Open-source network packet analyzer

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10 views

Monitoring physical network traffic with a VM

How can I monitor the physical network's traffic through a virtual machine (VMWare or Virtual Box)? I'm running Wireshark in a Linux VM and I would like to monitor all the network traffic. However ...
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1answer
96 views

How can I get the actual TCP sequence number in Wireshark?

In Wireshark, TCP sequence numbers are displayed as relative sequence numbers by default. How can I get the actual TCP sequence number?
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1answer
37 views

Can Wireless Sniffers capture and read your data with and without being connected to the WLAN?

Can some neighbor with his laptop capture the wireless traffic packets which I send and receive from my router, if he is not connected to my WLAN? Can someone connected to my WLAN and without access ...
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1answer
11 views

http.host filter for tshark capturing

I would like to capture traffic to a specific domain name. I tried the following wireshark filter http.host == 'example.com' It works, but after a few hours the temp data gets very large, so I ...
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14 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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18 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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1answer
30 views

Kerberos failure emergency: need to filter a Wireshark capture to show only Kerberos and SPNEGO traffic

I am attempting to troubleshoot a serious Kerberos authentication problem on our SBS 2003 domain (none of our Windows 7 or XP workstations can authenticate). We have logged failed Kerberos ...
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1answer
52 views

Can anyone interpret the data in this UDP packet?

I have been receiving large amounts of traffic to my computer recently so I downloaded and ran wireshark to find out I have been receiving lots of UDP packets. All of the packets I have received are ...
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2answers
57 views

How do capture filters in Wireshark work internally?

I am wondering exactly what happens internally in TShark when I use a capture filter. Specifically, let's say I have the following filter to capture multicast data: host 224.0.26.3 && port ...
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23 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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25 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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1answer
44 views

Unable to build wireshark in the centOS 5.3

I downloaded the source code from the wireshar.org and tried to build it but I am facing the problem in compiling it. Following is the error I am getting during configure (./configure) checking for ...
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42 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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21 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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43 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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38 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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1answer
47 views

Need help understanding network interfaces on my machine

I do not understand why wireshark and the device list on my computer do not show the same set of network interfaces. Also, I am not even sure what some of the interfaces are. Here are the reports: ...
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1answer
105 views

Provide Session Master Key to Wireshark UI?

I'm working on an issue with HTTPS. I suspect its related to client certificates. I want to read some of the encrypted handshake messages that follows the ServerHelloDone message. (Once the ...
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1answer
24 views

Is there any way to determine if the router is forwarding WoL packet to the NIC card while the computer is turned off?

I am having hard time figuring out whether the problem is with the router not forwarding the packets to the NIC OR the problem is the NIC not waking the PC or other hidden settings that are preventing ...
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1answer
24 views

Explanation of port protocols in Wireshark?

When using Wireshark you can display the packets with just the plain number of the port, or with a "transport layer name resolution" (via the View/Name Resolution menu, for example). Unfortunately, ...
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43 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. ...
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2answers
154 views

How can I tell if Wireshark has sucessfully decrypted a capture

I have used Microsoft Network Monitor 3.4 in Windows 7 to create a capture file from my wireless g network by setting monitor mode. When loaded into Wireshark I can see the four way handshake and I ...
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1answer
147 views

Promiscuous mode implies Monitor Mode compatibility?

I mean, I just want to put my wireless card interface into promiscuous mode to scan my wireless network I'm connected to. Do I necessarily need a monitor mode wifi card compatible? Should I ...
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20 views

How to get packets for a specific access point

I have Wireshark and Aircrack-ng and whenever I capture packets I don't know how to capture packets for a specific network (the network is "2WIRE207"). I need to do this so I can use Aircrack-ng.
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83 views

cannot capture packets on wireshark without internet

I am using Wireshark on my Windows 8.1 Pro 32-bit pa and whenever I start Wireshark without internet, it can't capture ant packets. But when I am connected to the internet, it captures packets form ...
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201 views

Can't install wireshark on Debian Linux

I'm trying to install Wireshark on Debian (Debian 3.2.51-1) but i'm getting this error: apt-get install wireshark Reading package lists... Done Building dependency tree Reading state ...
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30 views

Drop network packages

I'm seeing a lot more protocols in the wireshark capture in my university network than in my home network and the connection is incredibly bad at the university (> 2 Min. to get an IP address from ...
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37 views

cannot listen to interfaces without root privilege

for certain reason, I wanted to capture traffic without being root. Setup: Host: Ubuntu 3.11.0 Guest Ubuntu 3.13.0 Wireshark in Guest:1.10.8 I have done this trying to enable capturing without ...
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1answer
29 views

Filtering for IPs that send a packets of a certain length

I'm trying to find all the IP addresses that netflix uses to deliver content, as the lists I've found online do not include many of the servers that I've observed sending content. Is there any way in ...
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1answer
259 views

