port to incoming on other port

I would like to redirect packets that are send from localhost to some other port in network, to other port on localhost. Example: Application sends data to 145.125.130.20 port 3554. I would like to ...
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46 views

HTTP Sniffing using wireshark

I am using Wireshark on my Mac, which is running Yosemite. When I am sniffing the HTTP protocol, I can only see the HTTP/get and I cannot see the HTTP/OK.. Is there a way to enable this on my MAC? I ...
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126 views

Trying to use mdk3 with Alfa AWUS036NHA, wireshark detects frames but cannot detect network

I'm testing out some various tools, trying to get them to work, but I cannot seem to get the MDK3 beacon flooding mode to work. I'm currently running Debian with a few Kali repositories installed. I'm ...
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40 views

Wifi sniffing only outgoing packets

When I am setting my wifi card in monitor mode and disconnecting it from wifi I am able to sniff every packet coming in and out from my tablet (http requests and responses) but when I connect to ...
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114 views

Capturing 802.11n HT control on wireshark

1) Using wireshark 1.12.2 with kernel 3.8.0-44-generic I cannot see any HTC+ fields in my packets. Is this a dissector issue in wireshark or related to my wireless nic. I have tried on both an alfa ...
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115 views

Sniff non-HTTP packets from iOS device

I have an iOS app, which is really crappy, that work as a remote for my TV. I want to reverse engineer the API and build a web based control instead. I have used the BURP Suite to sniff the HTTP ...
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51 views

How to capture HTTP headers to particular url in my Ubuntu computer?

I am connecting a website and can see the hearders by firefox inspect tool. I like to do it from outside of the browser for particular url acceses. How can I do it in my Ubuntu computer?
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220 views

Actual Destination IP instead of Proxy's IP in traffic capture

I want to capture the network traffic of my host through wireshark and need to get the source and destination ip addresses from the packets. The problem I am facing is that I am behind Proxy Server ...