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Questions tagged [packet-analyzer]

42 questions
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l7-filter does not set markers

I install l7-filter userspace on ubuntu 12.04 and run it by this command: sudo l7-filter -f /etc/l7.conf -q 1 but l7-filter does not set any markers. I set iptables to send forwarding packet to queue 1: sudo iptables -A FORWARD -j NFQUEUE…
amir
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Early tear down of communication

I have an application which performs an LDAP search which works in one domain but not in the other, when analyzing the packets sent between the application server and the domain controller being queried on the non working domain I only see the hand…
user3129787
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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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iperf udp sequence number wireshark

I'm using iperf for generating udp traffic and my objective is to measure paquet loss. I wanted to know if the first 4 Bytes of Iperf Data are currently the sequence number.
progloverfan
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Hadoop - On the Wire Performance Monitoring?

I have been tasked with implementing an 'on the wire' monitoring solution for a large Hadoop installation. The source of data will be a combination of taps and SPANs throughout the environment. My team's usual charter is one of packet analysis and…
user212869
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Using tshark to generate traffic logs every X seconds

I'm trying to use tshark to maintain a running history of all the packets that are going through an interface, for say 30 seconds. I want it to be human readable. This is a linux machine, and without mucking too much into the netstack source (which…
Sridhar Iyer
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How can I read a packet capture file from a Cisco RV 120W?

What program should I use? (the file is generated on RV 120W under Diagnostics section)
700 Software
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Identifying VoIP Users

I'm looking for a way to identify as many consumer VoIP users on my ISP network as possible using packet analysis. My setup is like this: On my core switch, all traffic going in and out of gigabit1 is SPAN'd to gigabit2, where I have a linux server…
Cory J
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Identify Executable Creating Network Traffic

I've got some application on my Windows XP machine that is generating an HTTP request to aaronsw.com every half hour. We've trapped the packets in wireshark, but wireshark doesn't tell what application generated the packets. Is there any utility…
jeffspost
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Can a server determine if the client is on LAN or WLAN?

I’d like to restrict the access to my server to clients who connect to their home router by LAN rather than WLAN. Is this at all possible, e.g. by examining packets? Further information: I’m concerned about timing rather than security. The server…
pianojoe
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Tell me which ports have been used during a period of time

I've been struggling with a server provider while trying to mount a few services for my company, this because they have an strict Firewall policy which denies all non-allowed IN/OUT internet access, this would be nothing (in fact could be great) if…
Hacktivista
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How do I get statistics on HTTP traffic from Wireshark?

I have captured traffic with dumpcap and filtered http only with Wireshark. I want to see statistics about that http traffic. For example: requests grouped by method and URL, ordered by number of occurrences, etc. Then, I would like to graph the…
Wojtek
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