Remote Packet Capture using Wireshark

Well The scenario is that I have a Windows machine(at home) and a Linux box running headless Ubuntu server(without GUI) on a remote location. I got Wireshark installed on my windows machine, and ...
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1answer
327 views

Websocket handshake response not forwarded from TCP to client

I am trying to create a websocket server. I can see the websocket client's opening handhshake. My response to it is received by the client laptop (I can see this on wireshark). So the TCP connection ...
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3answers
105 views

Is there a free program that can detect which device on my network is causing lag? [closed]

I'm on a small business network, and rarely we experience really extreme latency. I have no idea what device might be causing the lag, and wanted to know if there was a piece of software that could ...
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155 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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584 views

WinPcap/Wireshark install: where is packet.dll?

I have Wireshark installed, and I'm getting this error: The NPF driver isn't running. You may have trouble capturing or listing interfaces. I realize this is something to do with WinPcap. It's ...
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2answers
119 views

Tshark is displaying “florence” and “eforward” rather than source/destination port numbers

I am running rawcap on windows7 loopback adapter. I have run telnet localhost 2181 15 Packets were generated. In order to view the output I ran wireshark\tshark -r \shared\pcap.pcap And here ...
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2answers
116 views

One arp request for two different pings

I pinged google and yahoo and captured the packets using wireshark and found that there was only one arp request for both of them. Can anyone explain why there is only one arp request for the two ...
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22 views

File storage system with metadata-search [duplicate]

I've many files (pcap) and want to tag them with different attributes like frames, protocol-type and so on. example: file1.pcap (frames: 200, type: ip) file2.pcap (frames: 130, type: sercos) ...
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13 views

Multiple Packets info are clumping together in a single line while taking wireshark traces

I am facing a problem with Wireshark traces wherein the info from multiple packets is clumped in a single line (i.e. in single line multiple packets are displaying instead of each single packet being ...
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2answers
532 views

Using Wireshark to track traffic on a Windows Virtual WiFi Miniport

I have a Microsoft Virtual WiFi Miniport set up on my laptop with an Android phone connected to it. The laptop is then connected to the outside world through a wired connection. I would like to ...
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2answers
364 views

How to capture 802.1X EAPOL packets in windows 7?

I want to capture 802.11 EAPOL packets on windows 7,however,i fail to capture any EAPOL packet use wireshark.What tools can i use to capture the EAPOL packet? my environment is windows 7,wireshark ...
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1answer
99 views

tcp retransmission on lan, wifi is fine

I have a Dell XPS 17 laptop (about 5 years old) running Windows 7 and a Synology RS412 NAS. I also have various other networked devices (servers, routers, laptops, pcs). Some are in my domain, some ...
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2answers
453 views

Real-time loopback interface packet capture on Windows with RawCap, Wireshark, and some pipe utility

After stumbling across another Super User post about loopback packet capture on Windows, I was directed to RawCap, a utility that provides pseudo-capture of loopback packets. RawCap writes to libpcap ...
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1answer
241 views

Problems using tshark sniffing TLS encrypted traffic with .pem key

I am having problems decrypting TLS encrypted syslog-ng packets in a honeynet using tshark (command line Wireshark). The goal is to be able to intercept the packets going from the honeypots to a ...
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1answer
156 views

Show only HTTP traffic in Wireshark

How can I filter out traffic that is not HTTP in Wireshark, so that it shows me only HTTP traffic, but not, TCP, DNS, SSDP, etc.
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389 views

change gtk-based wireshark to qt based one in homebrew

I have install wireshark on OSX using homebrew: brew install wireshark --with-gtk+ However, now I want a qt-based version, and I am supposed to do brew install wireshark --qt There is doubt homebrew ...
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1answer
927 views

.exe file (specifically Wireshark) will not launch anymore on Windows 8.1

I use Wireshark x64 daily in my work. Suddenly today, it refuses to open. When I doubleclick a pcap (or pcapng) file, Windows tells me the file I tried to click was not found. When I try to start ...
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2answers
895 views

Wireshark only capturing beacon frames

I am trying to sniff my own network to capture http traffic. On airodump my network security show "WPA - TKIP - PSK", so I went to Wireshark > Edit > Preferences > Protocols > IEEE 802.11 > Enabled ...
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41 views

Unable to intercept data intended for gateway by using ARP

I am having trouble with what seems to be a very simple problem. I manage to be able to successfully spoof the ARP table of one computer on my network (as reported by arp -a). But even enabling a ...
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107 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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1answer
54 views

How to sniff download information of different pc's on a network(router) [closed]

I am making a Log Analyzer for downloads on a network by different users. So I want to know who downloaded what in the same network (WLAN). How can I sniff this information from other users of the ...