Open-source network packet analyzer

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460 views

Capturing Internet Connection Sharing (ICS) traffic using Fiddler

Does anyone have any idea how to capture HTTP traffic that goes through my ICS connection? Full details: I have a PC connected to internet via Ethernet. PC has set up a Wifi Hotspot using Internet ...
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2k views

Having trouble Getting “RTSP over HTTP”

There is an axis camera that is connected to our site (camba.tv) through axis one click connection component (which acts as proxy). We can communicate with this camera only through http by setting the ...
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1k views

tcp port numbers reused on wireshark

I used raw socket to build a tcp client program on machine A to reproduce tcp 3-way handshake with a simple regular tcp server on machine B I captured packets on the client host and server host, and ...
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358 views

Decode SSL packets in WireShark

I have cert.cer, base64 x509 and a Wireshark dump in .pcap format. The packets are encoded, so how do I decode them? Now: [site-ip],443,http,xe.cer but it's still not working.
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452 views

Wireshark vs Netmon for precise time tagging

I'm using Wireshark to time tag and get some statistics on multicast traffic. When there is not much traffic, the stats looks good, but as soon as there is a bunch of packets arriving at the same ...
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26 views

Why does a radio stream not appear on a packet monitoring tool?

I am currently trying to find the URL to the audio stream for a webradio that only provides a flash player, that I would like to use with MusicBee's radio player. After using Wireshark to monitor my ...
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92 views

How to use Charles as proxy to decrypt HTTPS messages in Wireshark?

I know I can view decrypted HTTPS data directly in Charles. But I want to view lower level SSL messages in Wireshark. So I setup Charles as the SSL proxy, using my own certificate, and I setup SSL ...
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47 views

How to split pcap files maintaining tcp sessions

I have a pcap file which contains tcp traces. I was wondering if there's a way to split these traces in order to maintain tcp flows, but also filtering the traffic on a src ip basis. For example, if ...
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159 views

Capture network traffic between VM's Virtualbox using Wireshark

I'm trying to capture all network traffic between VMs (and in the VMs to themselves) running on a single host using Virtualbox for the VMs and Wireshark for the capturing. VMs are Ubuntu 14.04 and the ...
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20 views

Route network traffic back to the same wire

I would like to monitor outgoing traffic from my wi-fi connected phone using Wireshark on my Windows desktop. I changed default gateway on the phone to the IP of the desktop and Wireshark can now see ...
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283 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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152 views

RST, ACK from 216.98.48.133 without any SYN from me? For real? How? Why?

I am trying to figure out why I always get "The Ubisoft server is not available at the time. Please try again later." Apparently, the server is actually up and running, so it seems the problem is on ...
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107 views

mergecap fails to create output file when run from crontab

I have created a script to merge pcap files using 'mergecap -w '. The script doesn't work as the output file is not already present. So I tried to use 'touch outputfile.pcap' before the mergecap ...
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24 views

Utility service that logs total network usage

I would like to know the total bandwidth our internet provider essentially provides to the many competing devices in our home. Is there a simple windows service that uses a wireshark like trick to log ...
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542 views

How to troubleshoot a VPN connection drop

I have a Windows 8 machine that won't connect to a work VPN (other machines configured the same* way work fine). The IT dept at work says the attempt never shows up in the logs. On my computer, it ...
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262 views

What happens when Capturing USB Packets using Wireshark

I am trying to capture the packets sent by a Mouse to a host PC using Wireshark. Operating System - Ubuntu 12.04 Wireshark - 1.8.2 Problem 1.) Before I plug in the USB Mouse, when I start the ...
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609 views

Synergy choppiness: Is my wireless router delaying packets after silent period?

I am sharing keyboard and mouse between my Linux desktop and MacBook Air using Synergy. There is a very noticeable lag every time I begin moving my mouse (or start typing), but everything becomes ...
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307 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 ...
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2 views

How to find 802.11 protocol variant, and decipher packet_payload_info in PcapNG files?

I'm building a (Python) parser of PcapNG files created by Wireshark. After reading https://www.winpcap.org/ntar/draft/PCAP-DumpFileFormat.html, I'm having the following problems: I'd like to ...
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10 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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13 views

How is the FID generated for a SMB “Create AndX Request?”

I see in the traces while accessing a network share, there are multiple CreateAndX requests (which opens the folders) with an FID associated with them. However, some of them don’t and they get a ...
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15 views

VirtualBox Network confusion?

I'm trying to adjust my VirtualBox guest network in order for my guest O/S traffic look like its coming from my Host. Can I do this with NAT? Here's a simpler outlook on what I am trying to achieve ...
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10 views

Wireshark capture SSL only

I would like to capture SSL or HTTPS traffic only in Wireshark, this is not something that can be filtered after due to the length of the time I would be recording the data after and the size of the ...
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80 views

Whatsapp traffic analyzed by WireShark

how to know info about the person I chat with in the Whatsapp by analyzing traffic got by WireShark Software where is he located at the moment of chatting. regards, Samad
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25 views

Do not fragment bit and windows 7

Recently had an issue where the DF bit was set to 1 going from a W7 workstation to the update server, the issue is it was sending 32K of data when the MTU was set to 1500. When the packet hits the NIC ...
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45 views

init-p01md.apple.com/bag - iMessage?

