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Questions tagged [packet-sniffer]

Sniffer is another word for packet analyzer

A sniffer, or packet analyzer, is a tool that intercepts data-packets from networks (ehternet,wireless,...).

A very known packet sniffer is wireshark.

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Port Sniffing - Is it possible?

Is it possible to sniff a specific port on an ip address? If so is there any software available for that?
eavar
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Taking tcpdump of data transmitting through tunnel

I have a service provider, who provides connection to his SMPP server only through a VPN. We setup a tunnel to connect to his VPN. Now there are some issues with the connectivity and I need to check the tcpdump. But I am not able to do so. I…
dilettante_aficionado
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Analyzing HTTP traffic

I am trying to solve the problem for a while and i couldn't find a proper answer online. I have a file with mobile traffic (from an Android device) and I am trying to check whether an http request is sent from the browser or from a mobile app (for…
kobibo
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Packet Sniffer to dynamically create iptables rules

On a router running unix I wish to make monitor all outgoing packets, of these packets I want to temporarily white list IP addresses I am connecting to, to both send and receive. Basically to create a pinhole in a firewall that normally would drop…
user134840
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In the output of Chaosreader, where are the source and destination port numbers and IP addresses for each packet?

I used this tutorial to use Chaosreader on an output file of WinDump. My purpose was to get the HTTP payload, which I got. But I'd also like to extract other information, like source IP and destination IP, source port and destination port, for each…
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PCAP filter for first few packets, and packets related to disconnection, TCP-only

I'd like to use tcpdump with a filter for some long-running debugging. Specifically, I only want to capture packets with the following conditions: First 10 packets or so of a new TCP connection (including handshake) Anything odd (retransmissions,…
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Best way to live edit packets from another computer

I'd like to study some MMORPG's protocols (I am a game programmer), but they all use "hackshielding software" that disallow me to do much from the computer they are running. I want to know how I could make my computer's connection route through…
n2liquid
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Port Mirroring on Wireless router

I will be going on site to help hotel manager to identify who is using P2P (torrents) in hotel and abusing network usage for other guests. Easy option would be 1. Port Mirroring on wireless router and Wireshark analysis. Hard one 2. Man in the…
Matas Vaitkevicius
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How to monitor if someone is using wireshark in my corporate network

I would like to know if it's possible to monitor if any users are using a network sniffer like Wireshark in my corporate network?.
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Analyzing twitter packets

Thanks for your time. I'd like to find a way if a client has made a 'GET' or a 'POST' request for twitter. We are currently doing an educational project and we wanted to understand how we can achieve this. Setup: We are using Wireshark for Sniffing…
Dark Knight
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Is there some free remote sniffer (aka sniffer on free remote server)?

I have this setup: ________Company LAN_______ _________ . '| _________ | | .| BUNCH OF | | | Server1 |--> . | SECURITY …
Pithikos
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Port Mirroring to Mac Thunderbolt Ethernet

I have a switch with port mirroring enabled. So one port is the source port, and the other is the mirror port. In the source port, I have a wifi router plugged in. The mirror port is connected to my Mac using an Ethernet/Thunderbolt adapter. I'd…
Steve
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Firewall/Packet Sniffer - forward HTTP requests to a different address

I have a particularly "hacky" question/solution and looking for some honest feedback. In an enterprise system there are a number of requests that are destined for www.sometargeturl.com. These need to be diverted to www.newdestination.com. Edit:…
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View historical data per IP with PRTG packet sniffer

I have recently set up PRTG's packet sniffer sensor for bandwidth monitoring. I am able to pull up historical data in 15 minute increments and see who was the highest user but I would like to see which IP was the highest user over, say, 48 hours.…
Jason
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How to sniff all HTTP packets on a wifi network?

I need to sniff all HTTP packets that pass through my wifi network (in particular HTTP requests by my smartphone). I've tried with wireshark, but I can sniff only packets to and from my pc. What am I doing wrong?
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