I have a question about Apple network traffic. In my network program I can see these three domains (GET) http://init-01md.apple.com/bag http://init.ess.apple.com/WebObjects/VCInit.woa/wa/getBag?ix=1 ...
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48 views

Random TCP RST packets interrupting connection over IPv6

I recently got a new router and ever since then google sites have been loading really slow and so I contacted my ISP...after running in circles with them for a bit they said it was a problem between ...
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15 views

Frame logging of third party hardware on my router (specifically smart TV)

After reading recently about so-called smart TVs "listening" to sound in a person's home, and transmitting this recorded sound across the internet for speech-to-text translation, I have become curious ...
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17 views

Can I use a Windows 7 Computer as a Bridge and Sniff Traffic

Sorry if this has been asked before, but I've been searching for quite a while. My question is simple - can I use a Windows 7 computer as a bridge, and run WireShark to capture all of the packets at ...
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15 views

WLAN topology: does it work like a bus?

Does wifi work as a star network with a switch or does it work like a bus ? To be more precise, if I am in promiscuous mode, do I only see my traffic and broadcasted messages or do I get every packet ...
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43 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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47 views

Why does lldpctl show no neighbors on standalone Ubuntu system?

I have installed sudo apt-get install lldp in two different ubuntu system and in both system I have set (/etc/default/lldp) DAEMON_ARGS="-x -c -s -e -l" I have check in wireshark also transmitted ...
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59 views

Windows7 LIVE CD with winpcap

Is it possible to create a LiveCD of windows 7 with winpcap installed for wireshark. I already tried with winbuilder 0.82 but there is no working script for winpcap and since it is not a portable app ...
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37 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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75 views

packet sniffing 3ds

I am trying to packet sniff my 3DS just to see what information is available. With Wireshark I noticed that I can only capture traffic which communicates with my computer directly, and not any device ...
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314 views

How to change mode of an airmon-ng created interface(mon0) from managed to monitor?

I am connecting to a home router using wifi. The detais of my wireless cards are as follows: #lspci 01:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) #lspci -vv ...
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26 views

Wireshark dont work after install VirtualBox

I have the following problem whit Wireshark. I function normally until I installed Oracle VM VirtualBox, after installation of said program to me at the start Wireshark occur following problem: "No ...
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29 views

Eliminating extraneous network traffic

If I wanted to get the best performance (high data rate, low latency) out of an isolated gigabit ethernet LAN (N.B. NOT connected to the internet) I would assume this would occur when there was no ...
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92 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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23 views

Mergecap multithread

I need to merge a lot of pcap files into one. I ran the command "mergecap *.pcap -w outputFile" , and it actually merges the files, but it's really slow. I was wondering if there's a way to launch a ...
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86 views

UPnP Discover can't captured by Wireshark

According to the UPnP standard, the UPnP discover packet should send to 239.255.255.250:1900. However, when my program send to 239.255.255.250:1900, the wireshark can't captured the packet. When my ...
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39 views

Can network sniffing in promisc mode on a network bridge produce “false” TCP retransmissions?

I have a Wireshark log from a computer that was running Ubuntu and tshark. The computer has two NICs and I've connected them to a bridge (using /etc/network/interfaces) and gave that bridge a static ...
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81 views

Kerberos authentication failure: “SAM Active Directory Response - user unknown”

Everyone on our network is currently unable to access shared resources on our file server (SBS 2003 server with Windows 7 & XP workstations). A Wireshark packet capture revealed the following ...
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40 views

Wireshark doesn't capture successful pings towards me

So I disabled WAN blocking of my modem/router, I allowed ICMP in inbound and outbound firewall options, and I am capturing icmp filtered packets in Wireshark. It captures all pings I made, but: It ...
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34 views

Filter for Wireshark to show amount of downloaded data from a specific host

Need to check amount of downloaded data from some address when there are connection issues. Such issues are emulated with clumsy (http://jagt.github.io/clumsy/index.html). All packets that are ...
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92 views

Verify python request with wireshark or proxy HTTPS

I am working on a scraper, that is scraping data using python requests package. The website has a secured connection (https). I managed to get over the login part, over the search part, and now I have ...
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39 views

Wireshark - Cannot find any Content Encoding header

I am using Wireshark in order to investigate some websites. After the site finishes loading, I checked on Wireshark with the filter "http.content-encoding" and cannot see any frame containing that ...
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104 views

Wireshark does not pick up outbound traffic

I have a bit of 'n problem at a client. We are running a WCF Client/Server application, and for some reason when one of the users try to connect to the server, he gets a timeout, but the second time ...
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76 views

Ettercap and Wireshark broken when not logged in as root

I'm having an issue with Kali Linux (v.1.0.8-amd64) where network sniffing programs such as the aforementioned are not displaying my network interfaces, thus not allowing me to use them. This only ...
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97 views

Force Wireshark to decode part of Data as another protocol

I have some traffic samples where the Layer 2 is PPP and the next protocol field value is 0x0281, which indicates MPLS Unicast. There are 4 bytes following this PPP header before I see the IP header. ...